Ooki

What happened

• Ooki, a defi protocol, lost $55.0M on November 5, 2021.

• The 16th largest of the 127 incidents recorded in 2021: 1.9% of the $2.87B lost to hacks that year.

• This is the 3rd recorded incident at Ooki; the previous one was in February 2020, $650K.

• Phishing is behind 29 recorded incidents totalling $1.03B; this is the 4th largest of them.

Cite this record

Monitoring Room, "Ooki hack (2021) — $55.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/ooki-2021

Other recorded incidents at Ooki

DefiLlama records 3 separate incidents under this name.

Nearby in the record