Hack history / Crypto hacks on Optimism
Crypto hacks on Optimism
Every recorded theft on Optimism: hacks, exploits, phishing, scams and rug pulls.
Taken
$6.70B
40 thefts · $4.1M in 14 on Optimism alone; multi-chain incidents count in full on each chain
Largest
$6.30B
Binance CEX
Through keys and infrastructure
96%
of dollars taken
Largest thefts
Binance CEX 2026-10-29 · Hack or exploit · Key Leaked via Infrastructure$6.30BBalancer V2 2025-11-03 · Hack or exploit · Rounding Error$120.5MPhemex 2025-01-23 · Hack or exploit · Hot Wallet Key Compromised$70MKyberSwap Elastic 2023-11-22 · Hack or exploit · Rounding Error$51.4MBtcTurk 2025-08-14 · Hack or exploit · Hot Wallet Key Compromised$49MIndodax 2024-09-10 · Hack or exploit · Key Leaked via Infrastructure$22MSonne Finance 2024-05-14 · Hack or exploit · Donation Attack$20MWintermute 2022-06-05 · Hack or exploit · Improper Access Control$17.6MZapper 2025-04-01 · Hack or exploit · DNS Hijack$7.9MExactly 2023-08-18 · Hack or exploit · Improper Access Control$7.5MHundred Finance 2023-04-15 · Hack or exploit · Donation Attack$7.2MGamdom 2026-10-13 · Hack or exploit · Key Leaked via Infrastructure$4.2MKokomo Finance 2023-03-27 · Rug pull · Admin Drain$4MdForce Lending 2023-02-09 · Hack or exploit · Read-Only Reentrancy$3.6MSushiSwap 2023-04-09 · Hack or exploit · Missing Input Validation$3.3M
Most recent
Binance CEX 2026-10-29 · Hack or exploit · Key Leaked via Infrastructure$6.30BGamdom 2026-10-13 · Hack or exploit · Key Leaked via Infrastructure$4.2MCozy V2 2026-09-07 · Hack or exploit · Unknown$160KSquidMulticall 2026-04-07 · Hack or exploit · Improper Access Control$517KUniv3CollateralToken 2026-03-24 · Hack or exploit · Logic Error$57KAerodrome V1 2025-11-21 · Hack or exploit · DNS Hijack$700KMoonwell Lending 2025-11-04 · Hack or exploit · Spot Price Manipulation$1MBalancer V2 2025-11-03 · Hack or exploit · Rounding Error$120.5MCozy V2 2025-08-30 · Hack or exploit · Missing Input Validation$427KBtcTurk 2025-08-14 · Hack or exploit · Hot Wallet Key Compromised$49M
How attackers got in
Keys, accounts and infrastructure 9$6.45B
Smart contract bug 24$237.9M
Insiders: rug pulls, frauds, collapses 1$4M
Price, oracle and governance 2$1.3M
Other 2$350K
Phishing and scams 1$190K
Bridge and cross-chain 1$0
By year
2026 5$6.30B
2025 8$249.9M
2024 11$45.4M
2023 8$77.7M
2022 8$19.9M
Cite this page
SwanBluechip, "Crypto hacks on Optimism", Crypto hack history, https://swan-hack-tracker.pages.dev/history/c/optimism/ (data as of 2026-10-31).