COLDCARD Documentation

Here you will find our official documentation for the COLDCARD as well as community guides and plenty of other resources.

Check out the links below to get started, or use the search bar or navigation menus to find what you're looking for!

Getting Started

Beginners, begin here!

• Bitcoin beginners Coldcard guide
• Official Coldcard starting guide
• Ultra Quick Guide
• Hands on Support by BullBitcoin

Upgrading Firmware

How to upgrade the firmware running on your COLDCARD so it's got the latest features.

• How to upgrade firmware
• Video: How to Verify COLDCARD's Firmware

Video Tutorials

This video tutorial series tries to cover all the major features of the COLDCARD.

• All Video tutorials
• COLDCARD Easy Guide; The 5 minutes setup.

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• How to setup COLDCARD Mk4 with Electrum
• How to sign a "simple" PSBT transaction Air-Gap with COLDCARD Mk4 and Electrum
• How to Migrate from Ledger or Trezor to COLDCARD Mk4 (ie Import Seed)
• COLDCARD Mk4 NFC sensor locations
• COLDCARD Mk4 NFC software wallet setup

Community Guides

COLDCARD has a strong community support, checkout some of the guides and resources created by other users.

• See all community guides
• Telegram User Group

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• Guide by Matt Odel
• Guide by EconoAlchemist
• Video guides by BTC Sessions