Crypto Hacks

The biggest crypto hacks of all time

The ten largest crypto hacks ever, then the top 10 of every year since 2015, ranked by the dollar value taken, with what each year cost in total.

Last updated · Data last changed · Checked daily

$30.6B
stolen since 2015
2,391 incidents
2026
worst year on record
$9.04B stolen
$9.04B
stolen so far in 2026
440 incidents

Top 10 biggest crypto hacks of all time

  1. 1

    Binance

    Oct 29, 2026CEXEthereumBitcoinTRON+4 chains
    $6.36B

    Attackers gained access to Binance’s internal systems and signing privileges, then made unauthorized withdrawals across multiple blockchains. Some stolen assets were frozen or intercepted, and Binance said it would cover the losses.

    How Key Leaked via Infrastructure (Frontend & Infrastructure)Chains Ethereum, Bitcoin, TRON, Avalanche, Optimism, Arbitrum, BaseReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    LuBian

    Dec 28, 2020OtherBitcoin
    $3.5B

    An attacker exploited weak key generation in LuBian’s infrastructure to guess private keys and steal 127,426 BTC from its mining pool.

    How Weak Key Generation (Key Compromise)Chains BitcoinReported loss $3.5B to $14.8BReported by DefiLlama, RektRecord updated Nov 12, 2026

  3. 3

    Bybit

    Feb 21, 2025CEXEthereum$1.4B returned
    $1.4B

    Attackers tricked Bybit signers into approving a masked transaction that changed the hot wallet’s security rules, using a spoofed Safe interface. This enabled the theft of over $1.4 billion in ETH and other assets.

    How Signer Phishing (Social Engineering)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  4. 4

    BeautyChain

    Apr 22, 2018TokenEthereum
    $1B

    An integer overflow in BeautyChain’s batchTransfer function let attackers create an enormous number of BEC tokens, which they sent to two addresses and sold. Exchanges later halted BEC and SMT trading, limiting the loss.

    How Infinite Mint (Token & Share Accounting)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  5. 5

    Ronin Network

    Mar 23, 2022DeFi ProtocolBridgeEthereum
    $624M

    Attackers obtained enough Ronin validator keys to approve fake bridge withdrawals, taking 173,600 ETH and 25.5 million USDC. The breach was discovered six days later.

    How Validator Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  6. 6

    Poly Network

    Aug 10, 2021DeFi ProtocolBridgeEthereumBSCPolygon
    $611M

    Attackers exploited access-control and cryptography flaws in Poly Network’s cross-chain bridge contracts, taking over $610 million across Ethereum, BSC and Polygon. The attacker later returned nearly all the funds, keeping only transaction fees.

    How Improper Access Control (Access Control)Chains Ethereum, BSC, PolygonReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  7. 7

    BNB Bridge

    Oct 6, 2022DeFi ProtocolBridgeBSC
    $570M

    An incomplete check of Merkle proofs in BNB Chain’s Token Hub bridge let an attacker forge proofs and mint 2 million BNB. The chain was paused; about $137 million was moved out before the attack was contained, while $433 million remained frozen.

    How Proof Verifier Bug (Bridge & Cross-Chain)Chains BSCReported by DefiLlama, RektRecord updated Nov 12, 2026

  8. 8

    Coincheck

    Jan 26, 2018CEXNEM
    $534M

    Attackers stole customers’ NEM coins from Coincheck’s internet-connected hot wallet, which used a single key rather than requiring multiple approvals. The exchange began reimbursing affected customers.

    How Hot Wallet Key Compromised (Key Compromise)Chains NEMReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  9. 9

    Vires Finance

    Apr 5, 2022
    $530M

    Vires Finance suffered reported losses exceeding $530 million, but the description does not establish how the funds left. Its founder denied allegations that his wallet was linked to the outflow.

    How UnknownReported by SlowMistRecord updated Nov 12, 2026

  10. 10

    MtGox

    Feb 7, 2014CEXBitcoin
    $470M

    Attackers gained access to Mt. Gox’s hot wallet and siphoned bitcoins over several years. About 850,000 BTC belonging to customers and the company went missing.

    How Private Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

Crypto stolen in hacks, per year

  1. 2026$9.04B440 incidents
  2. 2025$2.8B252 incidents
  3. 2024$1.95B417 incidents
  4. 2023$1.84B402 incidents
  5. 2022$4.39B307 incidents
  6. 2021$3.13B236 incidents
  7. 2020$4.42B111 incidents
  8. 2019$277M119 incidents
  9. 2018$2.33B84 incidents
  10. 2017$289M12 incidents
  11. 2016$136M5 incidents
  12. 2015$9.93M6 incidents

Top 10 crypto hacks of 2026

$9.04B stolen in 440 incidents

  1. 1

    Binance

    Oct 29, 2026CEXEthereumBitcoinTRON+4 chains
    $6.36B

    Attackers gained access to Binance’s internal systems and signing privileges, then made unauthorized withdrawals across multiple blockchains. Some stolen assets were frozen or intercepted, and Binance said it would cover the losses.

    How Key Leaked via Infrastructure (Frontend & Infrastructure)Chains Ethereum, Bitcoin, TRON, Avalanche, Optimism, Arbitrum, BaseReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    Bitget

    Sep 24, 2026CEXEthereumXRPTron+1 chains
    $387M

    Attackers used access obtained through a third-party security product to issue fraudulent withdrawal commands from Bitget hot and warm wallets. About $387.5 million was transferred to attacker-controlled addresses; Bitget said private keys and cold wallets were not compromised and the incident was contained.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, XRP, Tron, ZcashReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  3. 3

    Liquid Network

    Sep 6, 2026ChainBridgeLiquid
    $320M

    A vulnerability in Liquid’s underlying Elements software let an attacker create unbacked L-BTC and use SideSwap’s normal withdrawal service to make the federation release about 3,996 BTC. The attacker later returned 3,400 BTC and retained about 598.5 BTC; no keys were compromised.

    How Unbacked Cross-Chain Mint (Bridge & Cross-Chain)Chains LiquidReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  4. 4

    Drift Protocol

    Apr 1, 2026DeFi ProtocolSolana
    $295M

    Attackers tricked Drift Protocol security council members into pre-signing transactions that gave them administrative control. They listed a worthless fake token as collateral, deposited it, and withdrew about $285 million in real assets.

    How Proxy Upgrade Hijack (Access Control)Chains SolanaReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  5. 5

    Kelp DAO

    Apr 18, 2026DeFi ProtocolBridgeEthereumArbitrum
    $293M

    Attackers compromised RPC nodes used to verify Kelp DAO’s rsETH bridge messages and made the single-verifier setup accept forged messages. This enabled about $290 million in losses; LayerZero said its protocol and other applications were not affected.

    How Cross-Chain Message Spoofing (Bridge & Cross-Chain)Chains Ethereum, ArbitrumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  6. 6

    Crédit Mutuel Arkéa

    Nov 1, 2026
    $133M

    An attacker accessed a third-party service provider’s platform and used Crédit Mutuel Arkéa’s accounts to transfer funds to other financial institutions; some may later have been converted to cryptocurrency. The bank said customer assets were unaffected, while the final loss remained under assessment.

    How Supply Chain AttackReported by SlowMistRecord updated Nov 12, 2026

  7. 7

    Tectonic

    Aug 30, 2026DeFi ProtocolCronos
    $124M

    The attacker repeatedly borrowed and redeposited TONIC, then sent TONIC directly to its receipt-token contract to inflate the collateral value; an unreliable price feed compounded the effect. Tectonic’s lending markets lost about $120 million, but a Cronos rollback recovered most of it; about $9.19 million remains unrecovered.

    How Donation Attack (Token & Share Accounting)Chains CronosReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  8. 8

    Coldcard

    Jul 31, 2026WalletBitcoin
    $116M

    A Coldcard firmware flaw bypassed the hardware random-number generator during seed creation, leaving some wallet keys weak enough to guess offline. Attackers used this to drain bitcoin from many addresses without accessing the devices.

    How Weak Key Generation (Key Compromise)Chains BitcoinReported loss $100M to $130MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  9. 9

    Ledger (Supply Chain)

    Oct 9, 2026Wallet
    $93M

    Genuine Ledger hardware wallets were secretly modified to capture recovery phrases during setup and send them over cellular connections. Attackers used the phrases to access and drain customers’ crypto; Ledger said its core systems were not compromised.

    How Supply Chain Attack (Frontend & Infrastructure)Reported by DefiLlamaRecord updated Nov 12, 2026

  10. 10

    Nesa

    Aug 24, 2026ChainNesa
    $50M

    Nesa confirmed an exploit involving a Cosmos EVM vulnerability, and reports said an attacker bridged 257.7 million NES to Ethereum. Nesa did not publish transaction-level details of the exploit; the reported mechanism resembles a balance-accounting bug affecting other Cosmos EVM chains.

    How Arithmetic Error (Token & Share Accounting)Chains NesaReported by DefiLlama, RektRecord updated Nov 12, 2026

Top 10 crypto hacks of 2025

$2.8B stolen in 252 incidents

  1. 1

    Bybit

    Feb 21, 2025CEXEthereum$1.4B returned
    $1.4B

    Attackers tricked Bybit signers into approving a masked transaction that changed the hot wallet’s security rules, using a spoofed Safe interface. This enabled the theft of over $1.4 billion in ETH and other assets.

    How Signer Phishing (Social Engineering)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    Cetus

    May 22, 2025DeFi ProtocolSui
    $223M

    A math error in Cetus’s liquidity calculations let attackers create positions showing large amounts of fake liquidity with minimal deposits, then withdraw real pool assets. Sui validators froze some of the funds, while others escaped.

    How Arithmetic Error (Token & Share Accounting)Chains SuiReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  3. 3

    Balancer V2

    Nov 3, 2025DeFi ProtocolEthereumArbitrumBase+3 chains
    $128M

    A rounding flaw in Balancer V2’s stable-pool swap calculations let attackers manipulate pool values and withdraw assets for far less than they were worth. The exploit affected pools across several chains; mitigation efforts protected or recovered some funds.

    How Rounding Error (Token & Share Accounting)Chains Ethereum, Arbitrum, Base, Polygon, Sonic, OptimismReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  4. 4

    Bitget

    Apr 20, 2025CEX
    $100M

    Bitget’s market-making bot entered a predictable trading loop on the VOXEL/USDT futures pair. Traders used high leverage to extract about $100 million before Bitget froze accounts and rolled back trades.

    How Market Maker Bot Exploited (Market Manipulation)Reported by DefiLlamaRecord updated Nov 12, 2026

  5. 5

    Phemex

    Jan 23, 2025CEXEthereumSolanaXRP+10 chains
    $85M

    Attackers compromised Phemex’s hot-wallet private keys and signing systems, draining wallets across multiple blockchains. Reported losses ranged from about $69 million to $85 million.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, Solana, XRP, Bitcoin, BSC, Sui, Base, Tron, Arbitrum, Avalanche, Polygon, Optimism, zkSync EraReported loss $70M to $85MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  6. 6

    Nobitex

    Jun 18, 2025CEXTronEthereumBSC+4 chains
    $82M

    Compromised hot-wallet keys let attackers steal roughly $82–90 million from Nobitex across multiple blockchains. The attackers sent the stolen assets to inaccessible addresses, destroying rather than keeping them.

    How Malware (Social Engineering)Chains Tron, Ethereum, BSC, Avalanche, Arbitrum, Polygon, BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  7. 7

    UPCX

    Apr 1, 2025DeFi ProtocolEthereum
    $70M

    Using a compromised private key, an attacker upgraded UPCX’s ProxyAdmin contract and used an admin withdrawal function to move 18.4 million UPC from three management accounts. UPCX later said it still controlled the tokens while it investigated.

    How Proxy Upgrade Hijack (Access Control)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  8. 8

    Infini

    Feb 24, 2025DeFi ProtocolEthereum
    $49.5M

    A former Infini developer who retained vault-draining privileges used admin access to drain the contract. The stolen USDC was converted into ETH.

    How Private Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  9. 9

    BtcTurk

    Aug 14, 2025CEXEthereumAvalancheArbitrum+4 chains
    $48M

    BtcTurk’s hot wallets were hit across seven blockchains after private keys were compromised, with reports estimating losses in the tens of millions of dollars. The exchange acknowledged unusual wallet activity and suspended deposits and withdrawals.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, Avalanche, Arbitrum, Base, Optimism, Mantle, PolygonReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  10. 10

    CoinDCX

    Jul 19, 2025CEX
    $44.2M

    A server breach exposed the private key for CoinDCX’s operational hot wallet, and the attacker stole about $44 million in corporate funds, moving assets from Solana to Ethereum. Customer funds in cold storage were unaffected.

    How Hot Wallet Key Compromised (Key Compromise)Reported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

Top 10 crypto hacks of 2024

$1.95B stolen in 417 incidents

  1. 1

    DMM Bitcoin

    May 31, 2024CEXBitcoin$305M returned
    $305M

    Attackers compromised a DMM Bitcoin employee and intercepted legitimate transactions to drain the exchange’s hot wallet, taking about 48.2 billion yen worth of bitcoin.

    How Phishing (Social Engineering)Chains BitcoinReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    PlayDapp

    Feb 9, 2024DeFi ProtocolEthereum
    $290M

    After PlayDapp’s deployer key was compromised, an attacker added themselves as a PLA token minter and minted large quantities of tokens in two transactions. PlayDapp later paused the token contract.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  3. 3

    WazirX

    Jul 18, 2024CEXEthereum
    $235M

    Attackers compromised a WazirX multisignature wallet held with Liminal, causing a loss of more than $230 million in tokens. A multisignature wallet requires approval from multiple signers to move funds.

    How Signer Phishing (Social Engineering)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  4. 4

    Chris Larsen

    Jan 31, 2024
    $113M

    Unauthorized access to Chris Larsen’s personal XRP accounts led to the theft of 213 million XRP. Some affected addresses were frozen after exchanges were notified.

    How Private Key LeakageReported by SlowMistRecord updated Nov 12, 2026

  5. 5

    Munchables

    Mar 26, 2024GamingBlast
    $62.5M

    A developer used control of Munchables’ upgradeable proxy—a contract that can be updated—to assign themselves funds and drain about $62.5 million. The developer later returned the funds, which were secured in a multisig wallet.

    How Proxy Upgrade Hijack (Access Control)Chains BlastReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  6. 6

    BitForex

    Feb 23, 2024
    $56.5M

    BitForex experienced suspicious fund outflows across multiple blockchains, after which the exchange restricted access and stopped processing withdrawals. The reports describe a suspected exit scam, but do not confirm who took the funds or what happened to them.

    How UnknownReported by SlowMistRecord updated Nov 12, 2026

  7. 7

    BtcTurk

    Jun 22, 2024CEX
    $54M

    Attackers compromised private keys to BtcTurk’s hot wallets and stole cryptocurrency, mainly targeting Avalanche holdings. Binance froze $5.3 million in recovered funds, and the exchange halted deposits and withdrawals while investigating.

    How Hot Wallet Key Compromised (Key Compromise)Reported loss $54M to $90MReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  8. 8

    Radiant Capital

    Oct 16, 2024DeFi ProtocolBSCArbitrum
    $50M

    Attackers used malware to compromise devices belonging to three Radiant contributors, then deceived multisig signers into approving malicious transactions that gave the attackers control of lending markets on BNB Chain and Arbitrum, which they drained.

    How Blind Signing (Social Engineering)Chains BSC, ArbitrumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  9. 9

    Hedgey

    Apr 19, 2024DeFi ProtocolArbitrumEthereum
    $44.7M

    Attackers exploited missing checks in Hedgey’s `createLockedCampaign` function, using flash loans to bypass access controls and create fraudulent approvals. Vault funds were stolen from the Ethereum and Arbitrum networks.

    How Missing Input Validation (Input Validation)Chains Arbitrum, EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  10. 10

    BingX

    Sep 20, 2024CEXEthereum
    $43.3M

    Attackers breached BingX’s hot wallets and drained about $43 million in cryptocurrency. BingX said it would reimburse affected users from its reserves.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

Top 10 crypto hacks of 2023

$1.84B stolen in 402 incidents

  1. 1

    Mixin Network

    Sep 23, 2023OtherMixin
    $200M

    Attackers breached a cloud provider’s database containing Mixin Network hot-wallet credentials and drained wallets holding ETH, BTC, and USDT, with about $200 million involved.

    How Database Breach (Frontend & Infrastructure)Chains MixinReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    Euler Finance

    Mar 13, 2023DeFi ProtocolEthereum$240M returned
    $197M

    An attacker used flash loans and a flaw in Euler’s reserve-donation and liquidation logic to drain DAI, USDC, stETH, and WBTC. The attacker later returned all the stolen funds.

    How Donation Attack (Token & Share Accounting)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  3. 3

    Poloniex

    Nov 10, 2023CEXTronEthereumBitcoin
    $126M

    Attackers compromised Poloniex hot-wallet private keys, draining funds across Ethereum, Tron, and Bitcoin. The cause was reported as possibly malware or social engineering, and Justin Sun committed to full reimbursement.

    How Malware (Social Engineering)Chains Tron, Ethereum, BitcoinReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  4. 4

    Multichain

    Jul 7, 2023DeFi ProtocolBridgeMoonriverBSCFantom
    $126M

    About $126 million in assets were withdrawn from Multichain bridge reserves on Fantom, Moonriver and Dogechain. The team said it did not know what had happened and urged users to stop using the service.

    How Validator Key Compromised (Key Compromise)Chains Moonriver, BSC, FantomReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  5. 5

    Atomic

    Jun 3, 2023WalletEthereumTronBSC+3 chains
    $100M

    Atomic Wallet users lost funds after the wallet application was compromised. Reports described about 5,500 affected wallets, but the cause had not been officially confirmed.

    How Supply Chain Attack (Frontend & Infrastructure)Chains Ethereum, Tron, BSC, Bitcoin, Polkadot, AvalancheReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  6. 6

    HTX & Heco

    Nov 22, 2023DeFi ProtocolBridgeEthereum
    $86.6M

    The HECO Chain bridge to Ethereum and HTX were hacked after an operator account was compromised, allowing unauthorized withdrawals. Reports differed on the combined losses, and the funds’ destination is not specified.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported loss $86.6M to $113MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  7. 7

    Orbit Chain

    Dec 31, 2023DeFi ProtocolBridgeEthereum
    $81.7M

    Attackers compromised seven of Orbit Bridge’s ten multisig signers’ private keys, allowing them to forge withdrawal approvals and drain the Ethereum vault. Orbit Chain asked exchanges to freeze the stolen assets.

    How Signature Verification Flaw (Input Validation)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  8. 8

    Curve Finance

    Jul 30, 2023DeFi ProtocolEthereum
    $61.7M

    A bug in Vyper’s reentrancy locks, which are meant to block repeated contract calls, let attackers drain several Curve pools. Some of the stolen funds were later returned.

    How Vyper Compiler Bug (Reentrancy)Chains EthereumReported loss $25.1M to $69.3MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  9. 9

    Alphapo

    Jul 26, 2023CEXEthereumTron
    $60M

    Alphapo’s hot-wallet keys were compromised, and attackers drained funds across Ethereum, Tron and Bitcoin. The stolen cryptocurrency was moved between networks, and the total reported loss reached about $60 million.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, TronReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  10. 10

    CoinEx

    Sep 12, 2023CEXEthereumBSCBitcoin+9 chains
    $55M

    Attackers accessed CoinEx’s hot-wallet private keys and drained funds across multiple blockchains. Loss estimates ranged from $31 million to $70 million; CoinEx suspended deposits and withdrawals while it investigated.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, BSC, Bitcoin, Tron, Kadena, Solana, Dagger, XRP, BitcoinCash, Polygon, Stellar, ArbitrumReported loss $54.3M to $70MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

Top 10 crypto hacks of 2022

$4.39B stolen in 307 incidents

  1. 1

    Ronin Network

    Mar 23, 2022DeFi ProtocolBridgeEthereum
    $624M

    Attackers obtained enough Ronin validator keys to approve fake bridge withdrawals, taking 173,600 ETH and 25.5 million USDC. The breach was discovered six days later.

    How Validator Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    BNB Bridge

    Oct 6, 2022DeFi ProtocolBridgeBSC
    $570M

    An incomplete check of Merkle proofs in BNB Chain’s Token Hub bridge let an attacker forge proofs and mint 2 million BNB. The chain was paused; about $137 million was moved out before the attack was contained, while $433 million remained frozen.

    How Proof Verifier Bug (Bridge & Cross-Chain)Chains BSCReported by DefiLlama, RektRecord updated Nov 12, 2026

  3. 3

    Vires Finance

    Apr 5, 2022
    $530M

    Vires Finance suffered reported losses exceeding $530 million, but the description does not establish how the funds left. Its founder denied allegations that his wallet was linked to the outflow.

    How UnknownReported by SlowMistRecord updated Nov 12, 2026

  4. 4

    FTX

    Nov 12, 2022CEXEthereumSolana
    $450M

    FTX’s crypto wallets were compromised during the company’s bankruptcy, and more than $600 million in assets was reported stolen. Reports differed on the amount and how the wallets were accessed.

    How Phishing (Social Engineering)Chains Ethereum, SolanaReported loss $450M to $600MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  5. 5

    Wormhole

    Feb 2, 2022DeFi ProtocolBridgeSolana$326M returned
    $326M

    Attackers exploited outdated signature verification on Wormhole to mint 120,000 wrapped ETH on Solana without locking equivalent ETH on Ethereum, then exchanged it for real ETH.

    How Signature Verification Flaw (Input Validation)Chains SolanaReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  6. 6

    Nomad

    Aug 1, 2022DeFi ProtocolBridgeEthereum
    $190M

    A setup error made Nomad’s bridge accept messages without verifying them, allowing attackers to forge instructions and drain about $190 million. More than $36 million was later returned.

    How Forged Proof (Bridge & Cross-Chain)Chains EthereumReported loss $154M to $190MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  7. 7

    Beanstalk

    Apr 17, 2022DeFi ProtocolEthereum
    $181M

    An attacker borrowed funds to gain enough temporary voting power to pass malicious Beanstalk proposals, then drained protocol assets. They also sent funds to a Ukraine charity; reports differ on the total stolen and how much the attacker kept.

    How Flashloan Governance Attack (Governance)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  8. 8

    Wintermute

    Sep 20, 2022OtherEthereum
    $160M

    Attackers derived Wintermute’s DeFi wallet key by exploiting a weak seed used by the Profanity vanity-address generator, which creates custom wallet addresses. The compromised wallet held funds for DeFi operations; other operations were not affected.

    How Phishing (Social Engineering)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  9. 9

    Mango

    Oct 11, 2022DeFi ProtocolSolana
    $115M

    The attacker used large MNGO purchases to inflate the token’s price reported by price feeds, making their collateral appear far more valuable. They then borrowed and withdrew about $100 million in assets from Mango’s lending pools.

    How Spot Price Manipulation (Oracle Manipulation)Chains SolanaReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  10. 10

    Elrond

    Jun 5, 2022DeFi ProtocolElrond
    $113M

    A newly added blockchain function let an attacker create and take nearly 1.65 million EGLD, converting some into unbacked WEGLD. The team recovered and burned the illegal tokens, and said nearly all stolen funds were recovered.

    How Infinite Mint (Token & Share Accounting)Chains ElrondReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

Top 10 crypto hacks of 2021

$3.13B stolen in 236 incidents

  1. 1

    Poly Network

    Aug 10, 2021DeFi ProtocolBridgeEthereumBSCPolygon
    $611M

    Attackers exploited access-control and cryptography flaws in Poly Network’s cross-chain bridge contracts, taking over $610 million across Ethereum, BSC and Polygon. The attacker later returned nearly all the funds, keeping only transaction fees.

    How Improper Access Control (Access Control)Chains Ethereum, BSC, PolygonReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  2. 2

    BitMart

    Dec 4, 2021CEXEthereumBSC
    $196M

    Attackers compromised BitMart’s Ethereum and BNB Chain hot wallets and stole cryptocurrency from them. Other wallets were reported unaffected.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, BSCReported loss $150M to $196MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  3. 3

    Compound

    Sep 29, 2021DeFi ProtocolEthereum
    $147M

    An off-by-one error in Compound V2’s COMP distribution logic caused users to claim far more tokens than intended after a governance proposal took effect. Deposits and borrowed funds were reported not to be at risk.

    How Arithmetic Error (Token & Share Accounting)Chains EthereumReported loss $80M to $147MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  4. 4

    Vulcan Forged

    Dec 13, 2021DeFi ProtocolEthereumPolygon
    $140M

    An attacker compromised Venly’s semi-custodial servers and obtained credentials to access Vulcan Forged users’ wallets, stealing more than 4.5 million PYR. The project later returned most or all of the stolen tokens to affected wallets.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, PolygonReported loss $103M to $140MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  5. 5

    BXH

    Oct 30, 2021DeFi ProtocolBSC
    $139M

    An attacker obtained BXH’s administrative private key and used it to authorize a transaction transferring tokens from the protocol’s Binance Smart Chain assets to the attacker’s account. The reported amount was $139 million.

    How Private Key Compromised (Key Compromise)Chains BSCReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  6. 6

    Cream Finance

    Oct 27, 2021DeFi ProtocolEthereum
    $130M

    Attackers used flash loans to manipulate the price of yUSD and exploit accounting across Cream Finance’s connected lending and trading protocols. They created unbacked tokens and took about $130 million in assets.

    How Spot Price Manipulation (Oracle Manipulation)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  7. 7

    BadgerDAO

    Dec 2, 2021DeFi ProtocolEthereum
    $120M

    An attacker used a compromised Cloudflare API key to add malicious code to BadgerDAO’s website, tricking users into approving token transfers. Assets were taken from about 200 accounts, including bitcoin and ether.

    How CDN Compromise (Frontend & Infrastructure)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  8. 8

    Venus

    May 18, 2021DeFi ProtocolBSC
    $100M

    An attacker drove up XVS’s price on exchanges, then used the inflated token as collateral to borrow large amounts of Bitcoin and Ether from Venus. The price later fell, leaving the protocol with about $77 million in losses.

    How Spot Price Manipulation (Oracle Manipulation)Chains BSCReported loss $100M to $145MReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  9. 9

    Liquid

    Aug 19, 2021CEXEthereum
    $91.4M

    Attackers compromised Liquid Global’s warm wallets, using information from a previous breach to break into its MPC wallet system. They stole various cryptocurrencies, and the exchange suspended deposits and withdrawals while investigating.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  10. 10

    Mirror Protocol

    Oct 8, 2021DeFi ProtocolTerra
    $90M

    Attackers exploited a flaw in Mirror Protocol’s collateral-unlock logic, using duplicate IDs to unlock more collateral than they were entitled to. They drained about $89.7 million before the exploit was detected.

    How Improper Access Control (Access Control)Chains TerraReported by DefiLlama, RektRecord updated Nov 12, 2026

Top 10 crypto hacks of 2020

$4.42B stolen in 111 incidents

  1. 1

    LuBian

    Dec 28, 2020OtherBitcoin
    $3.5B

    An attacker exploited weak key generation in LuBian’s infrastructure to guess private keys and steal 127,426 BTC from its mining pool.

    How Weak Key Generation (Key Compromise)Chains BitcoinReported loss $3.5B to $14.8BReported by DefiLlama, RektRecord updated Nov 12, 2026

  2. 2

    KuCoin

    Sep 29, 2020CEXEthereum
    $281M

    Attackers obtained the keys to KuCoin’s hot wallets and stole cryptocurrency, including Bitcoin and tokens. KuCoin recovered most of the funds through tracking, contract changes, and law enforcement cooperation, and said it would cover users’ losses.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported loss $45M to $281MReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  3. 3

    YFValue

    Aug 24, 2020
    $170M

    A flaw in YFValue’s staking pool let malicious users reset the pool’s timer. The team said funds worth about $170 million were at risk of being locked, and an attacker tried to use the flaw to blackmail it; no funds were reported stolen.

    How Staking Pool VulnerabilityReported by SlowMistRecord updated Nov 12, 2026

  4. 4

    Compounder.Finance

    Dec 1, 2020
    $80M

    Compounder.Finance project owners transferred large amounts of tokens to their own accounts, causing the project to lose tokens worth about 80 million yuan.

    How Project owner internal operationsReported by SlowMistRecord updated Nov 12, 2026

  5. 5

    Saffron Finance

    Nov 30, 2020
    $50M

    A flaw in Saffron Finance’s redemption contracts left deposits from its first cycle locked for eight weeks. The team was working on a fix and a transition to the next cycle.

    How Contract VulnerabilityReported by SlowMistRecord updated Nov 12, 2026

  6. 6

    Josh Jones

    Feb 22, 2020
    $45M

    Josh Jones had about $45 million in digital currency stolen after his SIM card was hacked.

    How SIM card is hackedReported by SlowMistRecord updated Nov 12, 2026

  7. 7

    Ravencoin

    Jul 3, 2020
    $40M

    A vulnerability in Ravencoin allowed unknown parties to create extra RVN, amounting to 1.5% of the planned total supply. The tokens may have been sold, but the report does not give a confirmed loss amount.

    How Minting AttackReported by SlowMistRecord updated Nov 12, 2026

  8. 8

    Lendf.Me

    Apr 19, 2020DeFi ProtocolEthereum
    $25M

    An attacker exploited a reentrancy flaw in Lendf.Me, repeatedly moving tokens before the protocol updated its balances, and stole funds. Law enforcement and exchanges helped recover the funds within days.

    How Reentrancy (Reentrancy)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  9. 9

    Harvest Finance

    Oct 26, 2020DeFi ProtocolEthereum
    $24M

    An attacker used a flash loan to manipulate prices in Curve’s stablecoin pool, repeatedly minting and redeeming Harvest Finance tokens to drain funds. The attacker later returned about $2.5 million, reducing users’ losses.

    How Spot Price Manipulation (Oracle Manipulation)Chains EthereumReported by DefiLlama, SlowMist, RektRecord updated Nov 12, 2026

  10. 10

    Electrum

    Oct 12, 2020
    $22M

    Hackers stole Bitcoin from Electrum wallet users by tricking them into installing fake software updates. Older versions of the app remained vulnerable.

    How Fake software updatesReported by SlowMistRecord updated Nov 12, 2026

Top 10 crypto hacks of 2019

$277M stolen in 119 incidents

  1. 1

    Upbit

    Nov 27, 2019CEXEthereum
    $49.3M

    Attackers compromised Upbit’s Ethereum hot wallet and stole 342,000 ETH. The exchange froze deposits and withdrawals, moved its remaining hot-wallet funds to cold storage, and said it would cover the loss.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  2. 2

    Binance

    May 7, 2019CEXBitcoin
    $40M

    Attackers obtained Binance user credentials and other information through methods including phishing and malware, then withdrew 7,000 BTC. Binance reimbursed affected customers from its insurance fund.

    How Hot Wallet Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  3. 3

    CoinBene

    Mar 25, 2019CEXEthereum
    $40M

    Coinbene’s hot wallet was compromised, and ERC-20 tokens were drained to unknown addresses. Reports described large amounts of Coinbene and Maximine tokens being stolen and sold.

    How Improper Access Control (Access Control)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  4. 4

    BitPoint

    Jul 12, 2019CEXBitcoinEthereumLitecoin+1 chains
    $27.6M

    Attackers breached BitPoint’s hot wallets and stole several cryptocurrencies, including BTC, BCH, ETH and LTC. The exchange later recovered some funds from overseas platforms and reimbursed customers.

    How Key Leaked via Infrastructure (Frontend & Infrastructure)Chains Bitcoin, Ethereum, Litecoin, XRPReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  5. 5

    Coinbin

    Feb 20, 2019CEXEthereum
    $26M

    Coinbin’s former CEO stole more than 100 ETH from an Ethereum wallet, claiming the key had been lost. Employee embezzlement and growing debts left the exchange filing for bankruptcy.

    How Admin Drain (Rugpull)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  6. 6

    Bithumb

    Mar 29, 2019CEXEthereumRipple
    $19M

    Bithumb’s internet-connected wallet was accessed using private keys, and EOS and XRP were stolen; reports differed on the amount of EOS taken. The exchange suspected insider involvement, and said customer funds were in cold storage.

    How Hot Wallet Key Compromised (Key Compromise)Chains Ethereum, RippleReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  7. 7

    Cryptopia

    Jan 14, 2019CEXEthereum
    $16M

    Attackers compromised Cryptopia’s hot-wallet keys and made unauthorized transfers, stealing cryptocurrency from customer holdings. The exchange later reported another breach and theft before entering liquidation.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  8. 8

    Kraken

    Jun 2, 2019CEXBitcoin
    $10.5M

    A hacker took control of a large Kraken account, then sold 1,200 BTC into a thinly traded BTC/CAD market, driving down the price and triggering liquidations of other users’ positions. The hacker reportedly gained about $10.45 million from those liquidations.

    How Improper Access Control (Access Control)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  9. 9

    GateHub

    Jun 6, 2019CEXRipple
    $9.5M

    Attackers gained access to GateHub API permissions and stole 23.2 million XRP from about 100 user accounts; users’ private keys were reported secure. About 13.1 million XRP was laundered through exchanges before recovery efforts.

    How Private Key Compromised (Key Compromise)Chains RippleReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  10. 10

    CoinTiger

    Aug 17, 2019CEXEthereum
    $9.2M

    Attackers breached CoinTiger’s cold wallet, which lacked multi-signature protection, and stole PTT tokens. Some entered markets and drove the price down, while the Proton Chain project froze others.

    How Key Leaked via Infrastructure (Frontend & Infrastructure)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

Top 10 crypto hacks of 2018

$2.33B stolen in 84 incidents

  1. 1

    BeautyChain

    Apr 22, 2018TokenEthereum
    $1B

    An integer overflow in BeautyChain’s batchTransfer function let attackers create an enormous number of BEC tokens, which they sent to two addresses and sold. Exchanges later halted BEC and SMT trading, limiting the loss.

    How Infinite Mint (Token & Share Accounting)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  2. 2

    Coincheck

    Jan 26, 2018CEXNEM
    $534M

    Attackers stole customers’ NEM coins from Coincheck’s internet-connected hot wallet, which used a single key rather than requiring multiple approvals. The exchange began reimbursing affected customers.

    How Hot Wallet Key Compromised (Key Compromise)Chains NEMReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  3. 3

    Gate

    Apr 21, 2018CEX
    $235M

    Attackers compromised Gate.io’s private keys and drained Bitcoin, Ethereum, Dogecoin, and other tokens from the exchange. The breach was not publicly revealed until 2024.

    How Private Key Compromised (Key Compromise)Reported by DefiLlamaRecord updated Nov 12, 2026

  4. 4

    BitGrail

    Feb 12, 2018CEXNano
    $170M

    A flaw in BitGrail’s withdrawal system let attackers withdraw the same funds repeatedly, stealing Nano from the exchange’s hot wallets.

    How Improper Access Control (Access Control)Chains NanoReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  5. 5

    SmartMesh

    Apr 24, 2018TokenEthereum
    $140M

    An integer-overflow flaw in SmartMesh’s transferProxy function let attackers create counterfeit tokens; some were traded on exchanges before trading was halted.

    How Infinite Mint (Token & Share Accounting)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  6. 6

    ZAIF

    Sep 14, 2018CEXBitcoin
    $60M

    Attackers gained access to Zaif’s hot-wallet keys and stole Bitcoin, Bitcoin Cash, and MonaCoin. The Bitcoin Cash amount was not specified.

    How Hot Wallet Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  7. 7

    Blockchain.info

    Feb 19, 2018
    $50M

    A hacking group used Google search ads for cryptocurrency-related terms to direct users to fake Blockchain.info websites, stealing more than $50 million in cryptocurrency.

    How Phishing attackReported by SlowMistRecord updated Nov 12, 2026

  8. 8

    Coinrail

    Jun 10, 2018CEXEthereum
    $37.2M

    Attackers broke into Coinrail’s systems and stole more than $40 million in altcoins, including NPXS and Aston X. Partner exchanges helped recover about two-thirds of the stolen assets.

    How Improper Access Control (Access Control)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  9. 9

    Bithumb

    Jun 21, 2018CEXEthereum
    $31M

    Attackers gained access to Bithumb’s online wallet system and stole cryptocurrency, including about 35,000 ETH and other tokens.

    How Key Leaked via Infrastructure (Frontend & Infrastructure)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  10. 10

    Bancor

    Jul 9, 2018DeFi ProtocolEthereum
    $23.5M

    Attackers gained access to a wallet linked to Bancor's BancorConverter contract, apparently using a compromised private key, and drained about $23.5 million in tokens.

    How Hot Wallet Key Compromised (Key Compromise)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

Top 10 crypto hacks of 2017

$289M stolen in 12 incidents

  1. 1

    Parity Multisig

    Nov 9, 2017DeFi ProtocolEthereum
    $150M

    A user reinitialized Parity’s shared wallet library and then destroyed it, permanently disabling more than 500 multisig wallets containing about 500,000 ETH.

    How Uninitialized Proxy (Access Control)Chains EthereumReported by DefiLlamaRecord updated Nov 12, 2026

  2. 2

    Nicehash

    Dec 8, 2017CEXBitcoin
    $64M

    Attackers obtained NiceHash employee credentials through phishing and accessed the company’s payment wallet, stealing more than 4,700 BTC. NiceHash later repaid affected users.

    How Key Leaked via Infrastructure (Frontend & Infrastructure)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  3. 3

    Tether

    Nov 19, 2017TokenBitcoin
    $31M

    An external attacker took USDT from Tether’s Treasury wallet and sent it to an unauthorized address. Tether blocked the tokens from circulating or being redeemed and worked with the Omni Foundation on changes to reclaim them.

    How Private Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  4. 4

    Parity

    Jul 1, 2017WalletEthereum
    $30M

    A flaw in Parity’s multisignature-wallet library let an attacker take ownership of wallets and drain them. A white-hat group used the same flaw to rescue funds from other vulnerable wallets.

    How Uninitialized Proxy (Access Control)Chains EthereumReported by DefiLlamaRecord updated Nov 12, 2026

  5. 5

    Coindash

    Jul 18, 2017ICOEthereum
    $7.7M

    An attacker compromised CoinDash’s ICO website and replaced its deposit address with one they controlled. Investors sent ETH to that address before the sale was stopped; the attacker retained some of the funds.

    How Frontend Compromise (Frontend & Infrastructure)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  6. 6

    Yapizon

    Apr 27, 2017CEXBitcoin
    $4.8M

    Attackers breached Yapizon’s system and stole bitcoin from four hot wallets. The exchange replaced users’ lost balances with Fei tokens, which represented IOUs.

    How Hot Wallet Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  7. 7

    EtherDelta

    Dec 20, 2017CEXEthereum
    $1.4M

    Attackers hijacked EtherDelta’s website address and redirected users to a phishing site that captured their login details, leading to theft from users.

    How DNS Hijack (Frontend & Infrastructure)Chains EthereumReported by DefiLlamaRecord updated Nov 12, 2026

Top 10 crypto hacks of 2016

$136M stolen in 5 incidents

  1. 1

    Bitfinex

    Aug 2, 2016CEXBitcoin
    $72M

    An attacker compromised Bitfinex’s hot-wallet keys and used them to transfer about 119,755 BTC without authorization. Bitfinex halted trading and withdrawals while investigating.

    How Hot Wallet Key Compromised (Key Compromise)Chains BitcoinReported loss $72M to $900MReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  2. 2

    The DAO

    Jun 17, 2016DeFi ProtocolEthereum
    $60M

    The attacker repeatedly called a withdrawal function before the DAO contract updated the account balance, taking 3.6 million ETH.

    How Reentrancy (Reentrancy)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  3. 3

    Gatecoin

    May 14, 2016CEXEthereum
    $2M

    Attackers exploited a disruption during a server reboot to redirect deposits from cold storage—offline wallets—to a vulnerable hot wallet. Gatecoin lost approximately 250 BTC and 185,000 ETH.

    How Improper Access Control (Access Control)Chains EthereumReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  4. 4

    Bitcurex

    Oct 13, 2016CEXBitcoin
    $1.5M

    Attackers stole 2,300 BTC from Bitcurex, which shut down after the loss. The exchange later tried to restart but closed permanently weeks afterward.

    How Hot Wallet Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlamaRecord updated Nov 12, 2026

  5. 5

    ShapeShift

    Apr 7, 2016CEXBitcoin
    $230K

    An employee stole funds from ShapeShift, then sold security credentials to outside attackers who made further thefts. The report says customers lost no funds because the exchange did not hold customer assets.

    How Private Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlamaRecord updated Nov 12, 2026

Top 10 crypto hacks of 2015

$9.93M stolen in 6 incidents

  1. 1

    Bitstamp

    Jan 5, 2015CEXBitcoin
    $5.2M

    Phishing emails led an employee to install malware, giving attackers access to Bitstamp’s hot-wallet systems and wallet files. The attackers stole 19,000 bitcoins from its operating wallets.

    How Phishing (Social Engineering)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  2. 2

    BTER

    Feb 17, 2015CEXBitcoin
    $1.75M

    BTER’s cold wallet was breached and 7,170 BTC was stolen; the exchange suspended operations.

    How Private Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  3. 3

    BTER

    Aug 15, 2015CEXBitcoin
    $1.65M

    Attackers compromised BTER’s servers and stole 50 million NXT from its hot wallets. The exchange suspended operations afterward.

    How Private Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlamaRecord updated Nov 12, 2026

  4. 4

    KipCoin

    Feb 18, 2015CEXBitcoin
    $728K

    Attackers accessed KipCoin’s server and copied its wallet.dat file, which holds wallet keys. Months later, they began moving more than 3,000 BTC.

    How Private Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlama, SlowMistRecord updated Nov 12, 2026

  5. 5

    Bitfinex

    May 22, 2015CEXBitcoin
    $329K

    Attackers compromised Bitfinex’s hot wallets, the exchange’s online storage, and stole about 1,460 BTC.

    How Hot Wallet Key Compromised (Key Compromise)Chains BitcoinReported by DefiLlamaRecord updated Nov 12, 2026

  6. 6

    796

    Jan 27, 2015CEXBitcoin
    $270K

    A flaw in 796’s withdrawal system let an attacker change a withdrawal address, and exchange staff failed to catch the change. As a result, 1,000 BTC went to the attacker instead of the customer.

    How Improper Access Control (Access Control)Chains BitcoinReported by DefiLlamaRecord updated Nov 12, 2026

Sources, consolidated into one record per incident:

  • DefiLlama checked
  • SlowMist checked
  • Rekt checked

Amounts are US dollar values at the time of each incident; where sources report different figures, the record shows the range. Summaries by CryptoCoin.News. Spotted a mistake? Tell us.