Merlin

What happened

• Merlin, a defi protocol, lost $680K on May 26, 2021.

• The 93rd largest of the 127 incidents recorded in 2021: under 1% of the $2.87B lost to hacks that year.

• One other incident was recorded the same day: Merlin ($550K).

• The first of 3 recorded incidents at Merlin; the next followed in May 2021, $550K.

• Reward Logic Flaw is behind 28 recorded incidents totalling $37.5M; this is the 9th largest of them.

Cite this record

Monitoring Room, "Merlin hack (2021) — $680K stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/merlin

Other recorded incidents at Merlin

DefiLlama records 3 separate incidents under this name.

Nearby in the record