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BLOCKCLOCK
COLDCARD
OPENDIME
SEEDPLATE
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COLDCARD Docs
User Guide Chapters
Learn About Your New Coldcard
Advanced Topics
Specifications
Guides by the Community
COLDCARD Docs
User Guide Chapters
Learn About Your New Coldcard
Advanced Topics
Specifications
Guides by the Community
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Advanced Topics
HSM Mode and the CKBunker to permit automated signing and remote access.
Your can view and download the source code on Github.
Long and detailed discussion of PIN codes and the security element that holds the real secrets.
Details of our encrypted backup files.
Documented limitations, policy choices, and TODO items.
Importing seed words into Electrum for funds recovery and other tips.
How to use with Bitcoin Core.
How developers can modify Coldcard to extend it.
Memory map highlights.
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