Hack Archive

Nomad Bridge Hack

August 1, 2022$190 million
Input Validation VulnerabilityMultiple

A simple initialization error allowed anyone to extract funds from the Nomad bridge in a 'frenzied free-for-all'.

Harmony Horizon Bridge Hack

June 24, 2022$100 million
Private Key CompromiseEthereum / Harmony

Attackers compromised private keys securing the Harmony cross-chain bridge to steal various crypto assets.

Beanstalk Farms Hack

April 17, 2022$182 million
Flash Loan Governance AttackEthereum

An attacker used a flash loan to gain governance control and drain funds from the Beanstalk protocol.

Ronin Bridge Hack

March 23, 2022$620 million
Cross-Chain Bridge ExploitEthereum / Ronin

One of the largest crypto heists ever, targeting the bridge between Ethereum and Axie Infinity's Ronin sidechain.

Wormhole Hack

February 2, 2022$320 million
Smart Contract VulnerabilitySolana / Ethereum

An attacker exploited a signature verification vulnerability in the Wormhole bridge to steal 120,000 wETH.

BadgerDAO Hack

December 2, 2021$120 million
Frontend AttackEthereum

A compromised frontend allowed attackers to capture user approvals and drain funds from wallets connected to BadgerDAO.

Cream Finance Hack

October 27, 2021$130 million
Flash Loan Price ManipulationEthereum

A sophisticated flash loan attack allowed hackers to manipulate asset prices and drain Cream Finance's lending platform.

Compound Finance Bug

September 30, 2021$80 million
Code Upgrade ErrorEthereum

A bug in Compound's Proposal 62 update allowed users to claim excessive COMP tokens, erroneously distributing millions.

Poly Network Hack

August 10, 2021$611 million
Cross-Chain VulnerabilityMultiple (Ethereum, Binance Smart Chain, Polygon)

The largest DeFi hack in history at the time, with the hacker eventually returning all funds.

THORChain Hack

July 15, 2021$8 million
Router Contract VulnerabilityMultiple

THORChain was exploited multiple times in July 2021, with hackers targeting vulnerability in its cross-chain router.

BSC ChainSwap Hack

July 10, 2021$8 million
Smart Contract VulnerabilityBinance Smart Chain

A vulnerability in the ChainSwap bridge allowed an attacker to mint arbitrary tokens on multiple blockchains.

PancakeBunny Hack

May 19, 2021$45 million
Flash Loan Price ManipulationBinance Smart Chain

An attacker used flash loans to manipulate the price of BUNNY tokens and mint excessive tokens.

BSC Venus Protocol Hack

May 18, 2021$77 million
Price Oracle ManipulationBinance Smart Chain

Attackers exploited Venus Protocol's price oracle to liquidate positions with inflated collateral values.

Yearn Finance Hack

February 4, 2021$11 million
Flash Loan AttackEthereum

An attacker exploited Yearn's v1 yDAI vault through a complex flash loan manipulation.

Cover Protocol Hack

December 28, 2020$4 million
Infinite Mint ExploitEthereum

An attacker exploited a vulnerability in Cover Protocol's smart contracts to mint unlimited tokens.

Harvest Finance Hack

October 26, 2020$34 million
Flash Loan Price ManipulationEthereum

An attacker manipulated stablecoin prices in Curve pools to steal funds from Harvest Finance's yield farming vaults.

KuCoin Hack

September 25, 2020$280 million
Hot Wallet Key CompromiseMultiple

An attacker compromised KuCoin's hot wallet private keys, stealing various cryptocurrencies from the exchange.

Ethereum Classic 51% Attacks

August 1, 2020$9 million
51% Attack / Double SpendEthereum Classic

Ethereum Classic suffered multiple 51% attacks allowing attackers to double-spend and reorganize the blockchain.

MakerDAO Black Thursday

March 12, 2020$8 million
Market Collapse / Auction FailureEthereum

A market crash combined with network congestion led to zero-bid auctions in the MakerDAO system.

Bancor Hack

July 9, 2018$23.5 million
Wallet CompromiseEthereum

A compromised wallet allowed attackers to drain funds from Bancor's smart contracts, highlighting backdoor risks.

Parity Multisig Wallet Hack

July 19, 2017$30 million
Access Control VulnerabilityEthereum

A vulnerability in Parity's multi-signature wallet allowed an attacker to steal $30 million in Ether.

Bitfinex Hack

August 2, 2016$72 million
Exchange Security BreachBitcoin

One of the largest exchange hacks, affecting Bitfinex's multi-signature wallet implementation.

The DAO Hack

June 17, 2016$60 million
Reentrancy AttackEthereum

The attack that led to the Ethereum hard fork, exploiting a recursive call vulnerability.

Mt. Gox Hack

February 24, 2014$450 million
Hot Wallet CompromiseBitcoin

The largest crypto exchange collapse at its time, losing 850,000 BTC in a series of thefts.