- The hacker sent 11 batches of 100 ether to Tornado Cash over a two-hour period.
- The wallet also sent $32 million worth of bitcoin to an unlabelled wallet last week.
UnmuteOver $67M in Crypto Lost to Hacks and Exploits in February: Immunefi Report00:59Running With Crypto: 5 Questions With TRM Labs' Ari Redbord09:43Hacks Involving North Korea Are 'Even Greater Problem': Legal Experts02:01Breaking Down the State of Hacking in 202400:59Crypto Hack Volumes Fell by More Than 50% in 2023: TRM LabsA hacker that
stole $125 million from Poloniex's hot wallets in November has sent 1,100 ether
(ETH) to sanctioned coin mixer Tornado Cash, according to
blockchain data.The ether, worth roughly $3.3 million, was sent to Tornado Cash in 100 ETH batches on Tuesday, having been dormant for 178 days.The Poloniex hacker also sent 501 bitcoin
(BTC) worth $32 million to an unlabelled wallet on April 30. It still holds a total of $181 million worth of crypto across various blockchains, Arkham
data shows.Tornado Cash is a protocol that allows users to obfuscate crypto tokens by mixing assets across multiple wallets over a prolonged period of time. It was
sanctioned by the U.S. Treasury Department in 2022 shortly after it was used by North Korean hacking group Lazarus, which attempted to hide funds secured from the
$625 million Axie Infinity exploit.Blockchain security firm Elliptic said in March that
Lazarus Group used Tornado Cash to launder $12 million from the Heco Bridge hack, which occurred shortly after the Poloniex Hack.Edited by Parikshit Mishra.
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