cryptonist

Hacks

Crypto hacks in 2023

Data as of 3 October 2026

197 recorded incidents in 2023 took $1.6B in total. The largest was Mixin Network, $200.0M. That is 15.2% of all incidents in DefiLlama's record and 7.7% of the value lost. Amounts are the losses DefiLlama records, and its record does not say whether they are before or after any recovery. Data as of 3 October 2026.

By class of failure, 2023

  • Access Control $43.4M lost
    37 incidents
  • Oracle Manipulation $40.2M lost
    26 incidents
  • Protocol Logic $18.5M lost
    24 incidents
  • Token & Share Accounting $275.6M lost
    23 incidents
  • Frontend & Infrastructure $392.7M lost
    19 incidents
  • Reentrancy $86.3M lost
    16 incidents
  • Key Compromise $435.4M lost
    15 incidents
  • Rugpull $59.2M lost
    11 incidents
  • Input Validation $86.6M lost
    9 incidents
  • Social Engineering $169.6M lost
    9 incidents
  • Bridge & Cross-Chain $6.0M lost
    3 incidents
  • Governance $3.7M lost
    3 incidents
  • Market Manipulation $9.0M lost
    2 incidents
Incidents in 2023 by class, with value lost in millions of US dollars. Source: DefiLlama, retrieved 3 October 2026.

Incidents in 2023

Incidents in 2023. Newest first. Source: DefiLlama.
DateIncidentClass TechniqueChainsAmount
2023-12-31 Orbit Bridge Input Validation Signature Verification Flaw Ethereum $81.7M
2023-12-30 Locus Finance Key Compromise Private Key Compromised Ethereum, Arbitrum $321K
2023-12-30 Channels Finance Token & Share Accounting Infinite Mint BSC $320K
2023-12-27 Levana Perps Oracle Manipulation Stale Oracle Price Osmosis $1.1M
2023-12-27 Thunder Terminal Frontend & Infrastructure Key Leaked via Infrastructure Ethereum, Solana $240K
2023-12-25 Telcoin Access Control Uninitialized Proxy Polygon $1.3M
2023-12-22 Pine Protocol Protocol Logic Swap Logic Flaw Ethereum $95K
2023-12-20 INX Digital Company Frontend & Infrastructure Key Leaked via Infrastructure Ethereum $1.6M
2023-12-20 Transit Finance Input Validation Missing Input Validation BSC, Ethereum $110K
2023-12-17 Flooring Protocol Access Control Arbitrary External Call Ethereum $1.6M
2023-12-16 NFT Trader Reentrancy Reentrancy Ethereum $3.0M
2023-12-16 GoodDollar Reentrancy Reentrancy Ethereum $2.0M
2023-12-14 Ledger Connect Kit Frontend & Infrastructure Supply Chain Attack Ethereum $484K
2023-12-13 OKX DEX Key Compromise Private Key Compromised Ethereum $2.7M
2023-12-13 Peapods Finance Reentrancy Reentrancy Ethereum $231K
2023-12-11 Venus Protocol Oracle Manipulation Oracle Misconfiguration BSC $274K
2023-12-07 Xai Social Engineering Impersonation Scam Ethereum $846K
2023-12-06 TIME Input Validation Missing Input Validation Ethereum $190K
2023-12-06 ElephantStatus Oracle Manipulation Spot Price Manipulation BSC $165K
2023-12-04 Stargate Finance Social Engineering Phishing Ethereum $43K
2023-11-30 Florence Finance Social Engineering Address Poisoning Ethereum $1.4M
2023-11-29 Velodrome Frontend & Infrastructure DNS Hijack Optimism $250K
2023-11-25 TheNFTV2 Protocol Logic Withdrawal Logic Flaw Ethereum $19K
2023-11-22 Heco Bridge Key Compromise Hot Wallet Key Compromised Ethereum $86.6M
2023-11-22 KyberSwap Elastic Token & Share Accounting Rounding Error Ethereum, Base, Polygon, Optimism, Arbitrum $48.0M
2023-11-22 Huobi Key Compromise Hot Wallet Key Compromised Ethereum $13.6M
2023-11-18 Kronos Research Frontend & Infrastructure API Key Compromised Ethereum $26.0M
2023-11-18 dYdX V3 Market Manipulation Risk Parameter Abuse Ethereum $9.0M
2023-11-18 SpookySwap Frontend & Infrastructure Frontend Compromise Fantom $5K
2023-11-11 Samudai Key Compromise Hot Wallet Key Compromised Ethereum $1.3M
2023-11-10 Poloniex Social Engineering Malware Tron, Ethereum, Bitcoin $126.0M
2023-11-10 Raft Token & Share Accounting Infinite Mint Ethereum $3.3M
2023-11-09 CoinSpot Key Compromise Hot Wallet Key Compromised Ethereum $2.4M
2023-11-07 Curve Finance MEV Bot Access Control Improper Access Control Ethereum $2.0M
2023-11-06 TheStandard.io Protocol Logic Swap Logic Flaw Arbitrum $290K
2023-11-06 TrustPad Access Control Improper Access Control BSC $155K
2023-11-01 Onyx Protocol Token & Share Accounting Donation Attack Ethereum $2.1M
2023-10-31 Unibot Access Control Token Approval Abuse Ethereum $640K
2023-10-29 Astrid Finance Input Validation Missing Input Validation Ethereum $228K
2023-10-23 Maestro Access Control Arbitrary External Call Ethereum $500K
2023-10-19 Synthetify Governance Malicious Proposal Solana $230K
2023-10-18 HOPE Lend Token & Share Accounting Arithmetic Error Ethereum $825K
2023-10-18 MicDao Oracle Manipulation Spot Price Manipulation BSC $13K
2023-10-13 Platypus Finance Oracle Manipulation Spot Price Manipulation Avalanche $2.2M
2023-10-13 WiseLending Token & Share Accounting Rounding Error Ethereum $260K
2023-10-13 Beluga Oracle Manipulation Spot Price Manipulation Arbitrum $175K
2023-10-12 BlackHole Token Oracle Manipulation Spot Price Manipulation BSC $1.3M
2023-10-07 Arena SocialFi Reentrancy Reentrancy Avalanche $3.0M
2023-10-06 Galxe Frontend & Infrastructure DNS Hijack Ethereum $270K
2023-09-25 HTX Key Compromise Hot Wallet Key Compromised Ethereum $8.0M
2023-09-23 Mixin Network Frontend & Infrastructure Database Breach Mixin $200.0M
2023-09-19 Balancer V2 Frontend & Infrastructure Frontend Compromise Ethereum $238K
2023-09-16 uniclyNFT Reentrancy Reentrancy Ethereum $2K
2023-09-15 Remitano Frontend & Infrastructure Key Leaked via Infrastructure Ethereum, Tron, BitcoinCash $2.7M
2023-09-12 CoinEx Key Compromise Hot Wallet Key Compromised Ethereum, BSC, Bitcoin, Tron, Kadena, Solana, Dagger, XRPL, BitcoinCash, Polygon, Stellar, Arbitrum $55.0M
2023-09-11 Milady Maker Rugpull Admin Drain Ethereum $1.0M
2023-09-07 Fortress Trust Frontend & Infrastructure Key Leaked via Infrastructure Ethereum, Bitcoin $12.0M
2023-09-06 GMBL.COMPUTER Input Validation Signature Verification Flaw Arbitrum $770K
2023-09-05 Floor Dao Protocol Logic Reward Logic Flaw Ethereum $64K
2023-09-04 Stake.com Key Compromise Hot Wallet Key Compromised Ethereum, BSC, Polygon $41.3M
2023-09-02 DAppSocial Access Control Improper Access Control Ethereum $16K
2023-09-01 SharedStake Access Control Ownership Takeover Ethereum $175K
2023-08-29 EAC Oracle Manipulation Spot Price Manipulation BSC $6K
2023-08-27 Balancer V2 Oracle Manipulation Spot Price Manipulation Ethereum $800K
2023-08-26 PEPE Rugpull Admin Drain Ethereum $15.1M
2023-08-25 Magnate Finance Rugpull Treasury Misappropriation Base $6.5M
2023-08-24 GSS Token & Share Accounting Arithmetic Error BSC $25K
2023-08-19 Harbor Protocol Oracle Manipulation Spot Price Manipulation Comdex $250K
2023-08-18 Exactly Access Control Improper Access Control Optimism $7.6M
2023-08-15 RocketSwap Base Frontend & Infrastructure Key Leaked via Infrastructure Base $865K
2023-08-13 Zunami Protocol Oracle Manipulation Spot Price Manipulation Ethereum $2.1M
2023-08-09 Earning.Farm Reentrancy Reentrancy Ethereum $540K
2023-08-08 Steadefi Key Compromise Deployer Key Compromised Ethereum $1.2M
2023-08-07 Cypher Oracle Manipulation Spot Price Manipulation Solana $1.0M
2023-08-02 Bald Rugpull Liquidity Rug Base $23.0M
2023-08-02 Uwerx Oracle Manipulation Spot Price Manipulation Ethereum $327K
2023-08-01 LeetSwap Access Control Improper Access Control Base $620K
2023-08-01 Neutra Finance Oracle Manipulation Spot Price Manipulation Arbitrum $36K
2023-07-31 GYM Network Access Control Improper Access Control BSC $1K
2023-07-30 Curve DEX Reentrancy Vyper Compiler Bug Ethereum $61.7M
2023-07-30 Kannagi Rugpull Admin Drain zkSync Era, Ethereum $2.1M
2023-07-28 Pond0x Access Control Arbitrary External Call Ethereum $2.2M
2023-07-26 AlphaPo Key Compromise Hot Wallet Key Compromised Ethereum, Tron $60.0M
2023-07-26 Carson DeFi Oracle Manipulation Spot Price Manipulation BSC $150K
2023-07-25 EraLend Reentrancy Read-Only Reentrancy zkSync Era $3.4M
2023-07-25 MetaLabz Access Control Improper Access Control BSC $0
2023-07-24 Palmswap Token & Share Accounting Incorrect Share Accounting BSC $900K
2023-07-22 CoinsPaid Social Engineering Impersonation Scam — $37.3M
2023-07-22 Conic Finance Oracle Manipulation Spot Price Manipulation Ethereum $300K
2023-07-21 Conic Finance Reentrancy Read-Only Reentrancy Ethereum $3.3M
2023-07-20 Utopia Protocol Logic Swap Logic Flaw BSC $119K
2023-07-20 FFIST Protocol Logic Reward Logic Flaw BSC $110K
2023-07-18 BNO Access Control Improper Access Control BSC $500K
2023-07-13 Ethscriptions Access Control Improper Access Control Ethereum $3K
2023-07-12 Platypus Finance Protocol Logic Withdrawal Logic Flaw Avalanche $50K
2023-07-11 Libertify Reentrancy Reentrancy Ethereum, Polygon $230
2023-07-10 Arcadia V1 Access Control Improper Access Control Ethereum, Optimism $455K
2023-07-09 CivFund Access Control Token Approval Abuse Ethereum $180K
2023-07-08 CIVNFT Access Control Improper Access Control Ethereum $180K
2023-07-07 Multichain Key Compromise Validator Key Compromised Moonriver, BSC, Fantom $126.0M
2023-07-04 Rodeo Protocol Logic Unknown Arbitrum $90K
2023-07-03 AzukiDAO Input Validation Signature Replay Ethereum $68K
2023-07-02 Poly Network Bridge & Cross-Chain Forged Proof Ethereum, BSC, Polygon $5.0M
2023-06-30 Biswap Access Control Improper Access Control BSC $72K
2023-06-27 Themis Protocol Oracle Manipulation Spot Price Manipulation Arbitrum $370K
2023-06-23 Shido Protocol Logic Unknown BSC $239K
2023-06-19 Ara Finance Access Control Token Approval Abuse BSC $125K
2023-06-17 Pawnfi Token & Share Accounting Incorrect Share Accounting Ethereum $820K
2023-06-17 Midas Capital Token & Share Accounting Rounding Error BSC $340K
2023-06-15 Hashflow Access Control Token Approval Abuse Ethereum, Arbitrum, Avalanche, BSC, Polygon $605K
2023-06-15 Hyperliquid Market Manipulation Risk Parameter Abuse Arbitrum $37K
2023-06-15 CFC Token & Share Accounting Donation Attack BSC $16K
2023-06-14 Tropykus RSK Token & Share Accounting Rounding Error Rootstock $150K
2023-06-12 Sturdy V1 Reentrancy Read-Only Reentrancy Ethereum $775K
2023-06-12 Keep3r Network Key Compromise Weak Key Generation Ethereum $200K
2023-06-11 Floating Point Group Frontend & Infrastructure Key Leaked via Infrastructure — $15.0M
2023-06-10 Atlantis Loans Access Control Improper Access Control BSC $2.5M
2023-06-03 Atomic Wallet Frontend & Infrastructure Supply Chain Attack Ethereum, Tron, BSC, Bitcoin, Polkadot, Avalanche $100.0M
2023-06-02 Hector Lending Access Control Token Approval Abuse Fantom $653K
2023-06-01 Cellframe Protocol Logic Swap Logic Flaw BSC $76K
2023-05-31 unshETH Frontend & Infrastructure Key Stored Publicly Ethereum $375K
2023-05-30 El Dorado Exchange Protocol Logic Swap Logic Flaw Arbitrum $120K
2023-05-28 Jimbos Protocol Oracle Manipulation Spot Price Manipulation Arbitrum $7.5M
2023-05-26 Patricia Frontend & Infrastructure Database Breach — $2.0M
2023-05-24 Local Traders Access Control Improper Access Control BSC $118K
2023-05-23 LunaFi Protocol Logic Reward Logic Flaw Polygon $35K
2023-05-20 Tornado Cash Governance Malicious Proposal Ethereum $2.2M
2023-05-20 Swap-LP Protocol Logic Swap Logic Flaw BSC $1.1M
2023-05-19 Swaprum Rugpull Backdoor Contract Arbitrum $3.0M
2023-05-19 WDZD Swap Protocol Logic Swap Logic Flaw BSC $1.0M
2023-05-12 LW Token Oracle Manipulation Spot Price Manipulation BSC $50K
2023-05-10 SNK (Snooker) Access Control Improper Access Control BSC $198K
2023-05-07 Art Coin Protocol Logic Deposit Logic Flaw Ethereum $331K
2023-05-06 Melo Access Control Improper Access Control BSC $90K
2023-05-05 DEUS Finance Token & Share Accounting Arithmetic Error Arbitrum, BSC, Ethereum $6.5M
2023-05-01 pcash Protocol Logic Unknown EOS $2.0M
2023-05-01 Level Perps Protocol Logic Reward Logic Flaw BSC $1.1M
2023-04-28 0vix Oracle Manipulation Spot Price Manipulation Polygon $2.0M
2023-04-25 MERLIN DEX Rugpull Admin Drain zkSync Era $1.8M
2023-04-24 KuCoin Social Engineering Social Account Takeover — $23K
2023-04-23 FilDA Bridge & Cross-Chain Bridge Logic Flaw Elastos, REI Network $700K
2023-04-20 Tales of Elleria Bridge & Cross-Chain Forged Proof Arbitrum $280K
2023-04-16 Swapos V2 Protocol Logic Swap Logic Flaw Ethereum $468K
2023-04-15 Hundred Finance Token & Share Accounting Donation Attack Optimism $7.4M
2023-04-14 Bitrue Key Compromise Hot Wallet Key Compromised — $23.0M
2023-04-13 Yearn Finance Oracle Manipulation Oracle Misconfiguration Ethereum $11.5M
2023-04-12 MetaPoint Access Control Token Approval Abuse BSC $820K
2023-04-11 Paribus Reentrancy Reentrancy Arbitrum $68K
2023-04-10 Terraport Access Control Improper Access Control Terra Classic $4.0M
2023-04-10 SushiSwap Input Validation Missing Input Validation Ethereum, Arbitrum, Optimism, BSC $3.3M
2023-04-08 GDAC Key Compromise Hot Wallet Key Compromised — $13.9M
2023-04-04 Sentiment Reentrancy Reentrancy Arbitrum $1.0M
2023-04-03 MEV-Boost Relay Frontend & Infrastructure Key Leaked via Infrastructure Ethereum $20.0M
2023-04-02 Allbridge Core Protocol Logic Swap Logic Flaw BSC $573K
2023-03-30 Rocket Pool Social Engineering Phishing Ethereum $3.8M
2023-03-28 Safemoon Access Control Improper Access Control BSC $8.9M
2023-03-27 Kokomo Finance Rugpull Admin Drain Optimism $4.0M
2023-03-25 Swerve Governance Malicious Proposal Ethereum $1.3M
2023-03-21 Indexed Finance Protocol Logic Swap Logic Flaw Ethereum $10K
2023-03-19 Harvest Keeper Rugpull Admin Drain Ethereum $933K
2023-03-18 Zircon Gamma Token & Share Accounting Incorrect Share Accounting BSC, Moonriver $350K
2023-03-17 ParaSpace Lending V1 Oracle Manipulation Spot Price Manipulation Ethereum $5.0M
2023-03-17 General Bytes Frontend & Infrastructure Key Leaked via Infrastructure Ethereum $1.5M
2023-03-15 Poolz Network Token & Share Accounting Arithmetic Error BSC $390K
2023-03-13 Euler V1 Token & Share Accounting Donation Attack Ethereum $197.0M
2023-03-10 Hedera Access Control Improper Access Control Hedera $600K
2023-03-08 PeopleDAO Social Engineering Signer Phishing Ethereum $120K
2023-03-08 DKP Oracle Manipulation Spot Price Manipulation BSC $80K
2023-03-07 Tender Finance Oracle Manipulation Stale Oracle Price Arbitrum $1.6M
2023-03-02 ArbiSwap Rugpull Liquidity Rug Arbitrum $100K
2023-02-27 MyAlgo Frontend & Infrastructure CDN Compromise Algorand $9.2M
2023-02-27 swapX Access Control Improper Access Control BSC $1.0M
2023-02-27 DungeonSwap Access Control Improper Access Control BSC $728K
2023-02-27 LaunchZone Access Control Improper Access Control BSC $700K
2023-02-20 Dexible V2 Access Control Arbitrary External Call Ethereum, Arbitrum $2.0M
2023-02-20 Hope Finance Access Control Arbitrary External Call Arbitrum $2.0M
2023-02-20 Revert Finance Access Control Arbitrary External Call Ethereum $29K
2023-02-16 Platypus Finance Protocol Logic Unknown Avalanche $8.5M
2023-02-15 Multichain Input Validation Signature Verification Flaw Ethereum $130K
2023-02-11 fcdep Token & Share Accounting Infinite Mint BSC $350K
2023-02-10 dForce Lending Reentrancy Read-Only Reentrancy Arbitrum, Optimism $3.6M
2023-02-10 Sheep Token & Share Accounting Incorrect Share Accounting BSC $3K
2023-02-07 LianGoPay Rugpull Admin Drain BSC $1.6M
2023-02-07 CoWSwap Access Control Arbitrary External Call Ethereum $180K
2023-02-04 Sperax USD Token & Share Accounting Unbacked Mint Arbitrum $250K
2023-02-02 Orion Pools Reentrancy Reentrancy BSC $3.0M
2023-02-01 BonqDAO Oracle Manipulation Oracle Misconfiguration Polygon $1.8M
2023-01-30 BEVO Token & Share Accounting Incorrect Share Accounting BSC $45K
2023-01-26 Robinhood Social Engineering Social Account Takeover BSC $8K
2023-01-21 Omm Protocol Logic Redeem Logic Flaw Icon $1.9M
2023-01-19 Thoreum Finance Protocol Logic Swap Logic Flaw BSC $66K
2023-01-17 Midas Capital Reentrancy Reentrancy Polygon $660K
2023-01-17 OmniEstate Input Validation Missing Input Validation BSC $71K
2023-01-16 LendHub Token & Share Accounting Incorrect Share Accounting Heco $6.0M
2023-01-11 Roe Finance Oracle Manipulation Spot Price Manipulation Ethereum, Polygon $80K
2023-01-10 BRA Token & Share Accounting Incorrect Share Accounting BSC $225K
2023-01-03 GDS Protocol Logic Reward Logic Flaw BSC $187K

Source: DefiLlama, retrieved 3 October 2026, under its open methodology. Figures are a dated snapshot, not a live feed.