Web3 & Exchange Security10 August 2026
Coinsbuy's $8M Cross-Chain Drain: When Wallets Refill, the Keys Weren't the Problem
An attacker emptied eleven Coinsbuy wallets across Tron and Ethereum in under an hour, then laundered the proceeds through an instant-swap service before the exchange quietly topped the wallets back up — a strong signal the breach sat in withdrawal logic, not key custody.
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