
Three bridge hacks stole $35.6M in a day. The largest hit AFX Trade for $24.2M via validator keys, while VerusCoin reused a May 2026 bug.
Three crypto bridge hacks stole more than $35.6 million in a single day. The largest by value hit AFX Trade. A second attack drained BSquared. A third struck VerusCoin.
Blockchain security firm Blockaid said the AFX bridge on Arbitrum approved a withdrawal using five signatures from its seven-validator system. The attack involved gaining access to validator keys or the bridge's backend, Blockaid said. The hacker stole 24.15 million USDC, worth about $24.2 million, and moved the funds from Arbitrum to Ethereum. The AFX team said it is working with Arbitrum and security firms to trace the stolen assets.
The BSquared exploit saw 8.59 million B2 tokens taken, worth roughly $3.86 million at the time. The attacker sold the tokens for 5,409 BNB, about $3.01 million, then bridged the proceeds to Ethereum and converted them into ETH and USDT. The funds were moved through NEAR Intents and HOT Protocol to obscure the trail, security teams said. The investigation remains active.
VerusCoin's Ethereum bridge lost $7.54 million in assets including ETH, tokenized Bitcoin, USDC, USDT, DAI, and other tokens. SlowMist said the attack reused a bug from a separate $11.5 million hack in May 2026. The flaw allowed unbacked payouts, meaning the bridge released assets without verifying sufficient backing. The attacker converted the stolen assets into 3,916 ETH, worth about $7.5 million, and sent the funds to Tornado Cash, SlowMist said.
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