Hack history / 2018 / Hack or exploit
Coincheck
Hack or exploit on Jan 26, 2018 · Hot Wallet Key Compromised
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$534M
dollars at the time
Returned
none listed
as the sources state it
Rank
#9
among thefts by dollars lost
What happened
On January 26, 2018, Coincheck announced hackers stole 523 million NEM coins from its internet-connected hot wallet, which lacked adequate security controls. The exchange began reimbursing approximately 260,000 affected users.
Details
- Date
- Jan 26, 2018
- Kind
- Hack or exploit
- Method
- Hot Wallet Key Compromised
- How in
- Keys, accounts and infrastructure
- Target
- Centralized exchange
- Chains
- NEM
After the theft
- Victims reimbursed
- yes, amount not stated
“The exchange began reimbursing approximately 260,000 affected users.” (DefiLlama)
Reported by
Related incidents
Cite this page
SwanBluechip, "Coincheck hack, Jan 26, 2018: $534M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht041aa7885c/ (data as of 2026-10-31).