Binance CEX(BNB)

Date: May 7, 2019

Amount: $40m

Classification: Key Compromise

Technique: Hot Wallet Key Compromised

On May 7, 2019, Binance's hot wallet private keys were compromised, resulting in theft of 7,000 bitcoin (~$40 million). The exchange halted transactions for one week and reimbursed all affected customers from its insurance fund.

Chains: Bitcoin

Target Type: CEX

Date: Oct 29, 2026

Amount: $6.36b

Classification: Frontend & Infrastructure

Technique: Key Leaked via Infrastructure

On October 29, attackers exploited Binance’s operational infrastructure to execute unauthorized withdrawals across multiple blockchains, resulting in approximately $6.3 billion in losses. Binance’s preliminary investigation identified a potentially compromised DevOps engineer’s laptop that allowed access to a service container, with no evidence of wallet private key leakage. Approximately $3 billion in stolen assets were later frozen with help from industry partners. Binance committed to covering all losses using its SAFU fund and company reserves

Chains: Ethereum, Bitcoin, TRON, Avalanche, Optimism, Arbitrum, Base

Target Type: CEX