Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million

mishaderidder.eth · 2026-08-02T22:07:40.000Z

Galaxy Research flagged a third wave of sweeps tied to weak Coldcard-generated keys, with the attacker now targeting smaller balances and changing how funds are collected onchain.

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Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million

coindesk.com

Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million

by mishaderidder.eth12828 🥝 • 1h

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