The exploiter who stole 20 million Optimism (OP) tokens from crypto market maker Wintermute has returned 17 million of those coins to the Optimism contract address.

Data from Etherscan show 17 transfers of 1 million OP tokens each beginning at 12:09 PM UTC with the final transaction happening at 12: 31 PM UTC Friday.

The exploiter still has 1 million OP tokens left in the wallet as of the time of publishing. The attacker previously sent 1 million coins to Ethereum co-creator Vitalik Buterin and also sold another 1 million immediately following the hack.

By returning the funds, the attacker has made good on an earlier promise to do so, albeit, 3 million tokens short. Wintermute had initially given the hacker one week to return the funds while promising not to pursue any legal actions.

The hacker was able to access the funds because Wintermute provided an undeployed multi-signature wallet to Optimism to receive a 20 million OP token grant from the latter.

© 2022 The Block Crypto, Inc. All Rights Reserved. This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.



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