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Bitcoin CoinDesk

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.

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Older archive item. Useful for background and entity history, but not a fresh market-moving signal.

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.

Why this matters

Bitcoin is a tracked market entity in the DigitalMoneyBox archive, making this useful context for readers monitoring repeated mentions and follow-up coverage.

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