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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 →

Last 90 days2026202520242023Before 2023All years
Any size$1M+$10M+$100M+
DateIncidentTechniqueReported loss
2024-04-19HedgeySecurity incidentArbitrum, EthereumInput ValidationMissing Input Validation$44.7M
2025-07-19CoinDCXSecurity incidentKey CompromiseHot Wallet Key Compromised$44.2M
2024-09-20BingXSecurity incidentEthereumKey CompromiseHot Wallet Key Compromised$43.3M
2025-07-09GMX V1 PerpsSecurity incidentArbitrumReentrancyReentrancy$42.0M
2025-09-09SwissBorgSecurity incidentSolanaFrontend & InfrastructureAPI Key Compromised$41.5M
2023-09-04Stake.comSecurity incidentEthereum, BSC, PolygonKey CompromiseHot Wallet Key Compromised$41.3M
2026-01-31Step FinanceSecurity incidentSolanaKey CompromisePrivate Key Compromised$40.0M
2019-05-07BinanceSecurity incidentBitcoinKey CompromiseHot Wallet Key Compromised$40.0M
2019-03-25CoinbeneSecurity incidentEthereumAccess ControlImproper Access Control$40.0M
2021-02-13Alpha FinanceSecurity incidentEthereumProtocol LogicBorrow Logic Flaw$37.5M
2023-07-22CoinsPaidSecurity incidentSocial EngineeringImpersonation Scam$37.3M
2018-06-10CoinrailSecurity incidentEthereumAccess ControlImproper Access Control$37.2M
2025-11-26UpbitSecurity incidentSolanaSocial EngineeringMalware$36.0M
2022-02-12IRA Financial / GeminiSecurity incidentEthereumFrontend & InfrastructureAPI Key Compromised$36.0M
2021-09-21Vee FinanceSecurity incidentAvalancheOracle ManipulationSpot Price Manipulation$34.0M
2022-01-18Crypto.comSecurity incidentEthereum, BitcoinFrontend & InfrastructureSession Key Compromised$33.7M
2026-06-08HumanitySecurity incidentEthereum, BSCKey CompromisePrivate Key Compromised$32.0M
2021-11-30MonoXSecurity incidentEthereum, PolygonProtocol LogicSwap Logic Flaw$31.4M
2018-06-21BithumbSecurity incidentEthereumFrontend & InfrastructureKey Leaked via Infrastructure$31.0M
2021-03-04Meerkat FinanceSecurity incidentBSCRugpullAdmin Drain$31.0M
2017-11-19TetherSecurity incidentBitcoinKey CompromisePrivate Key Compromised$31.0M
2021-05-02SpartanSecurity incidentBSCToken & Share AccountingIncorrect Share Accounting$30.5M
2021-12-18Grim FinanceSecurity incidentFantomReentrancyReentrancy$30.0M
2017-07-01ParitySecurity incidentEthereumAccess ControlUninitialized Proxy$30.0M
2022-10-02Transit SwapSecurity incidentEthereum, BSCInput ValidationMissing Input Validation$28.9M

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.