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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
2024-09-16WXETASecurity incidentEthereum, BSCAccess ControlUninitialized Proxy$110K
2023-07-20FFISTSecurity incidentBSCProtocol LogicReward Logic Flaw$110K
2023-12-20Transit FinanceSecurity incidentBSC, EthereumInput ValidationMissing Input Validation$110K
2026-05-17MetaSeaSecurity incidentArbitrumProtocol LogicWithdrawal Logic Flaw$110K
2022-05-14Quickswap V3Security incidentPolygonFrontend & InfrastructureDNS Hijack$108K
2024-05-22TonUPSecurity incidentTONProtocol LogicReward Logic Flaw$108K
2026-06-09NovaBoxSecurity incidentEthereumToken & Share AccountingIncorrect Share Accounting$107K
2026-06-15Thetanuts FinanceSecurity incidentEthereumToken & Share AccountingRounding Error$105K
2024-06-07SteamSwapSecurity incidentBSCOracle ManipulationSpot Price Manipulation$105K
2026-09-05Secured Finance LendingSecurity incidentEthereumOracle ManipulationSpot Price Manipulation$104K
2021-01-27SushiSwapSecurity incidentEthereumProtocol LogicSwap Logic Flaw$104K
2021-01-25Badger DAOSecurity incidentEthereumProtocol LogicSwap Logic Flaw$104K
2026-05-11HumaSecurity incidentPolygonAccess ControlImproper Access Control$101K
2026-05-11Huma Finance V2Security incidentPolygonAccess ControlImproper Access Control$101K
2025-04-27QuantMasterSecurity incidentEthereumRugpullBackdoor Contract$100K
2026-01-27PGNLZSecurity incidentBSCToken & Share AccountingIncorrect Share Accounting$100K
2022-07-01QuixoticSecurity incidentOptimismInput ValidationSignature Verification Flaw$100K
2024-12-03BYC TokenSecurity incidentBinanceToken & Share AccountingIncorrect Fee Accounting$100K
2013-11-11BitcashSecurity incidentBitcoinAccess ControlImproper Access Control$100K
2025-11-10DRLVaultV3Security incidentEthereumOracle ManipulationSpot Price Manipulation$100K
2023-03-02ArbiSwapSecurity incidentArbitrumRugpullLiquidity Rug$100K
2026-04-14Zerion WalletSecurity incidentSocial EngineeringPhishing$100K
2024-03-20LayerSwapSecurity incidentEthereumFrontend & InfrastructureDNS Hijack$100K
2018-12-12VertcoinSecurity incidentVertcoinMarket ManipulationRisk Parameter Abuse$100K
2024-07-11OPSECSecurity incidentEthereumKey CompromisePrivate Key Compromised$100K

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.