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All years · Any size: 1,297 publicly reported crypto security incidents, about $21.05B 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 →

DateIncidentTechniqueReported loss
2020-02-15OokiSecurity incidentEthereumOracle ManipulationSpot Price Manipulation$350K
2021-06-29THORChain DEXSecurity incidentEthereumBridge & Cross-ChainBridge Logic Flaw$350K
2026-05-12SQ ProtocolSecurity incidentBSCAccess ControlImproper Access Control$346K
2024-03-29LavaSecurity incidentArbitrumProtocol LogicLiquidation Logic Flaw$340K
2023-06-17Midas CapitalSecurity incidentBSCToken & Share AccountingRounding Error$340K
2018-10-15EOSBetSecurity incidentEOSToken & Share AccountingDonation Attack$338K
2026-09-10SymbiosisSecurity incidentBSC, EthereumBridge & Cross-ChainUnbacked Cross-Chain Mint$336K
2026-01-06Fusion by IPORSecurity incidentArbitrumAccess ControlArbitrary External Call$336K
2026-04-27ZetaChainSecurity incidentEthereum, Base, Polygon, Arbitrum, Avalanche, BSCAccess ControlToken Approval Abuse$334K
2023-05-07Art CoinSecurity incidentEthereumProtocol LogicDeposit Logic Flaw$331K
2021-06-29MerlinSecurity incidentBSCToken & Share AccountingArithmetic Error$330K
2024-05-10Galaxy FoxSecurity incidentEthereumAccess ControlImproper Access Control$330K
2025-12-02GoldfinchSecurity incidentEthereumAccess ControlToken Approval Abuse$330K
2015-05-22BitfinexSecurity incidentBitcoinKey CompromiseHot Wallet Key Compromised$329K
2023-08-02UwerxSecurity incidentEthereumOracle ManipulationSpot Price Manipulation$327K
2025-01-14The IdolsSecurity incidentEthereumProtocol LogicReward Logic Flaw$324K
2025-03-18Voltage V3Security incidentFuseAccess ControlImproper Access Control$322K
2023-12-30Locus FinanceSecurity incidentEthereum, ArbitrumKey CompromisePrivate Key Compromised$321K
2022-04-07WonderHeroSecurity incidentBSCKey CompromiseHot Wallet Key Compromised$320K
2023-12-30Channels FinanceSecurity incidentBSCToken & Share AccountingInfinite Mint$320K
2025-08-10numa.Security incidentSonicToken & Share AccountingIncorrect Share Accounting$313K
2026-06-19mySwap CLSecurity incidentStarknetToken & Share AccountingIncorrect Share Accounting$305K
2026-10-01FlashLoopAdapterSecurity incidentEthereumAccess ControlImproper Access Control$305K
2022-09-02ShadowFiSecurity incidentBinance Smart ChainAccess ControlImproper Access Control$301K
2025-04-26Impermax V3Security incidentBaseToken & Share AccountingIncorrect Fee Accounting$300K

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.