Hack history / Crypto hacks against defi protocols
Crypto hacks against defi protocols
Every recorded theft against defi protocols: hacks, exploits, phishing, scams and rug pulls.
Taken
$9.39B
965 thefts
Largest
$624M
Ronin Bridge
Through keys and infrastructure
23%
of dollars taken
Largest thefts
Ronin Bridge 2022-03-23 · Hack or exploit · Validator Key Compromised$624MPoly Network 2021-08-10 · Hack or exploit · Improper Access Control$611MBinance Bridge 2022-10-06 · Hack or exploit · Proof Verifier Bug$570MPortal 2022-02-02 · Hack or exploit · Signature Verification Flaw$326MKelp 2026-04-18 · Hack or exploit · Cross-Chain Message Spoofing$293MPlayDapp 2024-02-09 · Hack or exploit · Hot Wallet Key Compromised$290MDrift Trade 2026-04-01 · Hack or exploit · Proxy Upgrade Hijack$285MCetus CLMM 2025-05-22 · Hack or exploit · Arithmetic Error$223MEuler V1 2023-03-13 · Hack or exploit · Donation Attack$197MNomad 2022-08-01 · Hack or exploit · Forged Proof$190MBeanstalk 2022-04-16 · Hack or exploit · Flashloan Governance Attack$182MParity Multisig 2017-11-09 · Hack or exploit · Uninitialized Proxy$150MCompound V2 2021-09-29 · Hack or exploit · Arithmetic Error$147MBXH 2021-10-30 · Hack or exploit · Private Key Compromised$139MVulcan Forged 2021-12-13 · Hack or exploit · Hot Wallet Key Compromised$135M
Most recent
Hifi Finance 2026-10-28 · Hack or exploit · Malicious Proposal$1MzkLink Nova 2026-10-28 · Hack or exploit · Cross-Chain Message Spoofing$783KFence Finance 2026-10-27 · Hack or exploit · Incorrect Share Accounting$1MZilliqa X-Bridge 2026-10-27 · Hack or exploit · Private Key CompromisedundisclosedMyriad Markets 2026-10-26 · Hack or exploit · Key Leaked via InfrastructureundisclosedYapeswap 2026-10-25 · Hack or exploit · Malicious Proposal$22KX100 2026-10-24 · Hack or exploit · Flashloan Governance Attack$4.8MWAX Multi-Chain Bridge 2026-10-22 · Hack or exploit · Missing Input Validation$90KSwell 2026-10-21 · Hack or exploit · Hot Wallet Key CompromisedundisclosedAlpsCon AI Trade Hub 2026-10-18 · Hack or exploit · Incorrect Share Accounting$153K
How attackers got in
Smart contract bug 584$4.44B
Keys, accounts and infrastructure 115$2.17B
Bridge and cross-chain 41$1.17B
Price, oracle and governance 163$1.13B
Insiders: rug pulls, frauds, collapses 35$254.4M
Phishing and scams 26$227M
Other 1$18K
By year
2026 228$1.17B
2025 118$748M
2024 160$798.3M
2023 148$818.6M
2022 141$2.98B
2021 116$2.47B
2020 30$157.3M
2019 7$10.9M
2018 15$32.2M
2017 1$150M
2016 1$60M
Cite this page
SwanBluechip, "Crypto hacks against defi protocols", Crypto hack history, https://swan-hack-tracker.pages.dev/history/t/defi-protocol/ (data as of 2026-10-31).