COLDCARD Exploit Grows to 1,367 BTC Stolen Across Three Waves Cybercriminals COLDCARD Exploit Grows to 1,367 BTC Stolen Across Three Waves Do Son August 3, 2026 0 Recently, we covered the critical security failure in the Canadian hardware wallet COLDCARD. A flawed random-number algorithm... Read More Read more about COLDCARD Exploit Grows to 1,367 BTC Stolen Across Three Waves