Crypto exchange Coinsbuy lost more than $8 million in a coordinated attack across TRON and Ethereum on Aug. 9, according to onchain data reviewed by blockchain security researchers.
The attacker began with a 5 USDT transaction before draining eight TRON wallets of 6.04 million of the dollar-pegged stablecoin in about an hour. On Ethereum, three wallets were simultaneously emptied of 1.89 million USDT and 77 ETH, which was swapped to ETH via 1inch through a wallet created the same day.
Onchain records show the two chains were linked through cross-chain swapper Bridgers, whose Ethereum payout contract sent funds directly into the Ethereum swap wallet, connecting what appeared to be separate operations into a single incident.
The attacker routed some 79% of the stolen funds through instant exchange FixedFloat using roughly 50 single-use addresses. ChangeNOW separately froze a six-figure sum after being contacted by Specter Investigations.
Around 282 ETH, roughly $542,000, across five addresses remains unmoved.
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Oliver Knight
https://www.coindesk.com/business/2026/08/10/crypto-exchange-coinsbuy-loses-usd8-million-in-coordinated-two-blockchain-attack
2026-08-10 11:39:00
