Coldcard: News & Analysis

Coverage of "Coldcard" on Cryptopasta: the stories and the context behind them.

Coldcard Bitcoin Thefts Escalate to Over $88 Million in Latest Attack Wave

Coldcard Bitcoin Thefts Escalate to Over $88 Million in Latest Attack Wave

Coldcard wallets suffered thefts now totaling over $88 million due to weak seed randomness, with a third attack cluster discovered recently.

August 2, 2026

Attackers Exploit Coldcard Firmware Flaw to Steal Over $88 Million in Bitcoin

Coldcard Bitcoin Theft Surpasses $88 Million with New Exchange Deposits and Dormant Wallet Activity

Coldcard Hardware Flaw Leads to $70M Bitcoin Theft, Binance Urges Fund Diversification

Coldcard Wallets Lost $38 Million After AI-Exploited Firmware Flaw Went Unnoticed for Years

Massive Bitcoin Theft Hits Coldcard Wallet Users Due to Weak Seed Generation

Block Uncovers Security Flaws in Coldcard Bitcoin Wallets

Coldcard Alerts Mk3 Owners After $38M Bitcoin Transfer Sparks Security Alarm

594 Bitcoins Lost in 25 Minutes Following Coldcard Hardware Wallet Vulnerability

Coldcard Flags Security Flaw Amid $38 Million Bitcoin Theft Investigation