Monday, August 3, 2026Vol. XII · No. 214

Technology

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

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.

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

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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