Hack history / Crypto hacks on Polygon
Crypto hacks on Polygon
Every recorded theft on Polygon: hacks, exploits, phishing, scams and rug pulls.
Taken
$1.60B
97 thefts · $100.3M in 55 on Polygon alone; multi-chain incidents count in full on each chain
Largest
$611M
Poly Network
Through keys and infrastructure
32%
of dollars taken
Largest thefts
Poly Network 2021-08-10 · Hack or exploit · Improper Access Control$611MVulcan Forged 2021-12-13 · Hack or exploit · Hot Wallet Key Compromised$135MBalancer V2 2025-11-03 · Hack or exploit · Rounding Error$120.5MNobitex 2025-06-18 · Hack or exploit · Malware$90MAscenDEX 2021-12-11 · Hack or exploit · Hot Wallet Key Compromised$77MPhemex 2025-01-23 · Hack or exploit · Hot Wallet Key Compromised$70MCoinex 2023-09-12 · Hack or exploit · Hot Wallet Key Compromised$70MEasyFi 2021-04-19 · Hack or exploit · Malware$59MOoki 2021-11-05 · Hack or exploit · Phishing$55MKyberSwap Elastic 2023-11-22 · Hack or exploit · Rounding Error$51.4MBtcTurk 2025-08-14 · Hack or exploit · Hot Wallet Key Compromised$49MStake.com 2023-09-04 · Hack or exploit · Hot Wallet Key Compromised$41.3MMonoX 2021-11-30 · Hack or exploit · Swap Logic Flaw$31MIndodax 2024-09-10 · Hack or exploit · Key Leaked via Infrastructure$22MBitoPro 2025-05-08 · Hack or exploit · Key Leaked via Infrastructure$11.5M
Most recent
Polymarket International 2026-10-29 · Hack or exploit · Supply Chain Attack$2.7MGamdom 2026-10-13 · Hack or exploit · Key Leaked via Infrastructure$4.2MBitBay 2026-10-09 · Hack or exploit · Withdrawal Logic Flaw$15KMALT 2026-10-03 · Hack or exploit · Smart Contract Vulnerability$72KLimit Break Payment Processor 2026-09-24 · Hack or exploit · Token Approval Abuse$1.8MDoinGud 2026-09-21 · Hack or exploit · Swap Logic Flaw$35KGaslessReservoirEnabler 2026-09-21 · Hack or exploit · Smart Contract Vulnerability$23KNimiq 2026-09-16 · Hack or exploit · Signature Verification Flaw$50KChainConnect 2026-07-26 · Hack or exploit · Improper Access Control$650KPolymarket International 2026-06-25 · Hack or exploit · Frontend Compromise$3M
How attackers got in
Smart contract bug 46$846.2M
Keys, accounts and infrastructure 21$512.8M
Phishing and scams 7$212.9M
Bridge and cross-chain 3$12M
Insiders: rug pulls, frauds, collapses 6$8.1M
Price, oracle and governance 9$5.4M
Other 5$3.3M
By year
2026 22$19.1M
2025 9$351.2M
2024 12$34.8M
2023 23$190.3M
2022 12$22.8M
2021 19$982.7M
Cite this page
SwanBluechip, "Crypto hacks on Polygon", Crypto hack history, https://swan-hack-tracker.pages.dev/history/c/polygon/ (data as of 2026-10-31).