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Before 2023 · Any size: 443 publicly reported crypto security incidents, about $12.81B lost in total. Data comes from the public DefiLlama incident dataset (back to 2011), updated weekly. Click an incident for details. Breakdown by technique → · Weekly and monthly reports →

Last 90 days2026202520242023Before 2023All years
Any size$1M+$10M+$100M+
DateIncidentTechniqueReported loss
2020-11-06LedgerSecurity incidentMultipleSocial EngineeringPhishing$271K
2020-11-02AxionSecurity incidentEthereumToken & Share AccountingInfinite Mint$500K
2020-10-30EtherCrashSecurity incidentEthereumKey CompromiseHot Wallet Key Compromised$2.5M
2020-10-26Harvest FinanceSecurity incidentEthereumOracle ManipulationSpot Price Manipulation$24.0M
2020-10-11WLEOSecurity incidentEthereumToken & Share AccountingInfinite Mint$42K
2020-09-29KuCoinSecurity incidentMajorEthereumKey CompromiseHot Wallet Key Compromised$281.0M
2020-09-28EminenceSecurity incidentEthereumOracle ManipulationSpot Price Manipulation$15.0M
2020-09-20Soda ProtocolSecurity incidentEthereumProtocol LogicWithdrawal Logic Flaw$160K
2020-09-10CoralSecurity incidentEOSReentrancyReentrancy$420K
2020-09-10SYFISecurity incidentEthereumToken & Share AccountingArithmetic Error$250K
2020-09-08EterbaseSecurity incidentBitcoin, Ethereum, XRP, Tezos, Algorand, TRONKey CompromiseHot Wallet Key Compromised$5.4M
2020-08-18OKExSecurity incidentEthereum ClassicBridge & Cross-ChainForged Proof$5.6M
2020-08-06Ethereum ClassicSecurity incidentEthereum ClassicBridge & Cross-ChainForged Proof$1.7M
2020-08-04OpynSecurity incidentEthereumProtocol LogicWithdrawal Logic Flaw$371K
2020-07-312getherSecurity incidentBitcoin, EthereumFrontend & InfrastructureKey Leaked via Infrastructure$1.2M
2020-07-11CashaaSecurity incidentBitcoinFrontend & InfrastructureKey Leaked via Infrastructure$3.1M
2020-07-01VetherSecurity incidentEthereumAccess ControlImproper Access Control$450K
2020-06-28BalancerSecurity incidentEthereumToken & Share AccountingIncorrect Share Accounting$500K
2020-06-18Bancor V3Security incidentEthereumAccess ControlImproper Access Control$545K
2020-04-25HegicSecurity incidentEthereumProtocol LogicDeposit Logic Flaw$29K
2020-04-19dForce LendingSecurity incidentEthereumReentrancyReentrancy$25.0M
2020-04-18Uniswap V1Security incidentEthereumReentrancyReentrancy$220K
2020-04-08BisqSecurity incidentBitcoinProtocol LogicWithdrawal Logic Flaw$248K
2020-03-12MakerDAOSecurity incidentEthereumOracle ManipulationStale Oracle Price$8.3M
2020-02-18OokiSecurity incidentEthereumOracle ManipulationSpot Price Manipulation$650K

Source: DefiLlama Hacks. This section restates public reports and is not OceanAlt's judgment of any party. To report an error, email business@oceanalt.com; we review within 48 hours.