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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
2021-07-11ChainSwap BridgeSecurity incidentEthereum, BSCBridge & Cross-ChainBridge Logic Flaw$4.4M
2021-07-10MultichainSecurity incidentEthereum, BSC, FantomKey CompromiseWeak Key Generation$7.9M
2021-07-03Haven ProtocolSecurity incidentHavenToken & Share AccountingInfinite Mint$8.2M
2021-07-02ChainSwapSecurity incidentEthereum, Binance Smart ChainBridge & Cross-ChainBridge Logic Flaw$800K
2021-07-02XDX SwapSecurity incidentHuobi Eco ChainBridge & Cross-ChainBridge Logic Flaw$176K
2021-06-29THORChain DEXSecurity incidentEthereumBridge & Cross-ChainBridge Logic Flaw$350K
2021-06-29MerlinSecurity incidentBSCToken & Share AccountingArithmetic Error$330K
2021-06-28Safe DollarSecurity incidentPolygonProtocol LogicReward Logic Flaw$248K
2021-06-25xWin FinanceSecurity incidentBSCInput ValidationMissing Input Validation$270K
2021-06-24SharedStakeSecurity incidentEthereumAccess ControlImproper Access Control$500K
2021-06-23StableMagnetSecurity incidentBSCRugpullBackdoor Contract$27.0M
2021-06-22Eleven FinanceSecurity incidentBSCProtocol LogicWithdrawal Logic Flaw$4.5M
2021-06-21StakeHound / FireblocksSecurity incidentEthereumKey CompromiseKey Brute Forced$72.0M
2021-06-21Impossible FinanceSecurity incidentBSCOracle ManipulationSpot Price Manipulation$500K
2021-06-20PolydexSecurity incidentPolygonReentrancyReentrancy$500K
2021-06-19Visor FinanceSecurity incidentEthereumAccess ControlImproper Access Control$505K
2021-06-16Alchemix V2Security incidentEthereumProtocol LogicBorrow Logic Flaw$6.5M
2021-06-10EvoDefiSecurity incidentBSCProtocol LogicReward Logic Flaw$1.0M
2021-06-0788mphSecurity incidentEthereumInput ValidationMissing Input Validation—
2021-06-06Fetch.aiSecurity incidentMultipleKey CompromisePrivate Key Compromised$2.6M
2021-06-03Hunny FinanceSecurity incidentBSCToken & Share AccountingIncorrect Share Accounting—
2021-05-29Belt FinanceSecurity incidentBSCToken & Share AccountingIncorrect Share Accounting$6.3M
2021-05-28BurgerSwapSecurity incidentBSCReentrancyReentrancy$7.2M
2021-05-26MerlinSecurity incidentBSCToken & Share AccountingRounding Error$550K
2021-05-24AutoSharkSecurity incidentBSCProtocol LogicReward Logic Flaw$823K

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.