Crypto hacks and exploits
Polygon Crypto Hacks and Incidents
Incidents affecting assets or contracts on Polygon. Compare dates, amounts, affected services and attack mechanisms; detailed case studies provide timelines and sources.
| Date | Project | Amount, USD | Chains | Affected service | Mechanism |
|---|---|---|---|---|---|
| Poly Network Detailed case study Source ↗ | $610.0M | Ethereum, BNB Smart Chain, Polygon | DeFi protocol Bridge | Access control flaw | |
| Vulcan Forged Detailed case study Source ↗ | $140.0M | Ethereum, Polygon | DeFi protocol | Key compromise | |
| Balancer V2 Detailed case study Source ↗ | $128.0M | Ethereum, Arbitrum, Base, Polygon, Sonic, Optimism | DeFi protocol | Token and share accounting | |
| Phemex | $85.0M | Ethereum, Solana, XRP, Bitcoin, BNB Smart Chain, Sui, Base, Tron, Arbitrum, Avalanche, Polygon, Optimism, zkSync Era | Centralized exchange | Key compromise | |
| Nobitex | $82.0M | Tron, Ethereum, BNB Smart Chain, Avalanche, Arbitrum, Polygon, Bitcoin | Centralized exchange | Social engineering | |
| AscenDEX | $77.0M | Ethereum, BNB Smart Chain, Polygon | Centralized exchange | Key compromise | |
| EasyFi | $59.0M | Polygon | DeFi protocol | Social engineering | |
| CoinEx | $55.0M | Ethereum, BNB Smart Chain, Bitcoin, Tron, Kadena, Solana, Dagger, XRP, BitcoinCash, Polygon, Stellar, Arbitrum | Centralized exchange | Key compromise | |
| Ooki | $55.0M | Polygon, BNB Smart Chain | DeFi protocol | Social engineering | |
| BtcTurk | $48.0M | Ethereum, Avalanche, Arbitrum, Base, Optimism, Mantle, Polygon | Centralized exchange | Key compromise | |
| KyberSwap Elastic | $48.0M | Ethereum, Base, Polygon, Optimism, Arbitrum | DeFi protocol | Token and share accounting | |
| Stake.com | $41.3M | Ethereum, BNB Smart Chain, Polygon | Other service | Key compromise | |
| MonoX | $31.4M | Ethereum, Polygon | DeFi protocol | Protocol logic flaw | |
| Indodax | $25.2M | Ethereum, Polygon, Optimism | Centralized exchange | Frontend and infrastructure | |
| BitoPro | $11.5M | Ethereum, Tron, Solana, Polygon | Centralized exchange | Frontend and infrastructure | |
| Impermax | $9.0M | Ethereum, Polygon | DeFi protocol | Key compromise | |
| Superfluid | $8.7M | Polygon | DeFi protocol | Input validation | |
| Gamee | $7.0M | Polygon | DeFi protocol | Frontend and infrastructure | |
| Poly Network | $5.0M | Ethereum, BNB Smart Chain, Polygon | DeFi protocol Bridge | Bridges and cross-chain messages | |
| Gamdom | $4.2M | Ethereum, BNB Smart Chain, Polygon, Arbitrum, Optimism, Solana, TRON, Bitcoin | Gambling platform | Frontend and infrastructure | |
| Siren | $3.5M | Polygon | DeFi protocol | Reentrancy | |
| Dragoma | $3.5M | Polygon | DeFi protocol | Team fund withdrawal | |
| Polymarket International | $3.0M | Polygon | DeFi protocol | Frontend and infrastructure | |
| Polygon | $2.0M | Polygon | DeFi protocol | Access control flaw | |
| 0vix | $2.0M | Polygon | DeFi protocol | Oracle manipulation | |
| BonqDAO | $1.8M | Polygon | DeFi protocol | Oracle manipulation | |
| Limit Break Payment Processor | $1.8M | Ethereum, ApeChain, Polygon, Base | NFT finance service | Access control flaw | |
| Telcoin | $1.3M | Polygon | Payments service | Access control flaw | |
| Polymarket | $700K | Polygon | DeFi protocol | Key compromise | |
| Midas Capital | $660K | Polygon | DeFi protocol | Reentrancy | |
| ChainConnect | $650K | Ethereum, BNB Smart Chain, Avalanche, Polygon | DeFi protocol Bridge | Access control flaw | |
| Hashflow | $605K | Ethereum, Arbitrum, Avalanche, BNB Smart Chain, Polygon | DeFi protocol | Access control flaw | |
| Blur Finance | $600K | BNB Smart Chain, Polygon | DeFi protocol | Team fund withdrawal | |
| Polydex | $500K | Polygon | DeFi protocol | Reentrancy | |
| Polymarket | $500K | Polygon, Ethereum | DeFi protocol | Social engineering | |
| Cryptobottle | $490K | Polygon | Token | Oracle manipulation | |
| ZetaChain | $334K | Ethereum, Base, Polygon, Arbitrum, Avalanche, BNB Smart Chain | Blockchain Bridge | Access control flaw | |
| Amun | $300K | Polygon | DeFi protocol | Access control flaw | |
| KyberSwap Classic | $265K | Polygon | DeFi protocol | Frontend and infrastructure | |
| Royal.io | $263K | Polygon | NFT finance service | Token and share accounting | |
| PolyYeld Finance | $250K | Polygon | DeFi protocol | Token and share accounting | |
| Safe Dollar | $248K | Polygon | DeFi protocol | Protocol logic flaw | |
| Polycule | $230K | Polygon | DeFi protocol | Frontend and infrastructure | |
| QuickSwap Market | $220K | Polygon | DeFi protocol | Oracle manipulation | |
| Iron Finance | $170K | Polygon | DeFi protocol | Token and share accounting | |
| INK Finance | $140K | Polygon | DeFi protocol | Access control flaw | |
| Magpie Protocol | $129K | Ethereum, Polygon, BNB Smart Chain, Blast, Avalanche, Arbitrum, Optimism, Base, zkSync Era, Polygon zkEVM | DeFi protocol | Input validation | |
| Ocean Protocol | $128K | Polygon | DeFi protocol | Protocol logic flaw | |
| Quickswap V3 | $108K | Polygon | DeFi protocol | Frontend and infrastructure | |
| Huma Finance V1 Source ↗ | $101K | Polygon | DeFi protocol | Access control flaw | |
| Citizen Finance | $94K | BNB Smart Chain, Polygon | DeFi protocol | Key compromise | |
| BTC24H | $86K | Polygon | DeFi protocol | Access control flaw | |
| CheckoutPool | $86K | Polygon | DeFi protocol | Access control flaw | |
| Roe Finance | $80K | Ethereum, Polygon | DeFi protocol | Oracle manipulation | |
| Nimiq | $50K | Polygon | DeFi protocol | Input validation | |
| Equalizer Exchange | $50K | Ethereum, BNB Smart Chain, Polygon, Optimism | DeFi protocol | Protocol logic flaw | |
| DoinGud | $35K | Polygon | NFT finance service | Protocol logic flaw | |
| LunaFi | $35K | Polygon | DeFi protocol | Protocol logic flaw | |
| ElevateFi | $16K | Polygon | DeFi protocol | Oracle manipulation | |
| BitBay | $15K | Polygon | DeFi protocol | Protocol logic flaw | |
| WhaleBit | $11K | Polygon | DeFi protocol | Oracle manipulation | |
| Libertify | $230 | Ethereum, Polygon | DeFi protocol | Reentrancy | |
| Zapper | No estimate | Ethereum, Arbitrum, Optimism, Polygon, Base | DeFi protocol | Frontend and infrastructure | |
| Smoofs | No estimate | Polygon | DeFi protocol | Reentrancy |