Hack history / 2017 / Hack or exploit
Yapizon
Hack or exploit on Apr 22, 2017 · Hot Wallet Key Compromised
SOURCES DISAGREE ON DATE OR LOSS · 2 SOURCES
Lost
$4.8M
dollars at the time
Returned
none listed
as the sources state it
Rank
#462
among thefts by dollars lost
What happened
On April 22, 2017, Yapizon suffered an attack where hackers compromised four hot wallets and stole 3,816 BTC (~$5M), representing 37% of user funds. South Korean authorities later alleged the breach was perpetrated by North Korea. Yapizon replaced lost balances with Fei tokens representing IOUs.
Details
- Date
- Apr 22, 2017
- Kind
- Hack or exploit
- Method
- Hot Wallet Key Compromised
- How in
- Keys, accounts and infrastructure
- Target
- Centralized exchange
- Chains
- Bitcoin
Reported by
Related incidents
Cite this page
SwanBluechip, "Yapizon hack, Apr 22, 2017: $4.8M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htbf1bd4702b/ (data as of 2026-10-31).