Hack history / 2018 / Hack or exploit
Bithumb
Hack or exploit on Jun 21, 2018 · Key Leaked via Infrastructure
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$31M
dollars at the time
Returned
none listed
as the sources state it
Rank
#150
among thefts by dollars lost
What happened
On June 19-20, 2018, attackers compromised Bithumb's hot wallet and stole approximately 35,000 ETH and various other tokens worth ~$31M at the time. The attacker's method exploited infrastructure vulnerabilities to gain access to the exchange's online wallet system. Bithumb attributed the attack to Lazarus, the North Korea-linked hacker group.
Details
- Date
- Jun 21, 2018
- Kind
- Hack or exploit
- Method
- Key Leaked via Infrastructure
- How in
- Keys, accounts and infrastructure
- Target
- Centralized exchange
- Chains
- Ethereum
Reported by
Related incidents
Bithumb accidentally gives away $44 billion to customers 2026 · Costly mistake or other · $44.00B
Bithumb 2019 · Hack or exploit · $19M
Bithumb 2019 · Hack or exploit · $6.2M
Bithumb 2017 · Phishing · $1M
Bithumb 2019 · Hack or exploit · $19M
Bithumb 2019 · Hack or exploit · $6.2M
Bithumb 2017 · Phishing · $1M
Cite this page
SwanBluechip, "Bithumb hack, Jun 21, 2018: $31M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht2d3a949683/ (data as of 2026-11-01).