Yeld.finance
Hack or exploit on Feb 27, 2021 · Flash loan attack
What happened
The DAI pool of Yeld.finance, the DeFi revenue aggregator, was attacked by a lightning loan, resulting in a loss of 160,000 DAI, involving more than 10 users. Tether, TrueUSD and USDC were not affected. According to reports, Yeld’s problem is consistent with the previous Yearn.Finance DAI pool vulnerability problem. The official also stated that the affected users will be repaid with tokens, which will be rewarded with income from the DAI pool to make up for some of their losses. Later, Yeld.finance officially stated that the 160,000 DAI caused by the lightning loan attack has been returned. This event is suspected to be the work of a white hat, and the official will further update the details.
Details
- Date
- Feb 27, 2021
- Kind
- Hack or exploit
- Method
- Flash loan attack
- How in
- Price, oracle and governance
- Target
- not stated
- Chains
- Ethereum
Reported by
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SwanBluechip, "Yeld.finance hack, Feb 27, 2021: $160K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht8114982b03/ (data as of 2026-11-01).