Secure Upgrade Firmware of ColdCard Mark 2
World Crypto Network
ColdCard Mark 2 upgrade requires downloading signed firmware from GitHub, verifying GPG signatures against Peter Gray's key, and validating SHA-256 checksums. The device enforces security by requiring PIN entry twice—once to load firmware, once to approve—and displays a red "caution" light until blessed, blocking unauthorized upgrades even with physical device access without the PIN. Hardware iden
https://relay.towardsliberty.com/58794c1acfda671200799983a0680c62018dc0312101ab961cba0724f6f5f3d1.mp4
World Crypto Network
ColdCard Mark 2 upgrade requires downloading signed firmware from GitHub, verifying GPG signatures against Peter Gray's key, and validating SHA-256 checksums. The device enforces security by requiring PIN entry twice—once to load firmware, once to approve—and displays a red "caution" light until blessed, blocking unauthorized upgrades even with physical device access without the PIN. Hardware iden
https://relay.towardsliberty.com/58794c1acfda671200799983a0680c62018dc0312101ab961cba0724f6f5f3d1.mp4