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Drift hacker washes $63M through Tornado Cash, leaving recovery claims in limbo

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Drift hacker washes $63M through Tornado Cash, leaving recovery claims in limbo

The address Etherscan labels “Drift Exploiter 5” made 258 deposits on Oct. 20, nearly emptying this wallet.

An Ethereum wallet linked to the April 1 exploit of crypto trading protocol Drift sent 25,710 ETH into the Tornado Cash mixer on Oct. 20, nearly emptying the address in its first outgoing Ethereum transactions.

The address, which Etherscan labels “Drift Exploiter 5”, held about 3.98 ETH on Oct. 20. On-chain analysis profile Lookonchain separately reported holdings of 81,864 ETH across the exploiter wallets it tracks.

The wallet made 258 successful deposits to the Tornado Cash router: 257 of 100 ETH each, followed by a final deposit of 10 ETH. Together, they moved 25,710 ETH out of the address.

The first deposit was confirmed at 07:08:35 UTC in block 26,232,203. The last followed at 09:21:35 UTC in block 26,232,865, completing the sequence in 2 and 13 minutes.

The deposits were worth about $63.1 million, based on Ethereum's average price of $2,450 as of Oct. 20.

The movement came more than six months after the April 1 attack. In its April 2 disclosure through Velocity, Drift initially estimated that approximately $280 million had been withdrawn from the protocol.

Drift’s account of the attack described a takeover of its Security Council administrative powers. It said the attacker had used durable nonce accounts to pre-sign transactions and delay their execution, obtaining unauthorized or misrepresented transaction approvals in advance.

At that point, Drift said its investigation had not found a bug in its programs or smart contracts.


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