Monitoring

Ronin Bridge

CRITICALEthereum·Validator Key Compromised·#3 all-time
$624.0M stolenWednesday, March 23, 2022 · 1677 days ago

Corpus updated 2026-10-25

What happened

  • Ronin Bridge, a defi protocol, lost $624.0M on March 23, 2022.

  • The largest of the 185 incidents recorded in 2022: 17% of the $3.63B lost to hacks that year.

  • One other incident was recorded the same day: Cashio ($52.8M).

  • The first of 2 recorded incidents at Ronin Bridge; the next followed in August 2024, $12.0M.

  • Validator Key Compromised is behind 11 recorded incidents totalling $893.3M; this is the largest of them.

Cite this record

Monitoring Room, "Ronin Bridge hack (2022) — $624.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/ronin-bridge

Other recorded incidents at Ronin Bridge

DefiLlama records 2 separate incidents under this name.

Ronin Bridge — 2024
Ethereum$12.0M

Nearby in the record

LI.FI
3/21/2022$600K
Cashio
3/23/2022$52.8M
One Ring Finance
3/21/2022$1.4M
Auctus
3/26/2022$726K
Umbrella Network
3/20/2022$700K
Revest Finance
3/27/2022$2.0M
← All incidents

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