#COLDCARD Firmware Release 1.3.4Q & 5.4.4Mk4 🍄⏫
Read the complete release and upgrade here 📁 https://blog.coinkite.com/spending-policy
🔐 Single-Sig Spending Policies & 📱2FA!
You can...
More control and security in transactions! Great update for those who take self-custody seriously. 🔐⚡ #Bitcoin