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

CryptoInfo Editorial Team · Published on August 01, 2026 at 20:10 · Updated on August 01, 2026 · 1 min read

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Key Takeaways

→The Bitcoin cold-wallet attack has spread to approximately 4,500 addresses.
→Losses from the attack are nearing $89 million.
→The attack targets weak Coldcard-generated keys.

Disclaimer: This content is provided for informational purposes only and does not constitute financial or investment advice.

A Bitcoin cold-wallet attack has spread to approximately 4,500 addresses, according to research from Galaxy Research. The losses from this attack are nearing $89 million.

The attack is tied to weak Coldcard-generated keys and has seen the attacker targeting smaller balances. Additionally, the attacker has changed how funds are collected on the blockchain.

This information is based on reporting from CoinDesk. The attack represents a significant security concern for Bitcoin users who rely on cold wallets for storing their assets.

Source: CoinDesk ↗

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