Coldcard Mk3 Warning Amid Unexplained 594 BTC Sweep
- Posted on July 31, 2026
- By Cointelegraph
- 1 Views
- 1 min read
In brief
A significant cryptocurrency security incident has raised concerns within the Bitcoin community following the unexplained transfer of 594 BTC, valued at approximately $38 million. Security analysts are investigating potential vulnerabilities related to seed phrase generation entropy, though definitive evidence connecting the breach to Coldcard hardware wallets remains inconclusive. This event highlights critical risks in private key management and wallet security practices.
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Coldcard Mk3 Warning Amid Unexplained 594 BTC Sweep
Bitcoin security experts said the unexplained $38 million wallet drain may involve flawed seed-generation entropy, though the cause and any Coldcard link remain unconfirmed.
