cryptonist

Hacks

Crypto hacks on Bitcoin

Data as of 3 October 2026

64 recorded incidents on Bitcoin took $5.4B in total between 2011 and 2026. The largest was LuBian, $3.5B in 2020. That is 4.9% of all incidents in DefiLlama's record and 25.8% of the value lost. A multi-chain incident counts its full amount on each chain it touched, so chain totals overlap and together exceed the overall total. 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, on Bitcoin

  • 2011 $8.8M lost
    1 incidents
  • 2012 $568K lost
    3 incidents
  • 2013 $1.3M lost
    2 incidents
  • 2014 $486.7M lost
    6 incidents
  • 2015 $9.9M lost
    6 incidents
  • 2016 $73.7M lost
    3 incidents
  • 2017 $99.8M lost
    4 incidents
  • 2018 $63.3M lost
    3 incidents
  • 2019 $85.2M lost
    6 incidents
  • 2020 $3.5B lost
    6 incidents
  • 2021 $13.0M lost
    1 incidents
  • 2022 $36.7M lost
    2 incidents
  • 2023 $293.0M lost
    4 incidents
  • 2024 $382.0M lost
    5 incidents
  • 2025 $237.5M lost
    6 incidents
  • 2026 $137.0M lost
    6 incidents
Incidents per year on Bitcoin, with value lost in millions of US dollars. Source: DefiLlama, retrieved 3 October 2026.

Incidents on Bitcoin

Incidents on Bitcoin. Newest first. Source: DefiLlama.
DateIncidentClass TechniqueChainsAmount
2026-09-24 Duelbits Key Compromise Hot Wallet Key Compromised Ethereum, BSC, Bitcoin, Tron $7.0M
2026-08-06 RRWallet Key Compromise Weak Key Generation Bitcoin $2.0M
2026-07-31 COLDCARD Key Compromise Weak Key Generation Bitcoin $116.0M
2026-07-15 TeleSwap Key Compromise Hot Wallet Key Compromised Bitcoin $735K
2026-05-15 THORChain DEX Bridge & Cross-Chain Bridge Logic Flaw Bitcoin, Ethereum, Base, BSC $10.7M
2026-05-01 Bisq Input Validation Missing Input Validation Bitcoin $550K
2025-12-25 Trust Wallet Wallet Frontend & Infrastructure Supply Chain Attack Ethereum, Bitcoin, Solana $8.5M
2025-09-24 SBI Crypto Key Compromise Hot Wallet Key Compromised Bitcoin, Ethereum, Litecoin, Doge, BitcoinCash $21.0M
2025-07-24 WOO X Social Engineering Phishing Bitcoin, Ethereum, Arbitrum, BSC $14.0M
2025-07-16 BigONE Frontend & Infrastructure Supply Chain Attack Bitcoin, BSC, Ethereum, Solana, Tron $27.0M
2025-06-18 Nobitex Social Engineering Malware Tron, Ethereum, BSC, Avalanche, Arbitrum, Polygon, Bitcoin $82.0M
2025-01-23 Phemex Key Compromise Hot Wallet Key Compromised Ethereum, Solana, XRPL, Bitcoin, BSC, Sui, Base, Tron, Arbitrum, Avalanche, Polygon, Optimism, zkSync Era $85.0M
2024-10-31 M2 Exchange Key Compromise Hot Wallet Key Compromised Ethereum, Solana, Bitcoin $13.7M
2024-06-04 Lykke Key Compromise Hot Wallet Key Compromised Ethereum, Bitcoin $22.4M
2024-05-31 DMM Bitcoin Social Engineering Phishing Bitcoin $305.0M
2024-04-29 Rain Key Compromise Private Key Compromised Bitcoin, Ethereum, XRPL, Solana $14.8M
2024-02-18 FixedFloat Frontend & Infrastructure Key Leaked via Infrastructure Ethereum, Bitcoin $26.1M
2023-11-10 Poloniex Social Engineering Malware Tron, Ethereum, Bitcoin $126.0M
2023-09-12 CoinEx Key Compromise Hot Wallet Key Compromised Ethereum, BSC, Bitcoin, Tron, Kadena, Solana, Dagger, XRPL, BitcoinCash, Polygon, Stellar, Arbitrum $55.0M
2023-09-07 Fortress Trust Frontend & Infrastructure Key Leaked via Infrastructure Ethereum, Bitcoin $12.0M
2023-06-03 Atomic Wallet Frontend & Infrastructure Supply Chain Attack Ethereum, Tron, BSC, Bitcoin, Polkadot, Avalanche $100.0M
2022-12-03 BTC.com Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin, Ethereum $3.0M
2022-01-18 Crypto.com Frontend & Infrastructure Session Key Compromised Ethereum, Bitcoin $33.7M
2021-10-04 pNetwork Bridge & Cross-Chain Spoofed Event Log BSC, Bitcoin $13.0M
2020-12-28 LuBian Key Compromise Weak Key Generation Bitcoin $3.5B
2020-09-08 Eterbase Key Compromise Hot Wallet Key Compromised Bitcoin, Ethereum, XRPL, Tezos, Algorand, Tron $5.4M
2020-07-31 2gether Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin, Ethereum $1.2M
2020-07-11 Cashaa Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin $3.1M
2020-04-08 Bisq Protocol Logic Withdrawal Logic Flaw Bitcoin $248K
2020-02-05 Altsbit Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin, Ethereum $70K
2019-07-12 BitPoint Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin, Ethereum, Litecoin, XRPL $27.6M
2019-06-02 Kraken Access Control Improper Access Control Bitcoin $10.4M
2019-05-07 Binance Key Compromise Hot Wallet Key Compromised Bitcoin $40.0M
2019-03-24 DragonEx Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin, Ethereum, EOS, XRPL, NEM, Ethereum Classic $7.0M
2019-03-24 Etbox Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin, Ethereum $132K
2019-01-26 LocalBitcoins Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin $27K
2018-11-07 Gate Frontend & Infrastructure Supply Chain Attack Bitcoin, Ethereum $0
2018-09-14 Zaif Key Compromise Hot Wallet Key Compromised Bitcoin $60.0M
2018-04-12 Coinsecure Key Compromise Private Key Compromised Bitcoin $3.3M
2017-12-19 Youbit Key Compromise Hot Wallet Key Compromised Bitcoin $0
2017-12-08 NiceHash Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin $64.0M
2017-11-19 Tether Key Compromise Private Key Compromised Bitcoin $31.0M
2017-04-27 Yapizon Key Compromise Hot Wallet Key Compromised Bitcoin $4.8M
2016-10-13 Bitcurex Key Compromise Hot Wallet Key Compromised Bitcoin $1.5M
2016-08-02 Bitfinex Key Compromise Hot Wallet Key Compromised Bitcoin $72.0M
2016-04-07 ShapeShift Key Compromise Private Key Compromised Bitcoin $230K
2015-08-15 BTER Key Compromise Private Key Compromised Bitcoin $1.6M
2015-05-22 Bitfinex Key Compromise Hot Wallet Key Compromised Bitcoin $329K
2015-02-18 KipCoin Key Compromise Private Key Compromised Bitcoin $728K
2015-02-17 BTER Key Compromise Private Key Compromised Bitcoin $1.8M
2015-01-27 796 Access Control Improper Access Control Bitcoin $270K
2015-01-05 Bitstamp Social Engineering Phishing Bitcoin $5.2M
2014-07-29 Cryptsy Key Compromise Private Key Compromised Bitcoin, Litecoin $9.6M
2014-07-13 Mintpal Access Control Improper Access Control Bitcoin $2.0M
2014-03-04 Poloniex Protocol Logic Withdrawal Logic Flaw Bitcoin $50K
2014-03-02 Flexcoin Protocol Logic Withdrawal Logic Flaw Bitcoin $600K
2014-02-17 Picostocks Key Compromise Private Key Compromised Bitcoin $4.4M
2014-02-07 Mt. Gox Key Compromise Private Key Compromised Bitcoin $470.0M
2013-11-11 Bitcash Access Control Improper Access Control Bitcoin $100K
2013-10-23 Inputs.io Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin $1.2M
2012-09-05 Bitfloor Frontend & Infrastructure Key Stored Publicly Bitcoin $250K
2012-05-11 Bitcoinica Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin $90K
2012-03-01 Bitcoinica Frontend & Infrastructure Key Leaked via Infrastructure Bitcoin $228K
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.