BlockchainCommons / GordianSeedTool-iOS

Cryptographic Seed Manager for iOS
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FEATURE: Compact UR for crypto-seed/sskr/hdkey #122

Open ChristopherA opened 2 years ago

ChristopherA commented 2 years ago

Spec out compact UR for 25x25 QR for crypto-seed, and hopefully sskr and maybe slightly larger hdkey(or wif equivalent without chain code).

Allow reading of it, the printing of it, as well as some UX (5x5 pixels at a time) for people to manually draw it.

Related to https://github.com/BlockchainCommons/Gordian/discussions/82#discussioncomment-2073762