Crypto Hacks
Top 10 crypto hacks of 2023
In 2023, attackers took $1.84B in 402 crypto hacks and thefts. The biggest was Mixin Network on Sep 23, 2023, at $200M. The 10 largest account for 59% of the year's losses.
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The 10 biggest crypto hacks of 2023, ranked
1
Mixin Network
Sep 23, 2023OtherMixin$200MAttackers 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.
Our coverage: Mixin Network Suspends Withdrawals Following $200 Million Loss In HackSourceRekt report
2
Euler Finance
Mar 13, 2023DeFi ProtocolEthereum$240M returned$197MAn 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.
3
Poloniex
Nov 10, 2023CEXTronEthereumBitcoin$126MAttackers 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.
4
Multichain
Jul 7, 2023DeFi ProtocolBridgeMoonriverBSCFantom$126MAbout $126 million in assets were withdrawn from Multichain bridge reserves on Fantom, Moonriver and Dogechain.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.
5
Atomic
Jun 3, 2023WalletEthereumTronBSC+3 chains$100MAtomic 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.
6
HTX & Heco
Nov 22, 2023DeFi ProtocolBridgeEthereum$86.6MThe 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.
7
Orbit Chain
Dec 31, 2023DeFi ProtocolBridgeEthereum$81.7MAttackers 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.
8
Curve Finance
Jul 30, 2023DeFi ProtocolEthereum$61.7MA 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.
9
Alphapo
Jul 26, 2023CEXEthereumTron$60MAlphapo’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.
10
CoinEx
Sep 12, 2023CEXEthereumBSCBitcoin+9 chains$55MAttackers 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.
Our coverage: CoinEx Exchange Suspected Of Being HackedSourceRekt report
