COLDCARD Edge v6.3.4 introduces 🔐 Delta mode enhancements:
✅ Secure Notes/Passwords hidden in Deltamode
✅ Automatic seed wipe on suspicious access
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 explains how these features support travelers & nomads managing unique threat models in BR090.