Monitoring

Coincheck

CRITICALNEM·Hot Wallet Key Compromised·#6 all-time
$534.0M stolenFriday, January 26, 2018 · 3194 days ago

Corpus updated 2026-10-25

What happened

  • Coincheck, a centralised exchange, lost $534.0M on January 26, 2018.

  • The largest of the 31 incidents recorded in 2018: 48% of the $1.12B lost to hacks that year.

  • Hot Wallet Key Compromised is behind 60 recorded incidents totalling $3.08B; this is the largest of them.

Cite this record

Monitoring Room, "Coincheck hack — $534.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/coincheck

Nearby in the record

EtherDelta
12/20/2017$1.4M
BitGrail
2/12/2018$170.0M
Youbit
12/19/2017$0
Coinsecure
4/12/2018$3.3M
NiceHash
12/8/2017$64.0M
Gate
4/21/2018$235.0M
← All incidents

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