Coldcard Clears Single-Sig Settings for Firmware Post-March 2021

Coldcard mandates clearing single-signature settings lacking dice-roll setup or passphrases on firmware from March 17, 2021, urging users to halt usage unless high-entropy seeds are imported.

Woofun AI reports that Coldcard will clear single-signature configurations on devices running firmware dated March 17, 2021, or later, provided the setup lacked dice-roll initialization and passphrase protection. Users are advised to cease using Coldcard hardware entirely unless they import a high-entropy seed from an external source or employ multiple dice rolls for setup.