How do Encrypt your SD Backup with ColdCard
World Crypto Network
ColdCard generates encrypted backups on industrial SD cards using a 12-word mnemonic seed protected with 7-Zip encryption; users must write, verify, and number each word on paper before the device encrypts. The backup process (Advanced > Backup menu) includes CRC verification to detect accidental corruption but not targeted attacks, and requires destroying the device's existing seed before restora
https://relay.towardsliberty.com/48e98674003d8216461c4a6dd9a2f03c50652a04becf22c844d970cd990736d4.mp4
World Crypto Network
ColdCard generates encrypted backups on industrial SD cards using a 12-word mnemonic seed protected with 7-Zip encryption; users must write, verify, and number each word on paper before the device encrypts. The backup process (Advanced > Backup menu) includes CRC verification to detect accidental corruption but not targeted attacks, and requires destroying the device's existing seed before restora
https://relay.towardsliberty.com/48e98674003d8216461c4a6dd9a2f03c50652a04becf22c844d970cd990736d4.mp4