cryptonist

Hacks

Crypto hacks using Withdrawal Logic Flaw

Data as of 3 October 2026

30 recorded incidents using Withdrawal Logic Flaw took $58.4M in total between 2014 and 2026. The largest was BearnFi, $18.0M in 2021. That is 2.3% of all incidents in DefiLlama's record and 0.3% 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 year, using Withdrawal Logic Flaw

  • 2014 $650K lost
    2 incidents
  • 2015 $0 lost
    0 incidents
  • 2016 $0 lost
    0 incidents
  • 2017 $0 lost
    0 incidents
  • 2018 $1.8M lost
    1 incidents
  • 2019 $0 lost
    0 incidents
  • 2020 $779K lost
    3 incidents
  • 2021 $30.5M lost
    3 incidents
  • 2022 $7.3M lost
    5 incidents
  • 2023 $69K lost
    2 incidents
  • 2024 $209K lost
    3 incidents
  • 2025 $596K lost
    2 incidents
  • 2026 $16.5M lost
    9 incidents
Incidents per year using Withdrawal Logic Flaw, with value lost in millions of US dollars. Source: DefiLlama, retrieved 3 October 2026.

Incidents using Withdrawal Logic Flaw

Incidents using Withdrawal Logic Flaw. Newest first. Source: DefiLlama.
DateIncidentClass TechniqueChainsAmount
2026-08-28 Avici Protocol Logic Withdrawal Logic Flaw Solana $501K
2026-08-22 TAC Protocol Logic Withdrawal Logic Flaw TAC $7.5M
2026-08-18 Maya Protocol Protocol Logic Withdrawal Logic Flaw Mayachain $1.7M
2026-07-19 Allbridge Core Protocol Logic Withdrawal Logic Flaw Solana $1.6M
2026-05-19 HermesVault Protocol Logic Withdrawal Logic Flaw Algorand $30K
2026-05-17 MetaSea Protocol Logic Withdrawal Logic Flaw Arbitrum $110K
2026-04-29 Sweat Foundation Protocol Logic Withdrawal Logic Flaw NEAR $3.5M
2026-04-29 Aftermath Perps Protocol Logic Withdrawal Logic Flaw Sui $1.1M
2026-01-10 FutureSwap Protocol Logic Withdrawal Logic Flaw Arbitrum $395K
2025-12-11 0G Labs Protocol Logic Withdrawal Logic Flaw 0G $516K
2025-03-01 Hegic(old contract) Protocol Logic Withdrawal Logic Flaw Ethereum $80K
2024-12-07 MAAT Protocol Protocol Logic Withdrawal Logic Flaw BSC $168K
2024-09-20 DOGGO Protocol Logic Withdrawal Logic Flaw Ethereum $7K
2024-06-10 JokInTheBox Protocol Logic Withdrawal Logic Flaw Ethereum $34K
2023-11-25 TheNFTV2 Protocol Logic Withdrawal Logic Flaw Ethereum $19K
2023-07-12 Platypus Finance Protocol Logic Withdrawal Logic Flaw Avalanche $50K
2022-10-15 Earning.Farm Protocol Logic Withdrawal Logic Flaw Ethereum $1.2M
2022-06-08 Osmosis Protocol Logic Withdrawal Logic Flaw Osmosis $5.0M
2022-06-07 Equalizer Exchange Protocol Logic Withdrawal Logic Flaw Ethereum, BSC, Polygon, Optimism $50K
2022-05-10 OWNLY Protocol Logic Withdrawal Logic Flaw BSC $37K
2022-01-25 OpenSea Protocol Logic Withdrawal Logic Flaw Ethereum $1.0M
2021-07-22 THORChain DEX Protocol Logic Withdrawal Logic Flaw Ethereum $8.0M
2021-06-22 Eleven Finance Protocol Logic Withdrawal Logic Flaw BSC $4.5M
2021-05-17 BearnFi Protocol Logic Withdrawal Logic Flaw BSC $18.0M
2020-09-20 Soda Protocol Protocol Logic Withdrawal Logic Flaw Ethereum $160K
2020-08-04 Opyn Protocol Logic Withdrawal Logic Flaw Ethereum $371K
2020-04-08 Bisq Protocol Logic Withdrawal Logic Flaw Bitcoin $248K
2018-05-22 Verge Protocol Logic Withdrawal Logic Flaw Verge $1.8M
2014-03-04 Poloniex Protocol Logic Withdrawal Logic Flaw Bitcoin $50K
2014-03-02 Flexcoin Protocol Logic Withdrawal Logic Flaw Bitcoin $600K

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