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Подбор гиперпараметров RAG-системы с помощью Optuna

Как гласит народная мудрость: “Плох тот датасаентист, который не хочет свалить все на Optuna’у.

RAG-система это такой персональный карманный поисковик (а-ля Гугл или Яндекс), который может искать по локальным документам вашего кровавого энтерпрайза :)

Если чуть более по-научному: Retrieval Augmented Generation (RAG) — это технология, которая использует большие языковые модели (LLM) для генерации ответа на вопрос с учётом переданного ей контекста. Всесторонний рассказ о RAG-системах выходит за рамки этой статьи, поэтому вот тут вы сможете ознакомиться с соновами: https://habr.com/ru/articles/779526/ и https://habr.com/ru/companies/raft/articles/791034/

Под капотом у RAG-системы можно найти несколько различных компонентов. Причем набор и структура этих компонентов может серьезно различаться в зависимости от задачи и выбранного подхода. И каждый их этих компонентов обладает собственным набором параметров. И весь этот зоопарк надо как-то настраивать, потому что от этого сильно зависит качество поиска.

Можно делать это вручную. [Спойлер] Долго, утомительно и не эффективно [/Спойлер] :) А можно попробовать свалить эту задачу на Optuna’у (а че она бездельничает :) Чем мы и займемся в этой статье.

Для примера мы рассмотрим очень простой вариант RAG-системы, но достаточный для понимания концепции.

Задача

Но для начала формализуем задачу, т.к. от этого сильно зависит архитектура системы.

Итак, наша RAG-система должна выполнять следующие функции:

  • Поиск в различной технической документации: ТЗ, инструкции, регламенты и пр.

  • Поддержка только трех форматов документов: DOCX, PDF и TXT.

  • В одном документе могут быть ответы на многие вопросы. Но ответ на любой вопрос содержится только в одном документе, в одной его части (например, абзаце).
    Т.е. не может быть ситуации, что ответ на один и тот же вопрос можно найти в разных файлах.

  • Язык документации, преимущественно, - русский. Исключения - имена собственные на английском.

  • Работа в закрытом контуре (т.е. никаких OpenAI и прочих товарищей).

  • Работа на одной GPU A100 40Мб.

Архитектура

Архитектура нашей RAG-системы будет состоять из трех основных компонентов и двух процессов.

Начнем с процессов:

1. Парсинг документов

2df22c32063a7c39ab4bebf35a0daa16.png

Этапы:

  • Загружаем в “систему” документ(ы).

  • Документ разбивается на чанки (небольшие куски текста) по определенной логике.

  • Каждый чанк посредством bi-encoder’а конвертируется в вектор (он же эмбеддинг).

  • Вектор вместе с самим чанком (и другой сопутствующей информацией) сохраняется в векторной БД.

По фэн-шую тут еще должен быть процесс удаления документа, но для нашего эксперимента он сейчас не нужен.

2. Ответ на вопрос

479207c40d1591ec8b3a85c1dd672400.png

Этапы:

  • Пользователь формулирует вопрос.

  • Вопрос конвертируется в вектор посредством bi-encoder’а (причем того же самого, который используется для кодирования чанков).

  • По сформированному вектору ищем в БД похожие вектора. Возвращаем топ-N похожих векторов (а также связанные с ними чанки).

  • Формируем промт для LLM. Для этого склеиваем воедино: системный промт, вопрос пользователя и чанки.

  • Отправляем промт в LLM и получаем ответ.

Эти два процесс взаимосвязаны, поэтому и тестироваться они будут вместе.

Компоненты

В этой архитектуре можно выделить три основных компонента:

  1. Bi-encoder - производит кодирование строки в вектор.
    Для чего это нужно? Две строки закодированные в вектор можно сравнивать между собой посредством косинусного расстояния и сказать насколько они похожи. Таким способом, например, можно приблизительно подобрать ответы на вопрос.

  2. Векторная БД. Нужна для хранения векторов. А еще она может очень быстро находить (и возвращать) близкие вектора по косинусному (и некоторым другим) расстоянию.
    В вектора мы будем кодировать чанки документов и вопросы пользователей. И по косиносному расстоянию будем искать наиболее похожие на вопрос чанки. И уже эти чанки будем скармливать LLM.
    Зачем это нужно? Почему сразу не скормить все чанки в LLM? Причины две:

    • У LLM есть ограниченный контекст и все чанки в нее тупо не влезут.

    • Чем больше текста вы скормите LLM, тем дольше она будет генерировать ответ. Поэтому лучше подавать в нее какой-то минимально необходимый объем данных.

    Следовательно, нам нужно предварительно отобрать ограниченное количество чанков. Что мы и будем делать посредством косинусного расстояния.
    В качестве векторной БД будем использовать Qdrant.

  3. LLM - сердце нашей системы - занимается “осмысливанием” вопроса и генерирует ответа на него. Для теста будем использовать недавно разинутую Llama 3 (а точнее затюненую версию IlyaGusev/saiga_llama3_8b). Отвечает неплохо, работает ооочень быстро и влазит на одну карточку. В общем, то что нам нужно :)

На второй картинке вы можете увидеть (затенен) еще один компонент - Cross-encoder (еще его называют re-ranker). В этом решении он не используется, но он часто встречается в других решениях. Его основная функция - дополнительная фильтрация отобранных чанков. Cross-encoder типа умнее bi-энкодера, но работает заметно дольше bi-энкодера. А если у вас миллионы векторов - это может быть существенно снизить производительность системы. Поэтому поступают так: с помощью косинусного расстояния отбирают, например, топ-100 чанков. Их скармливают сross-encoder’у, который отбирает из них 3-5 чанков, которые уже поступают в LLM.

Или еще более хитрый вариант: просят LLM переформулировать вопрос пользователя 2 раза. По каждому из получившихся 3 вопросов ищут чанки в БД (например, по 30 чанков на вопрос). Затем cross-encoder отбирает из общего списка чанков 3-5 лучших.

Более подробно можете почитать тут: https://www.sbert.net/examples/applications/cross-encoder/README.html

З.Ы. К сожалению, для русского языка существует только один приличный cross-encoder: PitKoro/cross-encoder-ru-msmarco-passage

Тесты

Чтобы оценить качество работы RAG-системы необходимо подготовить тестовые вопросы и ответы к ним. И лучше чтобы в их составлении участвовали конечные пользователи RAG-системы (или заказчики), поскольку ваше представление о “прекрасном” может отличаться от необходимого. Вопросов нужно порядка 20-30 на 5-10 файлов.

В результате у вас должна получится примерно такая таблица:

#

Вопрос

Правильный ответ

Контекст

Файл

№ страницы

Где:

  • Вопрос - вопрос по содержимому файла.

  • Правильный ответ - что мы хотели бы видеть в качестве ответа на соответствующий вопрос.

  • Контекст - цельный кусок текста (например, абзац), из которого сформулирован правильный ответ.

  • Файл - название файла, в котором содержится ответ.

  • № страницы - номер страницы, на которой находится контекст.

Вопросы желательно подбирать так, чтобы протестировать различные варианты ответов:

  • Простые факты из документов.

  • Вопросы на суммаризацию.

  • Описания процессов.

  • Перечисления фактов.

  • Вопросы с условием.

  • Числа, даты, имена собственные.

  • И пр.

Теория это хорошо, но нам сейчас нужно на чем-то экспериментировать :)

Ru RAG Test Dataset

Специально для этой статьи я собрал датасет для тестирования RAG-системы: https://github.com/slivka83/ru_rag_test_dataset

Датасет основан на датасете RuBQ. В этом датасете есть все нужные нам столбцы (кроме страниц - в вебе и txt их нет :). Всего 923 вопроса.

f540d6ea7cf77f50f592727f85edba63.png

Из RuBQ я отобрал только те вопросы, ответ на который есть только в одном месте одной статьи. Но там есть и вопросы, ответы на которые встречаются в нескольких статьях/абзацах. Если они вам нужны можете скачать их самостоятельно - код я приложил.

З.Ы. Если что, датасет не идеальный, но может служить отправной точкой для вашего собственного теста:

  • Ответы на вопросы очень простые (если не сказать примитивные :)

  • Возможно википедия (особенно английская) не очень подходят для оценки RAG-системы, поскольку LLM зачастую обучаются и на ее текстах. И иногда может быть не понятно откуда модель взяла ответ - из чанков или из своих собственных знаний.

  • Встречаются ошибки в правильных ответах.

Оценка

Учитывая задачу, мы хотим в результате тестирования получить ответ на три вопроса:

  1. Найден ли правильный файл?

  2. Найден ли правильный контекст?

  3. Оценить ответ LLM.

Метрик для оценки ответов LLM довольно много: BERTScore, BLEURT, METEOR и пр. И все они довольно мудреные. Но если посмотреть на ответы в наших тестовых вопросах - они очень просты. Буквально слово или два. А LLM бывают довольно “разговорчивы”. Соответственно, чтобы оценить ответ LLM нам достаточно (для нашего случая) просто определить, содержится ли правильное слово в ответе LLM. Для этого идеально подходит метрика Rouge-1, которая просто сравнивает униграммы.

Есть даже вариант оценивать ответы LLM также с помощью LLM: подают в LLM вопрос и ответ и просят оценить (от 1 до 10) насколько ответ корректный.

Правильность контекста мы будем оценивать по пересечению. Т.е. будем искать, какой наибольший кусок контекста содержится в отобранных чанках.

Файл мы будем оценивать просто по факту его нахождения: вернула ли нам БД нужный файл (к каждому чанку у нас будет привязано название файла из которого он взят).

Код

Далее рассмотрим отдельные функции, из которых будет состоять наш код.

Весь код вы можете найти здесь: https://github.com/slivka83/rag_optuna_optimization

Чанки

from langchain_community.document_loaders import TextLoader, Docx2txtLoader, PyPDFLoader
from langchain.text_splitter import RecursiveCharacterTextSplitter

def file_to_chunks(file_name, sep, chunk_size, chunk_overlap):
    file_ext = file_name.split('.')[-1]
    file_path = f'{TEST_FOLDER_PATH}/{file_name}'
    
    # Загружаем содержимое файла 
    if file_ext == 'txt':
        loader = TextLoader(file_path, encoding='utf-8')
    elif file_ext == 'docx':
        loader = Docx2txtLoader(file_path)
    elif file_ext == 'pdf':
        loader = PyPDFLoader(file_path)
    else:
        return
    file = loader.load()
    content = file[0].page_content
    
    # Разбиваем текст на чанки
    text_splitter = RecursiveCharacterTextSplitter(
        separators = sep,
        chunk_size = chunk_size,
        chunk_overlap = chunk_overlap,
        length_function = len,
        is_separator_regex = False,
        add_start_index = False
    )
    chunks = text_splitter.split_text(content)
    
    return chunks

Функция file_to_chunks, принимает название файла, загружает его и разбивает на чанки с помощью библиотеки langchain. И эти чанки возвращает.

И здесь у нас появляются первые гиперпараметры:

  • sep - разделитель по которому мы будем шинковать файл.

  • chunk_size - размер чанков (в символах).

  • chunk_overlap - с каким перехлестом будут делаться чанки.

Bi-encoder

from sentence_transformers import SentenceTransformer
from sentence_transformers.models import Pooling, Transformer

# Подгружаем bi-encoder 
def get_bi_encoder(bi_encoder_name):
    raw_model = Transformer(model_name_or_path=f'{bi_encoder_name}')

    # Вытаскиваем размер векторов
    bi_encoder_dim = raw_model.get_word_embedding_dimension()
    
    pooling_model = Pooling(
        bi_encoder_dim,
        pooling_mode_cls_token = False,
        pooling_mode_mean_tokens = True
    )
    bi_encoder = SentenceTransformer(
        modules = [raw_model, pooling_model],
        device = 'cuda' # помещаем его на GPU
    )
    
    return bi_encoder, bi_encoder_dim

# Формируем из строки вектор
def str_to_vec(bi_encoder, text):
    embeddings = bi_encoder.encode(
        text,
        convert_to_tensor = True,
        show_progress_bar = False
    )
    return embeddings

Здесь у нас две функции:

  • get_bi_encoder - загружает и возвращает bi-encoder по его имени.

  • str_to_vec - конвертирует строку в вектор с помощью bi-encoder’а.

Тут стоит поподробнее остановиться на двух важных свойствах bi-encoder’а:

  • Сколько текста он может скушать за раз - остальное будет отброшено.
    Если у вас длинные чанки и/или длинные вопросы, то вам, возможно, стоит подобрать bi-encoder с бОльшей длиной контекста.

  • Какого размера вектора он возвращает. При прочих равных, чем больше длина вектора, тем больше информации в нем можно закодировать.

Оба этих параметра “зашиты” в bi-энкодер и оба важны для RAG-системы. Поэтому у нас сам bi-энкодер будет гиперпараметром. Т.е. мы будем пробовать разные bi-энкодеры и смотреть какой из них лучше себя покажет.

Есть даже лидерборд bi-энкодеров, в котором вы можете подобрать нужный вам: https://github.com/avidale/encodechka

Qdrant

import uuid

from qdrant_client import QdrantClient
from qdrant_client.http.models import Distance, VectorParams, PointStruct


# Создаем подключение к векторной БД
qdrant_client = QdrantClient('my_qdrant_server.ru', port=6333)   

# Помещаем чанки и доп. информаицю в векторую БД
def save_chunks(bi_encoder, chunks, file_name):
    # Конвертируем чанки в векитора
    chunk_embeddings = str_to_vec(bi_encoder, chunks)

    # Содаем объект(ы) для БД
    points = []
    for i in range(len(chunk_embeddings)):
        point = PointStruct(
            id=str(uuid.uuid4()), # генерируем GUID
            vector = chunk_embeddings[i], 
            payload={'file': file_name, 'chunk': chunks[i]}
        )
        points.append(point)
    
    # Сохраняем вектора в БД
    operation_info = qdrant_client.upsert(
        collection_name = COLL_NAME,
        wait = True,
        points = points
    )
    
    return operation_info

def files_to_vecdb(files, bi_encoder, vec_size, sep, chunk_size, chunk_overlap):    
    # Удаляем и заново создаем коллекцию
    qdrant_client.delete_collection(collection_name=COLL_NAME)
    qdrant_client.create_collection(
        collection_name = COLL_NAME,
        vectors_config = VectorParams(size=vec_size, distance=Distance.COSINE),
    )
    
    # Каждый файл по одному...
    for file_name in files:
        # делим на чанки ...
        chunks = file_to_chunks(file_name, sep, chunk_size, chunk_overlap)
        # помещаем чанки в векторную БД
        operation_status = save_chunks(bi_encoder, chunks, file_name)

Здесь мы:

  • Создаем подключение к векторной БД Qdrant.
    З.Ы. Процесс установки выходит за рамки статьи, но вы можете ознакомится с ним в официальной документации: https://qdrant.tech/documentation/guides/installation/

  • Объявляем две функции:

    • save_chunks - конвертирует переданные чанки в эмбединги и помещает их в Qdrant.

    • files_to_vecdb - делает две вещи:

      • Удаляет и вновь создает коллекцию в БД Qdrant, в которой мы будем складировать чанки.
        З.Ы. Коллекция это аналог таблицы в реляционной БД.

      • Последовательно перебирает переданные файлы. Каждый из которых делит на чанки и кладет в БД Qdrant.

Обратите внимание:

  • Коллекцию мы создаем такого же размера, какого размера вектора возвращает bi-encoder.

  • Вместе с вектором мы будем хранить сам чанк, из которого он сформирован и название файла, из которого он взят.

Да, мы будет при каждом прогоне теста заново разбивать все файлы на чанки и создавать из них коллекцию. Но не стоит об этом переживать. На фоне скорости генерации ответа LLM это происходит почти мгновенно :)

Поиск векторов

def vec_search(bi_encoder, query, n_top_cos):
    # Кодируем запрос в вектор
    query_emb = str_to_vec(bi_encoder, query)

    # Поиск в БД
    search_result = qdrant_client.search(
        collection_name = COLL_NAME,
        query_vector = query_emb,
        limit = n_top_cos,
        with_vectors = False
    )
    
    top_chunks = [x.payload['chunk'] for x in search_result]
    top_files = list(set([x.payload['file'] for x in search_result]))
    
    return top_chunks, top_files

Функция vec_search сначала кодирует вопрос в вектор, а затем ищет по косиносному расстоянию наиболее похожие вектора в БД Qdrant. Возвращает топ-N векторов: а точнее содержимое чанков (и названия файлов) привязанных к отобранным векторам.

LLM

Сначала загрузим саму LLM:

import torch
from transformers import AutoTokenizer, AutoModelForCausalLM

model_id = 'IlyaGusev/saiga_llama3_8b'

tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    torch_dtype = torch.bfloat16,
    device_map = "auto"
)

Как мы помним, в качестве подопытной LLM’и у нас будет использоваться новомодная Llama3.

Далее определим функцию, которая будет скармливать LLM промт и обрабатывать ответ:

def get_llm_answer(query, chunks_join, max_new_tokens, temperature, top_p, top_k):
    user_prompt = '''Используй только следующий контекст, чтобы очень кратко ответить на вопрос в конце.
    Не пытайся выдумывать ответ.
    Контекст:
    ===========
    {chunks_join}
    ===========
    Вопрос:
    ===========
    {query}'''.format(chunks_join=chunks_join, query=query)
    
    SYSTEM_PROMPT = "Ты — Сайга, русскоязычный автоматический ассистент. Ты разговариваешь с людьми и помогаешь им."
    RESPONSE_TEMPLATE = "<|im_start|>assistant\n"
    
    prompt = f'''<|im_start|>system\n{SYSTEM_PROMPT}<|im_end|>\n<|im_start|>user\n{user_prompt}<|im_end|>\n{RESPONSE_TEMPLATE}'''
    
    def generate(model, tokenizer, prompt):
        data = tokenizer(prompt, return_tensors="pt", add_special_tokens=False)
        data = {k: v.to(model.device) for k, v in data.items()}
        output_ids = model.generate(
            **data,
            bos_token_id=128000,
            eos_token_id=128001,
            pad_token_id=128001,
            do_sample=True,
            max_new_tokens=max_new_tokens,
            no_repeat_ngram_size=15,
            repetition_penalty=1.1,
            temperature=temperature,
            top_k=top_k,
            top_p=top_p 
        )[0]
        output_ids = output_ids[len(data["input_ids"][0]) :]
        output = tokenizer.decode(output_ids, skip_special_tokens=True)
        return output.strip()
    
    response = generate(model, tokenizer, prompt)
    
    return response

Прибавилось гиперпараметров и все они относятся к LLM:

  • max_new_tokens - максимальное количество токенов, которое будет сгенерировано LLM (не считая токены в промте).

  • temperature - определяет насколько “творческим” будет ответ LLM. Чем выше значение, тем выше “творчество”.

  • top_p - также отвечает за степень детерминированности модели. Чем больше значение, тем более разнообразными будут ответы. Меньшие значения будут давать более точные и фактические ответы.
    З.Ы. Рекомендуется изменить либо температуру, либо top_p, но не оба сразу.

  • top_k - ограничивает количество вариантов, которые модель рассматривает при генерации следующего токена.

З.Ы. Здесь напрашивается в качестве гиперпараметра системный промт. Точнее различные варианты его формулировки. Но пока оставим его статичным.

Т.к. ответы у нас состоят из одного-двух слов - просим ламу отвечать очень кратко.

Оценка

Оценкой ответа LLM (от 0 до 100) будут заниматься две функции. Одна будет лемматизировать текст, а вторая непосредственно оценивать ответ посредством метрики Rouge-1.

import re
import json
from rouge import Rouge
from pymorphy2 import MorphAnalyzer

f = open('stopwords-ru.json', encoding='utf-8')
stop_words = json.load(f)
#print(stop_words)

morph = MorphAnalyzer()
patterns = "[«»°!#$%&'()*+,./:;<=>?@[\]^_`{|}~—\"\-]+"

def lemmatize(string):
    clear = re.sub(patterns, ' ', string)
    tokens = []
    for token in clear.split():
        if token:
            token = token.strip()
            token = morph.normal_forms(token)[0]
            if token not in stop_words:
                tokens.append(token)
    tokens = ' '.join(tokens)
    return tokens

def get_llm_score(answer, answer_true):
    answer = lemmatize(answer)
    answer_true = lemmatize(answer_true)
    if len(answer) == 0:
        answer = '-'
        
    rouge = Rouge()
    scores = rouge.get_scores(answer, answer_true)[0]
    rouge_1 = round(scores['rouge-1']['r']*100, 2)
    
    return rouge_1

Оценка контекста (от 0 до 100) будет также производится метрикой Rouge. Точнее одной из ее версий (Rouge-L), которая измеряет максимальную общую длину между двумя строками:

def get_context_score(chunks_join, context):
    rouge = Rouge()
    scores = rouge.get_scores(chunks_join, context)[0]
    score = round(scores['rouge-l']['r'] * 100)
    return score

Найден ли нужный файл (0 или 1) мы будет определять просто по отобранным чанкам: к каждому из них привязано название файла (из которого он взят). Код сравнения вы найдете в следующем разделе.

Запуск одного теста

Все части пазла готовы и теперь нужно собрать их вместе и один раз прогнать через них все строки тестовых вопросов:

def run_one_test(df, encoder_name, sep, chunk_size, chunk_overlap, n_top_cos, max_new_tokens, temperature, top_p, top_k):
    try:
        bi_encoder, vec_size = get_bi_encoder(encoder_name)

        files = df['Файл'].unique()
        files_to_vecdb(files, bi_encoder, vec_size, sep, chunk_size, chunk_overlap)

        result = []
        for i, row in df.iterrows():
            query = row['Вопрос']
            answer_true = row['Правильный ответ']
            file_name = row['Файл']
            context = row['Контекст']

            top_chunks, top_files = vec_search(bi_encoder, query, n_top_cos)
            row['top_files'] = top_files
            row['top_chunks'] = top_chunks
            top_chunks_join = '\n'.join(top_chunks) # объединяем чанки

            answer = get_llm_answer(query, top_chunks_join, max_new_tokens, temperature, top_p, top_k)
            row['Ответ'] = answer

            row['file_score'] = int(file_name in top_files)
            row['context_score'] = get_context_score(top_chunks_join, context)
            row['llm_score'] = get_llm_score(answer, answer_true)

            result.append(row)

        result = pd.DataFrame(result)
        result = result.sort_values(by=['llm_score','context_score','file_score'], ascending=False)
        result = result.reset_index(drop=True)

        score = result['llm_score'].mean()

        return result, score
    
    except:
        return None, 0

Здесь мы:

  • Подгружаем bi-encoder

  • Все файлы из тестового датасета разбиваем на чанки, конвертируем в вектора и помещаем в Qdrant.

  • Для каждого вопроса из теста:

    • Конвертируем вопрос в вектор.

    • Ищем похожие (на вопрос) чанки в БД Qdrant.

    • Объединяем чанки и формируем из них промт для LLM.
      З.Ы. Способ объединения чанков также может быть гиперпараметром.

    • Скармливаем промт LLM и получаем ответ.

    • Оцениваем ответ LLM, найденный контекст и файл.

    • Сохраняем оценки и служебную информацию в датасете.

Возвращаем датасет и оценку. Общая оценка всего датасета это просто усредненная оценка ответа LLM. Для нашего случая этого пока достаточно.

С оценкой можно поиграться. Например можно усреднить оценку файла, контекста и LLM. Или можно усреднить только оценки LLM и контекста и умножить все это на оценку файла (если файл найден неправильно, то вся оценка занулится). В общем простор для фантазии большой.

Обратите внимание, что код внутри функции run_one_test мы обернули в try-except. Это нужно обязательно сделать на случай, если оптуна захочет передать в RAG-систему слишком жирные параметры. От которых модель просто упадет. В этом случаем мы не прекращаем обучение, а просто возвращаем скор 0. Оптуна быстро выучит границы дозволенного и суваться за их пределы почти не будет.

Запуск Optuna'ы

Вот мы и подобрались к вишенке на торте.

Сначала определим loss-функцию, которую будет максимизировать опутна:

import optuna

def objective(trial):
    global best_score, best_result
    
    encoder_name = trial.suggest_categorical('encoder_name', ['cointegrated/rubert-tiny2',
                                                              'kazzand/ru-longformer-large-4096',
                                                              'cointegrated/LaBSE-en-ru'])
    sep = trial.suggest_categorical('sep', ['.',' ','\n'])
    
    chunk_size = trial.suggest_int('chunk_size', 100, 2000)
    chunk_overlap = trial.suggest_int('chunk_overlap', 50, 600)
    n_top_cos = trial.suggest_int('n_top_cos', 1, 8)
    
    max_new_tokens = trial.suggest_int('max_new_tokens', 100, 1600)
    temperature = trial.suggest_float('temperature', 0.01, 0.99)
    top_p = trial.suggest_float('top_p', 0.01, 0.99)
    top_k = trial.suggest_int('top_k', 10, 150)
    
    result, score = run_one_test(
        TEST_DF,
        encoder_name,
        sep, chunk_size, chunk_overlap, n_top_cos,
        max_new_tokens, temperature, top_p, top_k
    )
    
    if score > best_score:
        best_score = score
        best_score_tag = ' <--'
        best_result = result
    else:
        best_score_tag = ''       

    print(f'{score:.2f}', best_score_tag)
    
    return score

optuna.logging.set_verbosity(optuna.logging.WARNING)

Здесь мы:

  • Определяем все наши гиперпараметры и задаем диапазон для их перебора.

  • Скармливаем функции run_one_test параметры текущего цикла и получаем в виде ответа датасет с результатами и оценку.

  • Сравниваем полученный скор с лучшим значением и если оно превосходит заменяем его и сохраняем таблицу с ответами (в глобальной переменной).

  • Возвращаем скор оптуне.

В качестве разделителя для чанков мы используем только один символ (точку, запятую или пробел). Но в функцию RecursiveCharacterTextSplitter можно передать сразу последовательность символов. Примерно так: ['/n', '.', ',', ' ']. Тогда, она сначала попробует первый знак, затем перейдет ко второму и т.д. Так можно получить чанки более равномерной длины. Ну а возможности комбинаций этих символов оставляют большой простор для фантазии :)

Ну и запустим наконец оптуну:

import pandas as pd

COLL_NAME = 'optuna_test_llama3_1'
TEST_FILE_PATH = 'ru_rag_test_dataset.pkl'
TEST_FOLDER_PATH = 'Тест_RuBQ'

TEST_DF = pd.read_pickle(TEST_FILE_PATH)[::15]
print('Кол-во строк:', TEST_DF.shape[0])


best_score = 0
best_result = None

study = optuna.create_study(direction='maximize')
study.optimize(objective, n_trials=5000, timeout=60*60*24)

Здесь мы:

  • Определяем глобальные переменные: название коллекции в БД Qdrant в которой будет хранить чанки, пути до датасета с вопросами и путь в папке, в которой лежат файлы.

  • Подгружаем тестовые вопросы. При этом отбираем каждый 15 вопрос, чтобы уменьшить общее их количество и сократить время на один тест. В итоге у нас получается 62 вопроса (из 923), чего вполне достаточно для оценки.

  • Запускаем оптуну и ставим ей задачу максимизировать скор.

Ну и смотрим как увеличивается скор:

0.00 
42.60  <--
0.00 
29.01 
0.00 
46.47  <--
30.48 
40.38 
38.78 
32.56 
39.10 
38.94 
43.59 
42.87 
59.62  <--
64.42  <--
62.18 
65.70  <--
58.81 
65.38 
...

Как гласит еще одна народная мудрость, можно бесконечно смотреть на три вещи: как горит огонь, как течет вода и как падает лосс :)

З.Ы. Если хотите прогонять много примеров, то можете воспользоваться техникой Pruners, чтобы сократить время обучения: https://t.me/ds_private_sharing/76

Результат

Я гонял оптуну 24 часа и провел 482 теста. Лучший скор - 77.95%. Если сравнить его с медианным (69.72%) или средним скором (66.56%), то результат лучше примерно на 10%.

Глянем на распределение скоров:

a1c8f2cd16fc9d0810f312b4873cbcee.png

Нулевых скоров почти нет.

Посмотрим на лучшие гиперпараметры:

{'encoder_name': 'cointegrated/LaBSE-en-ru',
 'sep': '\n',
 'chunk_size': 1977,
 'chunk_overlap': 61,
 'n_top_cos': 8,
 'max_new_tokens': 302,
 'temperature': 0.6095279086616815,
 'top_p': 0.1871688966686985,
 'top_k': 129}

Тут мы явно уперлись в chunk_size и n_top_cos. Можно еще раз запустить подбор, увеличив эти параметры.

Посмотрим на лучшие ответы:

acaedf56fe56baabd04009c842f42ca9.png

Выглядит неплохо. Теперь посмотрим на худшие ответы:

c37d4ec134c8ab132b7071f8a0e9c9a4.png

Можно заметить, что на некоторые вопросы ответы даны правильно. Т.е. в самом “правильном ответе” содержится либо неправильный ответ, либо ответ который можно трактовать двояко. А это значит, что скор у лучшей “модели” еще выше.

Также не нашли три раза нужный файл. Можно еще добавить разнообразных bi-encider’ов для перебора.

Может показаться, что лучший результат случаен. Но давайте посмотрим на топ лучших скоров:

d9ec9f7b47cc4c9850aadbf7386a3fc1.png

Видно, что большинство лучших значений обладают примерно схожими гиперпараметрами. А значит результат вполне закономерен.

З.Ы. Дополнительно я вручную запустил тестирование с лучшими найденными гшиперпараметрами. Скор был примерно равен лучшему скору оптуны.

По фэн-шую еще можно выделить из общего теста отдельный кусок (холдаут) и на нем прогнать модель с лучшими параметры. Для финальной оценки.

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  • 12.10.25 01:12 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 12.10.25 19:53 Tonerdomark

    A crook swiped my Dogecoin. It ruined my whole world. Then Mr. Sylvester showed up. He fixed it all. He pulled back €211,000 for me. Not one cent missing from my profits. His steady cool and sharp tech know-how won back my trust. I got my money smooth and sound. After endless worry, relief hit me hard. I trusted him completely. Lost cash to a scam? Hit him up now at { yt7cracker@gmail . com }. His aid turned my life around. WhatsApp at +1 512 577 7957.

  • 12.10.25 21:36 blessing

    Writing this review is a joy. Marie has provided excellent service ever since I started working with her in early 2018. I was worried I wouldn't be able to get my coins back after they were stolen by hackers. I had no idea where to begin, therefore it was a nightmare for me. However, things became easier for me after my friend sent me to [email protected] and +1 7127594675 on WhatsApp. I'm happy that she was able to retrieve my bitcoin so that I could resume trading.

  • 13.10.25 01:11 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 13.10.25 01:11 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 14.10.25 01:15 tyleradams

    Hi. Please be wise, do not make the same mistake I had made in the past, I was a victim of bitcoin scam, I saw a glamorous review showering praises and marketing an investment firm, I reached out to them on what their contracts are, and I invested $28,000, which I was promised to get my first 15% profit in weeks, when it’s time to get my profits, I got to know the company was bogus, they kept asking me to invest more and I ran out of patience then requested to have my money back, they refused to answer nor refund my funds, not until a friend of mine introduced me to the NVIDIA TECH HACKERS, so I reached out and after tabling my complaints, they were swift to action and within 36 hours I got back my funds with the due profit. I couldn’t contain the joy in me. I urge you guys to reach out to NVIDIA TECH HACKERS on their email: [email protected]

  • 14.10.25 08:46 robertalfred175

    CRYPTO SCAM RECOVERY SUCCESSFUL – A TESTIMONIAL OF LOST PASSWORD TO YOUR DIGITAL WALLET BACK. My name is Robert Alfred, Am from Australia. I’m sharing my experience in the hope that it helps others who have been victims of crypto scams. A few months ago, I fell victim to a fraudulent crypto investment scheme linked to a broker company. I had invested heavily during a time when Bitcoin prices were rising, thinking it was a good opportunity. Unfortunately, I was scammed out of $120,000 AUD and the broker denied me access to my digital wallet and assets. It was a devastating experience that caused many sleepless nights. Crypto scams are increasingly common and often involve fake trading platforms, phishing attacks, and misleading investment opportunities. In my desperation, a friend from the crypto community recommended Capital Crypto Recovery Service, known for helping victims recover lost or stolen funds. After doing some research and reading multiple positive reviews, I reached out to Capital Crypto Recovery. I provided all the necessary information—wallet addresses, transaction history, and communication logs. Their expert team responded immediately and began investigating. Using advanced blockchain tracking techniques, they were able to trace the stolen Dogecoin, identify the scammer’s wallet, and coordinate with relevant authorities to freeze the funds before they could be moved. Incredibly, within 24 hours, Capital Crypto Recovery successfully recovered the majority of my stolen crypto assets. I was beyond relieved and truly grateful. Their professionalism, transparency, and constant communication throughout the process gave me hope during a very difficult time. If you’ve been a victim of a crypto scam, I highly recommend them with full confidence contacting: 📧 Email: [email protected] 📱 Telegram: @Capitalcryptorecover Contact: [email protected] 📞 Call/Text: +1 (336) 390-6684 🌐 Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 14.10.25 08:46 robertalfred175

    CRYPTO SCAM RECOVERY SUCCESSFUL – A TESTIMONIAL OF LOST PASSWORD TO YOUR DIGITAL WALLET BACK. My name is Robert Alfred, Am from Australia. I’m sharing my experience in the hope that it helps others who have been victims of crypto scams. A few months ago, I fell victim to a fraudulent crypto investment scheme linked to a broker company. I had invested heavily during a time when Bitcoin prices were rising, thinking it was a good opportunity. Unfortunately, I was scammed out of $120,000 AUD and the broker denied me access to my digital wallet and assets. It was a devastating experience that caused many sleepless nights. Crypto scams are increasingly common and often involve fake trading platforms, phishing attacks, and misleading investment opportunities. In my desperation, a friend from the crypto community recommended Capital Crypto Recovery Service, known for helping victims recover lost or stolen funds. After doing some research and reading multiple positive reviews, I reached out to Capital Crypto Recovery. I provided all the necessary information—wallet addresses, transaction history, and communication logs. Their expert team responded immediately and began investigating. Using advanced blockchain tracking techniques, they were able to trace the stolen Dogecoin, identify the scammer’s wallet, and coordinate with relevant authorities to freeze the funds before they could be moved. Incredibly, within 24 hours, Capital Crypto Recovery successfully recovered the majority of my stolen crypto assets. I was beyond relieved and truly grateful. Their professionalism, transparency, and constant communication throughout the process gave me hope during a very difficult time. If you’ve been a victim of a crypto scam, I highly recommend them with full confidence contacting: 📧 Email: [email protected] 📱 Telegram: @Capitalcryptorecover Contact: [email protected] 📞 Call/Text: +1 (336) 390-6684 🌐 Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 14.10.25 08:46 robertalfred175

    CRYPTO SCAM RECOVERY SUCCESSFUL – A TESTIMONIAL OF LOST PASSWORD TO YOUR DIGITAL WALLET BACK. My name is Robert Alfred, Am from Australia. I’m sharing my experience in the hope that it helps others who have been victims of crypto scams. A few months ago, I fell victim to a fraudulent crypto investment scheme linked to a broker company. I had invested heavily during a time when Bitcoin prices were rising, thinking it was a good opportunity. Unfortunately, I was scammed out of $120,000 AUD and the broker denied me access to my digital wallet and assets. It was a devastating experience that caused many sleepless nights. Crypto scams are increasingly common and often involve fake trading platforms, phishing attacks, and misleading investment opportunities. In my desperation, a friend from the crypto community recommended Capital Crypto Recovery Service, known for helping victims recover lost or stolen funds. After doing some research and reading multiple positive reviews, I reached out to Capital Crypto Recovery. I provided all the necessary information—wallet addresses, transaction history, and communication logs. Their expert team responded immediately and began investigating. Using advanced blockchain tracking techniques, they were able to trace the stolen Dogecoin, identify the scammer’s wallet, and coordinate with relevant authorities to freeze the funds before they could be moved. Incredibly, within 24 hours, Capital Crypto Recovery successfully recovered the majority of my stolen crypto assets. I was beyond relieved and truly grateful. Their professionalism, transparency, and constant communication throughout the process gave me hope during a very difficult time. If you’ve been a victim of a crypto scam, I highly recommend them with full confidence contacting: 📧 Email: [email protected] 📱 Telegram: @Capitalcryptorecover Contact: [email protected] 📞 Call/Text: +1 (336) 390-6684 🌐 Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 15.10.25 18:07 crypto

    Cryptocurrency's digital realm presents many opportunities, but it also conceals complex frauds. It is quite painful to lose your cryptocurrency to scam. You can feel harassed and lost as a result. If you have been the victim of a cryptocurrency scam, this guide explains what to do ASAP. Following these procedures will help you avoid further issues or get your money back. Communication with Marie ([email protected] and WhatsApp: +1 7127594675) can make all the difference.

  • 15.10.25 21:52 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 15.10.25 21:52 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 17.10.25 20:17 tyleradams

    As time passes, there are an increasing number of frauds involving Bitcoin and other cryptocurrencies. Although there are many individuals who advertise recovering money online, people should use caution in dealing, especially when money is involved. You can trust NVIDIA TECH HACKERS [[email protected]], I promise. They are the top internet recovery company, and as their names indicate, your money is reclaimed as soon as feasible. My bitcoin was successfully retrieved in large part thanks to NVIDIA TECH HACKERS. Ensure that you get top-notch service; NVIDIA TECH HACKERS provides evidence of its work; and payment is only made when the service has been completed to your satisfaction. Reach them via email: [email protected] on google mail

  • 17.10.25 20:20 lindseyvonn

    Have you gotten yourself involved in a cryptocurrency scam or any scam at all? If yes, know that you are not alone, there are a lot of people in this same situation. I'm a Health Worker and was a victim of a cryptocurrency scam that cost me a lot of money. This happened a few weeks ago, there’s only one solution which is to talk to the right people, if you don’t do this you will end up being really depressed. I was really devastated until went on LinkedIn one evening after my work hours and i saw lots of reviews popped up on my feed about [email protected], I sent an email to the team who came highly recommended - [email protected] I started seeing some hope for myself from the moment I sent them an email. The good part is they made the entire process stress free for me, i literally sat and waited for them to finish and I received what I lost in my wallet

  • 17.10.25 20:22 richardcharles

    I would recommend NVIDIA TECH HACKERS to anyone that needs this service. I decided to get into crypto investment and I ended up getting my crypto lost to an investor late last year. The guy who was supposed to be managing my account turned out to be a scammer all along. I invested 56,000 USD and at first, my reading and profit margins were looking good. I started getting worried when I couldn’t make withdrawals and realized that I’ve been scammed. I came across some of the testimonials that people said about NVIDIA TECH HACKERS and how helpful he has been in recovering their funds. I immediately contacted him in his mail at [email protected] so I can get his assistance. One week into the recovery process the funds were traced and recovered back from the scammer. I can't appreciate him enough for his professionalism.

  • 17.10.25 20:23 stevekalfman

    If you need a hacker for scam crypto recovery or mobile spy access remotely kindly reach out to [email protected] for quick response, I hired this hacker and he did a nice job. before NVIDIA TECH HACKERS, I met with different hacker's online which turns out to be scam, this NVIDIA TECH HACKERS case was different and he is the trusted hacker I can vote and refer.

  • 17.10.25 21:42 marcushenderson624

    Bitcoin Recovery Testimonial After falling victim to a cryptocurrency scam group, I lost $354,000 worth of USDT. I thought all hope was lost from the experience of losing my hard-earned money to scammers. I was devastated and believed there was no way to recover my funds. Fortunately, I started searching for help to recover my stolen funds and I came across a lot of testimonials online about Capital Crypto Recovery, an agent who helps in recovery of lost bitcoin funds, I contacted Capital Crypto Recover Service, and with their expertise, they successfully traced and recovered my stolen assets. Their team was professional, kept me updated throughout the process, and demonstrated a deep understanding of blockchain transactions and recovery protocols. They are trusted and very reliable with a 100% successful rate record Recovery bitcoin, I’m grateful for their help and highly recommend their services to anyone seeking assistance with lost crypto. Contact: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Email: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 17.10.25 21:42 marcushenderson624

    Bitcoin Recovery Testimonial After falling victim to a cryptocurrency scam group, I lost $354,000 worth of USDT. I thought all hope was lost from the experience of losing my hard-earned money to scammers. I was devastated and believed there was no way to recover my funds. Fortunately, I started searching for help to recover my stolen funds and I came across a lot of testimonials online about Capital Crypto Recovery, an agent who helps in recovery of lost bitcoin funds, I contacted Capital Crypto Recover Service, and with their expertise, they successfully traced and recovered my stolen assets. Their team was professional, kept me updated throughout the process, and demonstrated a deep understanding of blockchain transactions and recovery protocols. They are trusted and very reliable with a 100% successful rate record Recovery bitcoin, I’m grateful for their help and highly recommend their services to anyone seeking assistance with lost crypto. Contact: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Email: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 17.10.25 21:42 marcushenderson624

    Bitcoin Recovery Testimonial After falling victim to a cryptocurrency scam group, I lost $354,000 worth of USDT. I thought all hope was lost from the experience of losing my hard-earned money to scammers. I was devastated and believed there was no way to recover my funds. Fortunately, I started searching for help to recover my stolen funds and I came across a lot of testimonials online about Capital Crypto Recovery, an agent who helps in recovery of lost bitcoin funds, I contacted Capital Crypto Recover Service, and with their expertise, they successfully traced and recovered my stolen assets. Their team was professional, kept me updated throughout the process, and demonstrated a deep understanding of blockchain transactions and recovery protocols. They are trusted and very reliable with a 100% successful rate record Recovery bitcoin, I’m grateful for their help and highly recommend their services to anyone seeking assistance with lost crypto. Contact: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Email: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 21.10.25 08:39 debby131

    Given how swiftly the cryptocurrency market moves, losing USDT may be a terrifying and upsetting experience. Whether you experienced a technical problem, a transaction error, or were the victim of fraud, it is important to understand the potential recovery routes. Marie can assist you in determining the specific actions you can take to attempt to regain your lost USDT when you need guidance and clarification. You can reach her via email at [email protected] and WhatsApp at +1 7127594675.

  • 21.10.25 11:45 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 21.10.25 11:45 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 22.10.25 04:48 MATT PHILLIP

    I never imagined I’d fall for a crypto romance scam but it happened. Over the course of a few months, I sent nearly $150,000 worth of Bitcoin to someone I genuinely believed I was building a future with. When they disappeared without a trace, I was left heartbroken, humiliated, and financially devastated. For a long time, I didn’t tell anyone. I felt ashamed. But eventually, while searching for answers, I came across a Reddit thread that mentioned Agent Jasmine Lopez. I reached out, not expecting much. To my surprise, she treated me with kindness, not judgment. She used advanced tools like blockchain forensics, IP tracing, and smart contract analysis and with persistence and legal support, she was able to recover nearly 85% of what I lost. I know not everyone gets that kind of outcome, but thanks to [email protected] WhatsApp at +44 736-644-5035, I’ve started to reclaim not just my assets, but my confidence and peace of mind. If you’re going through something similar, you’re not alone and there is hope.

  • 22.10.25 07:36 donnacollier

    HOW I RECOVERED MY BITCOIN FROM CRYPTO INVESTMENT SCAM HOW I RECOVERED MY BITCOIN FROM CRYPTO INVESTMENT SCAM Hello everyone l’m by name Donna collier I live in urbandale 3 weeks ago was the darkest days of my life, i invested my hard earned money the sum of $123,000 into a crypto currency platform I was introduced to by a friend I met online everything happen so fast I was promised 300% of return of investment when it was time for me to cash out my investment and profit the platform was down I was so diversitated confused and tried to end it all then I came across upswing Ai a renowned expert in crypto currency and digital assets recovery at first it seem impossible after taking up my case within the the next 48 hours they where able to track down those fraud stars and recover my money I can’t recommend them enough to any one facing likewise change I will recommend you contact upswing Ai on Contact Details: WhatsApp +,1,2,0,2,8,1,0,1,4,0,7 E m a i l @Upswing-ai.com Website https: // u psw ing-ai. com/ platform /

  • 22.10.25 11:59 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 22.10.25 11:59 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 22.10.25 16:31 MATT PHILLIP

    I never imagined I’d fall for a crypto romance scam but it happened. Over the course of a few months, I sent nearly $150,000 worth of Bitcoin to someone I genuinely believed I was building a future with. When they disappeared without a trace, I was left heartbroken, humiliated, and financially devastated. For a long time, I didn’t tell anyone. I felt ashamed. But eventually, while searching for answers, I came across a Reddit thread that mentioned Agent Jasmine Lopez. I reached out, not expecting much. To my surprise, she treated me with kindness, not judgment. She used advanced tools like blockchain forensics, IP tracing, and smart contract analysis and with persistence and legal support, she was able to recover nearly 85% of what I lost. I know not everyone gets that kind of outcome, but thanks to [email protected] WhatsApp at +44 736-644-5035, I’ve started to reclaim not just my assets, but my confidence and peace of mind. If you’re going through something similar, you’re not alone and there is hope.

  • 23.10.25 01:52 marcushenderson624

    Bitcoin Recovery Testimonial After falling victim to a cryptocurrency scam group, I lost $354,000 worth of USDT. I thought all hope was lost from the experience of losing my hard-earned money to scammers. I was devastated and believed there was no way to recover my funds. Fortunately, I started searching for help to recover my stolen funds and I came across a lot of testimonials online about Capital Crypto Recovery, an agent who helps in recovery of lost bitcoin funds, I contacted Capital Crypto Recover Service, and with their expertise, they successfully traced and recovered my stolen assets. Their team was professional, kept me updated throughout the process, and demonstrated a deep understanding of blockchain transactions and recovery protocols. They are trusted and very reliable with a 100% successful rate record Recovery bitcoin, I’m grateful for their help and highly recommend their services to anyone seeking assistance with lost crypto. Contact: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Email: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 23.10.25 01:52 marcushenderson624

    Bitcoin Recovery Testimonial After falling victim to a cryptocurrency scam group, I lost $354,000 worth of USDT. I thought all hope was lost from the experience of losing my hard-earned money to scammers. I was devastated and believed there was no way to recover my funds. Fortunately, I started searching for help to recover my stolen funds and I came across a lot of testimonials online about Capital Crypto Recovery, an agent who helps in recovery of lost bitcoin funds, I contacted Capital Crypto Recover Service, and with their expertise, they successfully traced and recovered my stolen assets. Their team was professional, kept me updated throughout the process, and demonstrated a deep understanding of blockchain transactions and recovery protocols. They are trusted and very reliable with a 100% successful rate record Recovery bitcoin, I’m grateful for their help and highly recommend their services to anyone seeking assistance with lost crypto. Contact: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Email: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 23.10.25 15:47 MATT PHILLIP

    I never imagined I’d fall for a crypto romance scam but it happened. Over the course of a few months, I sent nearly $150,000 worth of Bitcoin to someone I genuinely believed I was building a future with. When they disappeared without a trace, I was left heartbroken, humiliated, and financially devastated. For a long time, I didn’t tell anyone. I felt ashamed. But eventually, while searching for answers, I came across a Reddit thread that mentioned Agent Jasmine Lopez. I reached out, not expecting much. To my surprise, she treated me with kindness, not judgment. She used advanced tools like blockchain forensics, IP tracing, and smart contract analysis and with persistence and legal support, she was able to recover nearly 85% of what I lost. I know not everyone gets that kind of outcome, but thanks to [email protected] WhatsApp at +44 736-644-5035, I’ve started to reclaim not just my assets, but my confidence and peace of mind. If you’re going through something similar, you’re not alone and there is hope.

  • 23.10.25 21:43 patricialovick86

    How To Recover Your Bitcoin Without Falling Victim To Scams: A  Testimony Experience With Capital Crypto Recover Services, Contact Telegram: @Capitalcryptorecover Dear Everyone, I would like to take a moment to share my positive experience with Capital Crypto Recover Services. Initially, I was unsure if it would be possible to recover my stolen bitcoins. However, with their expertise and professionalism, I was able to fully recover my funds. Unfortunately, many individuals fall victim to scams in the cryptocurrency space, especially those involving fraudulent investment platforms. However, I advise caution, as not all recovery services are legitimate. I personally lost $273,000 worth of Bitcoin from my Binance account due to a deceptive platform. If you have suffered a similar loss, you may be considering crypto recovery, The Capital Crypto Recover is the most knowledgeable and effective Capital Crypto Recovery Services assisted me in recovering my stolen funds within 24 hours, after getting access to my wallet. Their service was not only prompt but also highly professional and effective, and many recovery services may not be trustworthy. Therefore, I highly recommend Capital Crypto Recover to you. i do always research and see reviews about their service, For assistance finding your misplaced cryptocurrency, get in touch with them, They do their jobs quickly and excellently, Stay safe and vigilant in the crypto world. Contact: [email protected]  You can reach them via email at [email protected] OR Call/Text Number +1 (336)390-6684 his contact website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 23.10.25 21:43 patricialovick86

    How To Recover Your Bitcoin Without Falling Victim To Scams: A  Testimony Experience With Capital Crypto Recover Services, Contact Telegram: @Capitalcryptorecover Dear Everyone, I would like to take a moment to share my positive experience with Capital Crypto Recover Services. Initially, I was unsure if it would be possible to recover my stolen bitcoins. However, with their expertise and professionalism, I was able to fully recover my funds. Unfortunately, many individuals fall victim to scams in the cryptocurrency space, especially those involving fraudulent investment platforms. However, I advise caution, as not all recovery services are legitimate. I personally lost $273,000 worth of Bitcoin from my Binance account due to a deceptive platform. If you have suffered a similar loss, you may be considering crypto recovery, The Capital Crypto Recover is the most knowledgeable and effective Capital Crypto Recovery Services assisted me in recovering my stolen funds within 24 hours, after getting access to my wallet. Their service was not only prompt but also highly professional and effective, and many recovery services may not be trustworthy. Therefore, I highly recommend Capital Crypto Recover to you. i do always research and see reviews about their service, For assistance finding your misplaced cryptocurrency, get in touch with them, They do their jobs quickly and excellently, Stay safe and vigilant in the crypto world. Contact: [email protected]  You can reach them via email at [email protected] OR Call/Text Number +1 (336)390-6684 his contact website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 24.10.25 06:08 MATT PHILLIP

    I never imagined I’d fall for a crypto romance scam but it happened. Over the course of a few months, I sent nearly $150,000 worth of Bitcoin to someone I genuinely believed I was building a future with. When they disappeared without a trace, I was left heartbroken, humiliated, and financially devastated. For a long time, I didn’t tell anyone. I felt ashamed. But eventually, while searching for answers, I came across a Reddit thread that mentioned Agent Jasmine Lopez. I reached out, not expecting much. To my surprise, she treated me with kindness, not judgment. She used advanced tools like blockchain forensics, IP tracing, and smart contract analysis and with persistence and legal support, she was able to recover nearly 85% of what I lost. I know not everyone gets that kind of outcome, but thanks to [email protected] WhatsApp at +44 736-644-5035, I’ve started to reclaim not just my assets, but my confidence and peace of mind. If you’re going through something similar, you’re not alone and there is hope.

  • 24.10.25 06:40 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 24.10.25 06:40 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 24.10.25 06:54 MATT PHILLIP

    I never imagined I’d fall for a crypto romance scam but it happened. Over the course of a few months, I sent nearly $150,000 worth of Bitcoin to someone I genuinely believed I was building a future with. When they disappeared without a trace, I was left heartbroken, humiliated, and financially devastated. For a long time, I didn’t tell anyone. I felt ashamed. But eventually, while searching for answers, I came across a Reddit thread that mentioned Agent Jasmine Lopez. I reached out, not expecting much. To my surprise, she treated me with kindness, not judgment. She used advanced tools like blockchain forensics, IP tracing, and smart contract analysis and with persistence and legal support, she was able to recover nearly 85% of what I lost. I know not everyone gets that kind of outcome, but thanks to [email protected] WhatsApp at +44 736-644-5035, I’ve started to reclaim not just my assets, but my confidence and peace of mind. If you’re going through something similar, you’re not alone and there is hope.

  • 24.10.25 18:18 patricialovick86

    How To Recover Your Bitcoin Without Falling Victim To Scams: A  Testimony Experience With Capital Crypto Recover Services, Contact Telegram: @Capitalcryptorecover Dear Everyone, I would like to take a moment to share my positive experience with Capital Crypto Recover Services. Initially, I was unsure if it would be possible to recover my stolen bitcoins. However, with their expertise and professionalism, I was able to fully recover my funds. Unfortunately, many individuals fall victim to scams in the cryptocurrency space, especially those involving fraudulent investment platforms. However, I advise caution, as not all recovery services are legitimate. I personally lost $273,000 worth of Bitcoin from my Binance account due to a deceptive platform. If you have suffered a similar loss, you may be considering crypto recovery, The Capital Crypto Recover is the most knowledgeable and effective Capital Crypto Recovery Services assisted me in recovering my stolen funds within 24 hours, after getting access to my wallet. Their service was not only prompt but also highly professional and effective, and many recovery services may not be trustworthy. Therefore, I highly recommend Capital Crypto Recover to you. i do always research and see reviews about their service, For assistance finding your misplaced cryptocurrency, get in touch with them, They do their jobs quickly and excellently, Stay safe and vigilant in the crypto world. Contact: [email protected]  You can reach them via email at [email protected] OR Call/Text Number +1 (336)390-6684 his contact website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 24.10.25 18:18 patricialovick86

    How To Recover Your Bitcoin Without Falling Victim To Scams: A  Testimony Experience With Capital Crypto Recover Services, Contact Telegram: @Capitalcryptorecover Dear Everyone, I would like to take a moment to share my positive experience with Capital Crypto Recover Services. Initially, I was unsure if it would be possible to recover my stolen bitcoins. However, with their expertise and professionalism, I was able to fully recover my funds. Unfortunately, many individuals fall victim to scams in the cryptocurrency space, especially those involving fraudulent investment platforms. However, I advise caution, as not all recovery services are legitimate. I personally lost $273,000 worth of Bitcoin from my Binance account due to a deceptive platform. If you have suffered a similar loss, you may be considering crypto recovery, The Capital Crypto Recover is the most knowledgeable and effective Capital Crypto Recovery Services assisted me in recovering my stolen funds within 24 hours, after getting access to my wallet. Their service was not only prompt but also highly professional and effective, and many recovery services may not be trustworthy. Therefore, I highly recommend Capital Crypto Recover to you. i do always research and see reviews about their service, For assistance finding your misplaced cryptocurrency, get in touch with them, They do their jobs quickly and excellently, Stay safe and vigilant in the crypto world. Contact: [email protected]  You can reach them via email at [email protected] OR Call/Text Number +1 (336)390-6684 his contact website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 25.10.25 00:49 tyleradams

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  • 25.10.25 00:50 stevekalfman

    If you ever need hacking services, look no further. I found myself in a difficult situation after losing almost $510,000 USD in bitcoin. I was distraught and had no hope of survival because i lost my life savings to this scam, I had no chance of recovering my investment. Until i came across an article on google about ([email protected]). A real-life recovery expert, everything changed completely after contacting him and explaining my ordeal to him and he quickly stepped in and assisted me in recovering 95% of my lost funds. They guarantee their clients and i got the highest level of happiness their services are highly recommended. so I’m putting this here for anyone who require their services too" Email: [email protected]

  • 25.10.25 05:05 victoriabenny463

    A few months ago, I fell for what looked like a legitimate online trading platform. The website was sleek, the support team was responsive, and they even showed me fake profit charts that seemed to grow daily. I started small, and after a few test withdrawals worked, I invested more eventually depositing 2 Bitcoin in hopes of long-term returns. But one morning, when I tried to withdraw, everything changed. The platform suddenly locked my account, claiming there were additional fees to release my funds. The support chat stopped responding, and the website started giving error messages. That’s when I realized I’d been scammed. I was devastated. Two Bitcoins wasn’t pocket change, it was my savings. I filed reports online, but everyone told me it was impossible to recover crypto once it’s sent. Then, through a discussion forum, I came across Dexdert Net Recovery, a team specializing in tracing and recovering stolen digital assets. Skeptical but desperate, I reached out. Their response was immediate and professional. They asked for transaction IDs, wallet addresses, screenshots of my correspondence with the fake platform, and any proof of payment I had. Within days, their analysts traced the stolen Bitcoin through multiple wallets using blockchain forensics, They updated me step-by-step, Working with their recovery experts and blockchain partners, Dexdert Net Recovery successfully froze the funds and verified ownership of my wallet. After 2 days of persistence and verification, I finally saw my 2 Bitcoin restored back into my own wallet. I couldn’t believe it. What stood out most wasn’t just that they recovered my funds, but how transparent and supportive the Dexdert team was throughout the process. They educated me on crypto safety, how to spot fake trading sites, and how to secure my digital assets in the future. Dexdert Net Recovery truly lives up to its name. They gave me back not just my Bitcoin, but my peace of mind. Reach Out Information Below Via: Email: ([email protected]) Telegram: (https://t.me/Dexdertprorecovery) WhatsApp: (+1 (859) 609‑4156)

  • 25.10.25 10:13 wendytaylor015

    My name is Wendy Taylor, I'm from Los Angeles, i want to announce to you Viewer how Capital Crypto Recover help me to restore my Lost Bitcoin, I invested with a Crypto broker without proper research to know what I was hoarding my hard-earned money into scammers, i lost access to my crypto wallet or had your funds stolen? Don’t worry Capital Crypto Recover is here to help you recover your cryptocurrency with cutting-edge technical expertise, With years of experience in the crypto world, Capital Crypto Recover employs the best latest tools and ethical hacking techniques to help you recover lost assets, unlock hacked accounts, Whether it’s a forgotten password, Capital Crypto Recover has the expertise to help you get your crypto back. a security company service that has a 100% success rate in the recovery of crypto assets, i lost wallet and hacked accounts. I provided them the information they requested and they began their investigation. To my surprise, Capital Crypto Recover was able to trace and recover my crypto assets successfully within 24hours. Thank you for your service in helping me recover my $647,734 worth of crypto funds and I highly recommend their recovery services, they are reliable and a trusted company to any individuals looking to recover lost money. Contact email [email protected] OR Telegram @Capitalcryptorecover Call/Text Number +1 (336)390-6684 his contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 25.10.25 10:13 wendytaylor015

    My name is Wendy Taylor, I'm from Los Angeles, i want to announce to you Viewer how Capital Crypto Recover help me to restore my Lost Bitcoin, I invested with a Crypto broker without proper research to know what I was hoarding my hard-earned money into scammers, i lost access to my crypto wallet or had your funds stolen? Don’t worry Capital Crypto Recover is here to help you recover your cryptocurrency with cutting-edge technical expertise, With years of experience in the crypto world, Capital Crypto Recover employs the best latest tools and ethical hacking techniques to help you recover lost assets, unlock hacked accounts, Whether it’s a forgotten password, Capital Crypto Recover has the expertise to help you get your crypto back. a security company service that has a 100% success rate in the recovery of crypto assets, i lost wallet and hacked accounts. I provided them the information they requested and they began their investigation. To my surprise, Capital Crypto Recover was able to trace and recover my crypto assets successfully within 24hours. Thank you for your service in helping me recover my $647,734 worth of crypto funds and I highly recommend their recovery services, they are reliable and a trusted company to any individuals looking to recover lost money. Contact email [email protected] OR Telegram @Capitalcryptorecover Call/Text Number +1 (336)390-6684 his contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 26.10.25 01:03 Christopherbelle

    A terrible financial shock hit me hard. I lost $860,000 in a fake crypto scheme. Things looked good until I tried to cash out my earnings. Suddenly, my account vanished into thin air. I told the police many times, but help never showed up. Despair washed over me; I felt totally beaten. Then, I found Sylvester Bryant Intelligence. Right away, they were skilled and honest about the whole thing. They looked deep into my situation. They tracked where the stolen funds went. They fought hard for me every step of the way. To my great surprise, they got my money back. I thought that was impossible. I owe them so much for their hard work and truthfulness. Sylvester Bryant Intelligence restored my peace. If scams took your crypto, contact them now. Contact Info: Yt7cracker@gmail . com WhatsApp: ‪+1 512 577 7957. or +44 7428 662701.

  • 26.10.25 18:09 victoriabenny463

    A few months ago, I fell for what looked like a legitimate online trading platform. The website was sleek, the support team was responsive, and they even showed me fake profit charts that seemed to grow daily. I started small, and after a few test withdrawals worked, I invested more eventually depositing 2 Bitcoin in hopes of long-term returns. But one morning, when I tried to withdraw, everything changed. The platform suddenly locked my account, claiming there were additional fees to release my funds. The support chat stopped responding, and the website started giving error messages. That’s when I realized I’d been scammed. I was devastated. Two Bitcoins wasn’t pocket change, it was my savings. I filed reports online, but everyone told me it was impossible to recover crypto once it’s sent. Then, through a discussion forum, I came across Dexdert Net Recovery, a team specializing in tracing and recovering stolen digital assets. Skeptical but desperate, I reached out. Their response was immediate and professional. They asked for transaction IDs, wallet addresses, screenshots of my correspondence with the fake platform, and any proof of payment I had. Within days, their analysts traced the stolen Bitcoin through multiple wallets using blockchain forensics, They updated me step-by-step, Working with their recovery experts and blockchain partners, Dexdert Net Recovery successfully froze the funds and verified ownership of my wallet. After 2 days of persistence and verification, I finally saw my 2 Bitcoin restored back into my own wallet. I couldn’t believe it. What stood out most wasn’t just that they recovered my funds, but how transparent and supportive the Dexdert team was throughout the process. They educated me on crypto safety, how to spot fake trading sites, and how to secure my digital assets in the future. Dexdert Net Recovery truly lives up to its name. They gave me back not just my Bitcoin, but my peace of mind. Reach Out Information Below Via: Email: ([email protected]) Telegram: (https://t.me/Dexdertprorecovery) WhatsApp: (+1 (859) 609‑4156)

  • 27.10.25 11:15 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 27.10.25 11:15 harristhomas7376

    "In the crypto world, this is great news I want to share. Last year, I fell victim to a scam disguised as a safe investment option. I have invested in crypto trading platforms for about 10yrs thinking I was ensuring myself a retirement income, only to find that all my assets were either frozen, I believed my assets were secure — until I discovered that my BTC funds had been frozen and withdrawals were impossible. It was a devastating moment when I realized I had been scammed, and I thought my Bitcoin was gone forever, Everything changed when a close friend recommended the Capital Crypto Recover Service. Their professionalism, expertise, and dedication enabled me to recover my lost Bitcoin funds back — more than €560.000 DEM to my BTC wallet. What once felt impossible became a reality thanks to their support. If you have lost Bitcoin through scams, hacking, failed withdrawals, or similar challenges, don’t lose hope. I strongly recommend Capital Crypto Recover Service to anyone seeking a reliable and effective solution for recovering any wallet assets. They have a proven track record of successful reputation in recovering lost password assets for their clients and can help you navigate the process of recovering your funds. Don’t let scammers get away with your hard-earned money – contact Email: [email protected] Phone CALL/Text Number: +1 (336) 390-6684 Contact: [email protected] Website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 27.10.25 17:08 raymondgonzales

    Three Cheers for Wizard Hilton Cyber Tech, Bitcoin Savior Extraordinaire In the ever-evolving world of cryptocurrency, where volatility and uncertainty reign supreme, one individual has emerged as a beacon of hope and innovation - Wizard Hilton Cyber Tech, the self-proclaimed "Bitcoin Savior Extraordinaire." This enigmatic figure, with his uncanny ability to navigate the complexities of the digital asset landscape, has captivated the attention of crypto enthusiasts and skeptics alike. Wizard Hilton Cyber Tech journey began as a humble programmer, tinkering with the underlying blockchain technology that powers Bitcoin. But it was his visionary approach and unwavering commitment to the cryptocurrency's potential that propelled him into the limelight. Through a series of strategic investments, groundbreaking algorithmic trading strategies, and a knack for anticipating market shifts, Wizard Hilton Cyber Tech has managed to consistently outperform even the savviest of Wall Street traders. Wizard Hilton Cyber Tech ability to turn even the most tumultuous of Bitcoin price swings into opportunities for substantial gains has earned him the moniker "Wizard," a testament to his unparalleled mastery of the digital currency realm. But Wizard Hilton Cyber Tech impact extends far beyond personal wealth accumulation - Wizard Hilton Cyber Tech has tirelessly advocated for the widespread adoption of Bitcoin, working tirelessly to educate the public, lobby policymakers, and collaborate with industry leaders to overcome the barriers that have long hindered the cryptocurrency's mainstream acceptance. With infectious enthusiasm and boundless energy, Wizard Hilton Cyber Tech has become a true champion of the Bitcoin cause, inspiring a new generation of crypto enthusiasts to embrace the transformative power of this revolutionary technology. As the digital currency landscape continues to evolve, Wizard Hilton Cyber Tech name will undoubtedly be etched in the annals of cryptocurrency history as a visionary, a trailblazer, and, above all, the Bitcoin Savior Extraordinaire. To get your stolen bitcoin back, reach out to Wizard Hilton Cyber Tech via: Email : wizardhiltoncybertech ( @ ) gmail (. ) com WhatsApp number  +18737715701 Good Day.

  • 27.10.25 17:20 fatimanorth

    The Federal Trade Commission said that more than $1 billion had been lost to cryptocurrency scams in 2023. Victims frequently lose everything, including hope, trust, and wealth. When your hard-earned money disappears into digital shadows, you feel trapped. Nowadays, cryptocurrency frauds are very common. You can get help from recovery specialist Marie at [email protected] and via WhatsApp at +1 7127594675.

  • 28.10.25 00:55 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 28.10.25 00:55 elizabethrush89

    God bless Capital Crypto Recover Services for the marvelous work you did in my life, I have learned the hard way that even the most sensible investors can fall victim to scams. When my USD was stolen, for anyone who has fallen victim to one of the bitcoin binary investment scams that are currently ongoing, I felt betrayal and upset. But then I was reading a post on site when I saw a testimony of Wendy Taylor online who recommended that Capital Crypto Recovery has helped her recover scammed funds within 24 hours. after reaching out to this cyber security firm that was able to help me recover my stolen digital assets and bitcoin. I’m genuinely blown away by their amazing service and professionalism. I never imagined I’d be able to get my money back until I complained to Capital Crypto Recovery Services about my difficulties and gave all of the necessary paperwork. I was astounded that it took them 12 hours to reclaim my stolen money back. Without a doubt, my USDT assets were successfully recovered from the scam platform, Thank you so much Sir, I strongly recommend Capital Crypto Recover for any of your bitcoin recovery, digital funds recovery, hacking, and cybersecurity concerns. You reach them Call/Text Number +1 (336)390-6684 His Email: [email protected] Contact Telegram: @Capitalcryptorecover Via Contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 29.10.25 03:43 Christopherbelle

    A sudden money crisis struck me. I dropped $82,000 to a phony crypto scam. All seemed fine until I went to pull out my gains. Then, i was unable to get back my hard earned money. I reported it to the police several times. No aid came my way. Deep sadness hit me; I felt crushed. That's when I learned about Sylvester Bryant Intelligence. They acted quick and fair from the start. They checked my case closely. They followed the path of my lost cash. They pushed strong for me at each turn. In shock, they brought my funds back. I had figured it could not happen. I thank them for their effort and honesty. Sylvester Bryant Intelligence gave me calm again. If a scam stole your crypto, reach out to them today. Contact Info: Yt7cracker@gmail . com WhatsApp: +1 512 577 7957 or +44 7428 662701.

  • 29.10.25 10:56 wendytaylor015

    My name is Wendy Taylor, I'm from Los Angeles, i want to announce to you Viewer how Capital Crypto Recover help me to restore my Lost Bitcoin, I invested with a Crypto broker without proper research to know what I was hoarding my hard-earned money into scammers, i lost access to my crypto wallet or had your funds stolen? Don’t worry Capital Crypto Recover is here to help you recover your cryptocurrency with cutting-edge technical expertise, With years of experience in the crypto world, Capital Crypto Recover employs the best latest tools and ethical hacking techniques to help you recover lost assets, unlock hacked accounts, Whether it’s a forgotten password, Capital Crypto Recover has the expertise to help you get your crypto back. a security company service that has a 100% success rate in the recovery of crypto assets, i lost wallet and hacked accounts. I provided them the information they requested and they began their investigation. To my surprise, Capital Crypto Recover was able to trace and recover my crypto assets successfully within 24hours. Thank you for your service in helping me recover my $647,734 worth of crypto funds and I highly recommend their recovery services, they are reliable and a trusted company to any individuals looking to recover lost money. Contact email [email protected] OR Telegram @Capitalcryptorecover Call/Text Number +1 (336)390-6684 his contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 29.10.25 10:56 wendytaylor015

    My name is Wendy Taylor, I'm from Los Angeles, i want to announce to you Viewer how Capital Crypto Recover help me to restore my Lost Bitcoin, I invested with a Crypto broker without proper research to know what I was hoarding my hard-earned money into scammers, i lost access to my crypto wallet or had your funds stolen? Don’t worry Capital Crypto Recover is here to help you recover your cryptocurrency with cutting-edge technical expertise, With years of experience in the crypto world, Capital Crypto Recover employs the best latest tools and ethical hacking techniques to help you recover lost assets, unlock hacked accounts, Whether it’s a forgotten password, Capital Crypto Recover has the expertise to help you get your crypto back. a security company service that has a 100% success rate in the recovery of crypto assets, i lost wallet and hacked accounts. I provided them the information they requested and they began their investigation. To my surprise, Capital Crypto Recover was able to trace and recover my crypto assets successfully within 24hours. Thank you for your service in helping me recover my $647,734 worth of crypto funds and I highly recommend their recovery services, they are reliable and a trusted company to any individuals looking to recover lost money. Contact email [email protected] OR Telegram @Capitalcryptorecover Call/Text Number +1 (336)390-6684 his contact: [email protected] His website: https://recovercapital.wixsite.com/capital-crypto-rec-1

  • 30.10.25 09:49 Christopherbelle

    I suffered a huge money blow when $80,000 slipped away in a bogus crypto plot. It all looked great at first. Then I went to pull out my gains, and poof—my account was gone. I kept telling the cops about it, but they did zip. I felt shattered and lost. That's when I stumbled on Sylvester Bryant Intelligence. Things turned around fast. Right away, they showed clear steps, sharp know-how, and real drive to fix it. They tracked my missing cash step by step and pushed hard till they got it back. I swear, I figured it was a lost cause. Their straight-up work and trust brought back my calm. If a scam stole your crypto, reach out to them now. yt7cracker@gmail . com | WhatsApp: +1 512 577 7957 or +44 7428 662701

  • 30.10.25 12:03 elizabethrush89

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