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Home » DeFi Protocol Tender.fi Hacker Returns $1.6M Following Pricing Oracle Glitch – CoinDesk

DeFi Protocol Tender.fi Hacker Returns $1.6M Following Pricing Oracle Glitch – CoinDesk

DeFi Protocol Tender.fi Hacker Returns $1.6M Following Pricing Oracle Glitch – CoinDesk

A white hat hacker who targeted decentralized-finance (DeFi) platform Tender.fi has returned $1.6 million that was stolen on Tuesday, receiving a 62.15 ether (ETH) bug bounty worth $850,000 instead.The attack occurred after Tender.fi upgraded its price feed to relay data from a Chainlink pricing oracle as opposed to a time-weighted average price (TWAP). Tender.fi’s code, which was audited by PeckShield, contained an error and returned a number with too many zeros behind it. That meant the attacker was able to deposit one GMX token, worth around $70, effectively tricking the system into allowing infinite borrows, according to a postmortem published on… 

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