Crypto hacks and exploits
Arbitrum Crypto Hacks and Incidents
Incidents affecting assets or contracts on Arbitrum. Compare dates, amounts, affected services and attack mechanisms; detailed case studies provide timelines and sources.
| Date | Project | Amount, USD | Chains | Affected service | Mechanism |
|---|---|---|---|---|---|
| Kelp Detailed case study Source ↗ | $293.0M | Ethereum, Arbitrum | DeFi protocol Bridge | Bridges and cross-chain messages | |
| 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 | |
| Rari Capital | $80.0M | Ethereum, Arbitrum | DeFi protocol | Reentrancy | |
| CoinEx | $55.0M | Ethereum, BNB Smart Chain, Bitcoin, Tron, Kadena, Solana, Dagger, XRP, BitcoinCash, Polygon, Stellar, Arbitrum | Centralized exchange | Key compromise | |
| Radiant V2 | $50.0M | BNB Smart Chain, Arbitrum | 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 | |
| Hedgey | $44.7M | Arbitrum, Ethereum | DeFi protocol | Input validation | |
| GMX V1 Source ↗ | $42.0M | Arbitrum | DeFi protocol | Reentrancy | |
| AFX Bridge | $24.2M | Arbitrum | DeFi protocol Bridge | Key compromise | |
| Ostium | $23.8M | Arbitrum | DeFi protocol | Key compromise | |
| WOO X | $14.0M | Bitcoin, Ethereum, Arbitrum, BNB Smart Chain | Centralized exchange | Social engineering | |
| Abracadabra Spell | $13.0M | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Garden | $11.4M | Ethereum, Arbitrum, Base, Solana | DeFi protocol Bridge | Frontend and infrastructure | |
| UXLINK | $11.3M | Ethereum, Arbitrum | DeFi protocol | Access control flaw | |
| Triple-A | $9.7M | Ethereum, Tron, Arbitrum | Payments service | Key compromise | |
| WOOFi Swap | $8.8M | Arbitrum | DeFi protocol | Oracle manipulation | |
| Jimbos Protocol | $7.5M | Arbitrum | DeFi protocol | Oracle manipulation | |
| Lodestar V0 | $6.9M | Arbitrum | DeFi protocol | Oracle manipulation | |
| DEUS Finance | $6.5M | Arbitrum, BNB Smart Chain, Ethereum | DeFi protocol | Token and share accounting | |
| Seneca | $6.4M | Ethereum, Arbitrum | DeFi protocol | Access control flaw | |
| DeltaPrime | $6.0M | Arbitrum | DeFi protocol | Key compromise | |
| DeltaPrime | $4.8M | Arbitrum, Avalanche | DeFi protocol | Input validation | |
| Tapioca DAO | $4.7M | Arbitrum | DeFi protocol | Social engineering | |
| Gamma | $4.5M | Arbitrum | DeFi protocol | Oracle manipulation | |
| Radiant V2 | $4.5M | Arbitrum | DeFi protocol | Token and share accounting | |
| Gamdom | $4.2M | Ethereum, BNB Smart Chain, Polygon, Arbitrum, Optimism, Solana, TRON, Bitcoin | Gambling platform | Frontend and infrastructure | |
| New Market Trading | $4.0M | Ethereum, Base, Arbitrum | Other service | Access control flaw | |
| dForce Lending | $3.7M | Arbitrum, Optimism | DeFi protocol | Reentrancy | |
| SushiSwap | $3.3M | Ethereum, Arbitrum, Optimism, BNB Smart Chain | DeFi protocol | Input validation | |
| Swaprum | $3.0M | Arbitrum | DeFi protocol | Team fund withdrawal | |
| SUNRAY·FINANCE | $2.9M | Arbitrum | DeFi protocol | Key compromise | |
| Hyperbridge | $2.5M | Ethereum, Base, BNB Smart Chain, Arbitrum | DeFi protocol Bridge | Bridges and cross-chain messages | |
| Dexible V2 | $2.0M | Ethereum, Arbitrum | DeFi protocol | Access control flaw | |
| Hope Finance | $2.0M | Arbitrum | DeFi protocol | Access control flaw | |
| Mozaic | $2.0M | Arbitrum | DeFi protocol | Key compromise | |
| AARK (Aark Digital) | $1.9M | Arbitrum | DeFi protocol | Token and share accounting | |
| Concentric | $1.7M | Arbitrum | DeFi protocol | Social engineering | |
| Pike V1 | $1.6M | Ethereum, Optimism, Arbitrum | DeFi protocol | Access control flaw | |
| Tender Finance | $1.6M | Arbitrum | DeFi protocol | Oracle manipulation | |
| Kinto Bridge | $1.6M | Arbitrum | DeFi protocol Bridge | Access control flaw | |
| USDGambit and TLP | $1.5M | Arbitrum | DeFi protocol | Key compromise | |
| Moby | $1.5M | Arbitrum | DeFi protocol | Key compromise | |
| Treasure | $1.4M | Arbitrum | DeFi protocol | Input validation | |
| TMX TRIBE | $1.4M | Arbitrum | DeFi protocol | Token and share accounting | |
| Cascade Liquidity Strategy | $1.3M | Arbitrum | DeFi protocol | Oracle manipulation | |
| Bitcoin Mission | $1.3M | Arbitrum | DeFi protocol | Access control flaw | |
| DeltaPrime | $1.0M | Arbitrum | DeFi protocol | Access control flaw | |
| Sentiment | $1.0M | Arbitrum | DeFi protocol | Reentrancy | |
| Demex | $951K | Arbitrum | DeFi protocol | Oracle manipulation | |
| Orange Finance | $840K | Arbitrum | DeFi protocol | Key compromise | |
| GMBL.COMPUTER | $770K | Arbitrum | DeFi protocol | Input validation | |
| Hashflow | $605K | Ethereum, Arbitrum, Avalanche, BNB Smart Chain, Polygon | DeFi protocol | Access control flaw | |
| GMX V1 Perps | $565K | Arbitrum | DeFi protocol | Market manipulation | |
| GMX V1 EVM | $565K | Arbitrum | DeFi protocol | Market manipulation | |
| SquidMulticall | $517K | Arbitrum, BNB Chain, Avalanche, Optimism, Base | DeFi protocol | Access control flaw | |
| Numa | $506K | Arbitrum | DeFi protocol | Oracle manipulation | |
| Predy Finance | $464K | Arbitrum | DeFi protocol | Access control flaw | |
| Aurellion | $456K | Arbitrum | Real-world asset tokenization | Access control flaw | |
| Garden | $450K | Ethereum, Base, Arbitrum, BNB Smart Chain | DeFi protocol Bridge | Frontend and infrastructure | |
| Garden Solver | $450K | Ethereum, Base, Arbitrum, BNB Smart Chain | DeFi protocol Bridge | Solver exploit | |
| FutureSwap | $395K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Themis Protocol | $370K | Arbitrum | DeFi protocol | Oracle manipulation | |
| Silo V2 | $359K | Arbitrum | DeFi protocol | Oracle manipulation | |
| Lava | $340K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Fusion by IPOR | $336K | Arbitrum | DeFi protocol | Access control flaw | |
| ZetaChain | $334K | Ethereum, Base, Polygon, Arbitrum, Avalanche, BNB Smart Chain | Blockchain Bridge | Access control flaw | |
| Locus Finance | $321K | Ethereum, Arbitrum | DeFi protocol | Key compromise | |
| TheStandard.io | $290K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Tales of Elleria | $280K | Arbitrum | Game | Bridges and cross-chain messages | |
| Lumi Finance | $270K | Arbitrum | DeFi protocol | Input validation | |
| Sperax USD | $250K | Arbitrum | Token | Token and share accounting | |
| Renegade | $209K | Arbitrum | DeFi protocol | Access control flaw | |
| Yield Protocol | $181K | Arbitrum | DeFi protocol | Token and share accounting | |
| Stake DAO Votemarket Source ↗ | $176K | Arbitrum, Base | DeFi protocol | Access control flaw | |
| Beluga | $175K | Arbitrum | DeFi protocol | Oracle manipulation | |
| SEA Token | $153K | Arbitrum | Token | Oracle manipulation | |
| Sharwa.Finance | $146K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| ShapeShift FOX Colony | $133K | Arbitrum | DeFi protocol | Access control flaw | |
| Perpy | $132K | Arbitrum | DeFi protocol | Access control flaw | |
| Lava | $130K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Magpie Protocol | $129K | Ethereum, Polygon, BNB Smart Chain, Blast, Avalanche, Arbitrum, Optimism, Base, zkSync Era, Polygon zkEVM | DeFi protocol | Input validation | |
| El Dorado Exchange | $120K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| MetaSea | $110K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| ArbiSwap | $100K | Arbitrum | DeFi protocol | Team fund withdrawal | |
| Ramses Exchange | $93K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Citadel.one | $93K | Arbitrum | DeFi protocol | Access control flaw | |
| Stake DAO vsdCRV Source ↗ | $91K | Arbitrum | DeFi protocol Bridge | Key compromise | |
| Rodeo | $90K | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Paribus | $68K | Arbitrum | DeFi protocol | Reentrancy | |
| Wise Lending V2 | $66K | Arbitrum, Ethereum | DeFi protocol | Access control flaw | |
| Hyperliquid | $37K | Arbitrum | DeFi protocol | Market manipulation | |
| Neutra Finance | $36K | Arbitrum | DeFi protocol | Oracle manipulation | |
| Sharwa.Finance | $33K | Arbitrum | DeFi protocol | Oracle manipulation | |
| Atomic Green | $30K | Arbitrum | DeFi protocol | Input validation | |
| Locus Finance | $18K | Arbitrum | DeFi protocol | Not established | |
| MixedSwapRouter | $16K | Arbitrum | DeFi protocol | Access control flaw | |
| Fractal Protocol | $14K | Arbitrum | DeFi protocol | Reentrancy | |
| Zapper | No estimate | Ethereum, Arbitrum, Optimism, Polygon, Base | DeFi protocol | Frontend and infrastructure | |
| VTSwapHook | No estimate | Arbitrum | DeFi protocol | Protocol logic flaw | |
| Rico | No estimate | Arbitrum | DeFi protocol | Access control flaw | |
| Swell | No estimate | Ethereum, Arbitrum, Base, Hyperliquid L1 | DeFi protocol | Key compromise |