The Seneca Protocol hacker has given back $5.3 million worth of Ether tokens after draining $6.4 million. Initial investigations suggested that an approval mechanism bug in the protocol’s smart contract was exploited. The stablecoin protocol had recently confirmed roping in with law enforcement but offered leniency, stating the team wouldn’t take legal steps if the hacker returned 80% of the funds, keeping 20% as a reward. The vulnerability from a function in the Seneca protocol’s smart contract code called ‘performOperations’
Source: Chayanika Deka, 2024-03-01; https://cryptopotato.com/seneca-recovers-80-of-funds-after-6-4m-exploit/