cryptonist

Hacks

Crypto hacks using Improper Access Control

Data as of 3 October 2026

141 recorded incidents using Improper Access Control took $1.2B in total between 2011 and 2026. The largest was Poly Network, $611.0M in 2021. That is 10.9% of all incidents in DefiLlama's record and 5.7% 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 year, using Improper Access Control

  • 2011 $8.8M lost
    1 incidents
  • 2012 $0 lost
    0 incidents
  • 2013 $100K lost
    1 incidents
  • 2014 $2.0M lost
    1 incidents
  • 2015 $270K lost
    1 incidents
  • 2016 $2.0M lost
    1 incidents
  • 2017 $0 lost
    0 incidents
  • 2018 $207.2M lost
    2 incidents
  • 2019 $55.1M lost
    3 incidents
  • 2020 $1.0M lost
    3 incidents
  • 2021 $732.9M lost
    12 incidents
  • 2022 $52.3M lost
    27 incidents
  • 2023 $30.4M lost
    22 incidents
  • 2024 $16.9M lost
    23 incidents
  • 2025 $29.1M lost
    16 incidents
  • 2026 $54.5M lost
    28 incidents
Incidents per year using Improper Access Control, with value lost in millions of US dollars. Source: DefiLlama, retrieved 3 October 2026.

Incidents using Improper Access Control

Incidents using Improper Access Control. Newest first. Source: DefiLlama.
DateIncidentClass TechniqueChainsAmount
2026-10-01 FlashLoopAdapter Access Control Improper Access Control Ethereum $305K
2026-09-16 Startale Access Control Improper Access Control Ethereum $3K
2026-09-15 Bonfire Access Control Improper Access Control BSC $47K
2026-08-31 Radix Access Control Improper Access Control Radix $1.2M
2026-08-22 The Sandbox Access Control Improper Access Control Base, BSC, Ethereum $675K
2026-08-21 MANTRA Chain Access Control Improper Access Control MANTRA $0
2026-08-19 BounceBit Access Control Improper Access Control BounceBit $3.0M
2026-08-09 Coinsbuy Access Control Improper Access Control Ethereum, Tron $7.9M
2026-08-03 RISEx Access Control Improper Access Control RISE $673K
2026-07-28 Crypto DAO Access Control Improper Access Control BSC $8.2M
2026-07-28 LULA Access Control Improper Access Control BSC $578K
2026-07-26 WEMIX.FI Lend Access Control Improper Access Control Wemix $737K
2026-07-26 ChainConnect Access Control Improper Access Control Ethereum, BSC, Avalanche, Polygon $650K
2026-06-01 TesseraDAO Access Control Improper Access Control BSC $2.4M
2026-05-27 SUPERFORTUNE AI Access Control Improper Access Control Ethereum $15.2M
2026-05-25 New Market Trading Access Control Improper Access Control Ethereum, Base, Arbitrum $4.0M
2026-05-13 Transit Finance Access Control Improper Access Control Tron $1.9M
2026-05-12 SQ Protocol Access Control Improper Access Control BSC $346K
2026-05-11 Huma Access Control Improper Access Control Polygon $101K
2026-05-04 SquidRouterModule Access Control Improper Access Control Ethereum, Base $3.2M
2026-04-28 YieldCore-3rd-deal Access Control Improper Access Control Ethereum $399K
2026-04-12 SubQuery Network Access Control Improper Access Control Base $134K
2026-04-09 Aethir Access Control Improper Access Control BSC $400K
2026-04-07 SquidMulticall Access Control Improper Access Control Arbitrum, BSC, Avalanche, Optimism, Base $517K
2026-04-04 BSC TMM/USDT Access Control Improper Access Control BSC $1.7M
2026-03-16 CheckoutPool Access Control Improper Access Control Polygon $86K
2026-03-07 Molt EVM Access Control Improper Access Control Base $127K
2026-02-28 Wise Lending V2 Access Control Improper Access Control Arbitrum, Ethereum $66K
2025-12-28 MSCST Access Control Improper Access Control BSC $130K
2025-12-12 Ribbon Access Control Improper Access Control Ethereum $2.7M
2025-10-07 TokenHolder Access Control Improper Access Control BSC $26K
2025-10-04 Abracadabra Spell Access Control Improper Access Control Ethereum $1.7M
2025-09-28 dTRINITY Access Control Improper Access Control Sonic $56K
2025-09-08 Nemo Yield Trading Access Control Improper Access Control Sui $2.6M
2025-07-09 Texture Access Control Improper Access Control Solana $2.2M
2025-06-06 ForceBridge Access Control Improper Access Control Nervos $3.9M
2025-05-28 Cork V1 Access Control Improper Access Control Ethereum $12.0M
2025-05-09 LND Access Control Improper Access Control Sonic, Hyperliquid L1 $1.2M
2025-04-22 Bitcoin Mission Access Control Improper Access Control Arbitrum $1.3M
2025-04-16 R0AR Access Control Improper Access Control Ethereum $780K
2025-04-04 AIRWA Access Control Improper Access Control BSC $34K
2025-03-18 Voltage V3 Access Control Improper Access Control Fuse $322K
2025-03-18 four.meme Access Control Improper Access Control BSC $80K
2025-03-16 WebKeyDAO Access Control Improper Access Control BSC $73K
2024-12-16 BTC24H Access Control Improper Access Control Polygon $86K
2024-11-26 NFTG Access Control Improper Access Control BSC $10K
2024-11-23 AK1111 Access Control Improper Access Control BSC $32K
2024-11-09 X319 Access Control Improper Access Control BSC $13K
2024-11-07 CoW Access Control Improper Access Control Ethereum $59K
2024-10-22 Erc20transfer Access Control Improper Access Control Ethereum $15K
2024-08-13 Vowcurrency Access Control Improper Access Control Ethereum $1.2M
2024-07-26 Solrise Finance Access Control Improper Access Control Casper $6.7M
2024-06-20 OKX NFT Aggregator Access Control Improper Access Control BSC $14K
2024-05-29 MetaDragon Access Control Improper Access Control BSC $181K
2024-05-28 Orion Protocol Access Control Improper Access Control BSC $645K
2024-05-22 YON Access Control Improper Access Control BSC $118K
2024-05-14 Predy Finance Access Control Improper Access Control Arbitrum $464K
2024-05-10 Galaxy Fox Access Control Improper Access Control Ethereum $330K
2024-04-25 FENGSHOU Access Control Improper Access Control BSC $191K
2024-04-24 XBridge Access Control Improper Access Control Ethereum, BSC $1.4M
2024-03-29 ETHFIN Access Control Improper Access Control BSC $1K
2024-03-20 Dolomite Access Control Improper Access Control Ethereum $1.8M
2024-03-20 ParaSwap Access Control Improper Access Control Ethereum $300K
2024-03-06 ALP Access Control Improper Access Control BSC $10K
2024-02-22 Swarm Markets Access Control Improper Access Control Ethereum $473K
2024-01-27 Citadel.one Access Control Improper Access Control Arbitrum $93K
2024-01-16 Hector Network Access Control Improper Access Control Ethereum $2.7M
2023-11-07 Curve Finance MEV Bot Access Control Improper Access Control Ethereum $2.0M
2023-11-06 TrustPad Access Control Improper Access Control BSC $155K
2023-09-02 DAppSocial Access Control Improper Access Control Ethereum $16K
2023-08-18 Exactly Access Control Improper Access Control Optimism $7.6M
2023-08-01 LeetSwap Access Control Improper Access Control Base $620K
2023-07-31 GYM Network Access Control Improper Access Control BSC $1K
2023-07-25 MetaLabz Access Control Improper Access Control BSC $0
2023-07-18 BNO Access Control Improper Access Control BSC $500K
2023-07-13 Ethscriptions Access Control Improper Access Control Ethereum $3K
2023-07-10 Arcadia V1 Access Control Improper Access Control Ethereum, Optimism $455K
2023-07-08 CIVNFT Access Control Improper Access Control Ethereum $180K
2023-06-30 Biswap Access Control Improper Access Control BSC $72K
2023-06-10 Atlantis Loans Access Control Improper Access Control BSC $2.5M
2023-05-24 Local Traders Access Control Improper Access Control BSC $118K
2023-05-10 SNK (Snooker) Access Control Improper Access Control BSC $198K
2023-05-06 Melo Access Control Improper Access Control BSC $90K
2023-04-10 Terraport Access Control Improper Access Control Terra Classic $4.0M
2023-03-28 Safemoon Access Control Improper Access Control BSC $8.9M
2023-03-10 Hedera Access Control Improper Access Control Hedera $600K
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
2022-12-26 Amun Access Control Improper Access Control Polygon $300K
2022-12-14 FPR Access Control Improper Access Control BSC $29K
2022-12-02 Ankr Access Control Improper Access Control BSC $5.0M
2022-11-29 MBC & ZZSH Access Control Improper Access Control BSC $6K
2022-11-22 AUR Protocol Access Control Improper Access Control BSC $13K
2022-10-27 UvToken Access Control Improper Access Control BSC $1.5M
2022-10-25 ULME Access Control Improper Access Control BSC $250K
2022-10-11 TempleDAO Access Control Improper Access Control Ethereum $2.3M
2022-09-08 Ragnarok Online Invasion Access Control Improper Access Control BSC $44K
2022-09-05 DAO Swap Access Control Improper Access Control BSC $580K
2022-09-02 ShadowFi Access Control Improper Access Control BSC $301K
2022-08-01 Reaper Farm Access Control Improper Access Control Fantom $1.7M
2022-07-02 Crema Finance Access Control Improper Access Control Solana $8.8M
2022-06-08 Gym Network Access Control Improper Access Control BSC $2.1M
2022-06-05 Wintermute Access Control Improper Access Control Optimism $17.6M
2022-05-30 Mirror Access Control Improper Access Control Terra Classic $2.0M
2022-05-24 HackDao Access Control Improper Access Control BSC $65K
2022-05-18 Feminist Metaverse Access Control Improper Access Control BSC $540K
2022-05-17 FEG Token Access Control Improper Access Control BSC, Ethereum $1.9M
2022-04-15 Rikkei Finance Access Control Improper Access Control BSC $1.1M
2022-04-11 CF Token Access Control Improper Access Control BSC $1.9M
2022-03-21 One Ring Finance Access Control Improper Access Control Ethereum $1.4M
2022-03-20 Umbrella Network Access Control Improper Access Control Ethereum, BSC $700K
2022-03-09 Pirate X Access Control Improper Access Control BSC $78K
2022-02-18 Rigoblock Access Control Improper Access Control Ethereum $464K
2022-01-18 Crosswise Access Control Improper Access Control BSC $879K
2022-01-17 Crypto Burger Access Control Improper Access Control BSC $770K
2021-12-03 Polygon Access Control Improper Access Control Polygon $2.0M
2021-10-08 Mirror Access Control Improper Access Control Terra Classic $90.0M
2021-09-04 DAO Maker Vesting Access Control Improper Access Control Ethereum $4.0M
2021-08-19 Solend Access Control Improper Access Control Solana $16K
2021-08-13 NEKO Access Control Improper Access Control BSC $2.2M
2021-08-12 DAO Maker Vesting Access Control Improper Access Control Ethereum $7.0M
2021-08-10 Poly Network Access Control Improper Access Control Ethereum, BSC, Polygon $611.0M
2021-06-24 SharedStake Access Control Improper Access Control Ethereum $500K
2021-06-19 Visor Finance Access Control Improper Access Control Ethereum $505K
2021-05-05 ValueDefi Access Control Improper Access Control BSC $10.0M
2021-04-12 PancakeSwap Access Control Improper Access Control BSC $1.8M
2021-03-09 DODO AMM Access Control Improper Access Control Ethereum $3.8M
2020-11-30 SushiSwap Access Control Improper Access Control Ethereum $15K
2020-07-01 Vether Access Control Improper Access Control Ethereum $450K
2020-06-18 Bancor V3 Access Control Improper Access Control Ethereum $545K
2019-06-27 Bitrue Access Control Improper Access Control XRPL, Cardano $4.7M
2019-06-02 Kraken Access Control Improper Access Control Bitcoin $10.4M
2019-03-25 Coinbene Access Control Improper Access Control Ethereum $40.0M
2018-06-10 Coinrail Access Control Improper Access Control Ethereum $37.2M
2018-02-12 BitGrail Access Control Improper Access Control Nano $170.0M
2016-05-14 Gatecoin Access Control Improper Access Control Ethereum $2.0M
2015-01-27 796 Access Control Improper Access Control Bitcoin $270K
2014-07-13 Mintpal Access Control Improper Access Control Bitcoin $2.0M
2013-11-11 Bitcash Access Control Improper Access Control Bitcoin $100K
2011-06-19 Mt. Gox Access Control Improper Access Control Bitcoin $8.8M

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