Monitoring

Bent Finance

MEDIUMEthereum·Backdoor Contract·#507 all-time
$1.8M stolenTuesday, December 21, 2021 · 1769 days ago

Corpus updated 2026-10-25

What happened

  • Bent Finance, a defi protocol, lost $1.8M on December 21, 2021.

  • The 78th largest of the 127 incidents recorded in 2021: under 1% of the $2.87B lost to hacks that year.

  • 2 other incidents were recorded the same day, the largest Gamma ($8.2M).

  • Backdoor Contract is behind 8 recorded incidents totalling $38.1M; this is the 5th largest of them.

Cite this record

Monitoring Room, "Bent Finance hack — $1.8M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/bent-finance

Nearby in the record

Gamma
12/21/2021$8.2M
Monkey Kingdom
12/23/2021$1.3M
Gamma
12/21/2021$4.5M
SashimiSwap
12/30/2021$210K
Grim Finance
12/18/2021$30.0M
Tinyman
1/1/2022$3.0M
← All incidents

Source: DefiLlama · 1317 recorded incidents · data as of 2026-10-25 08:00 UTC