CD33: build your own hardware wallet for $50 with @seedsigner and @keithmukai
Citadel Dispatch
Spectre Desktop - The Signing Device and Key Storage
The project aims to reduce the cost and complexity of multi-sig. It uses optical air gap signing, which is just QR codes that move a partially signed transaction back and forth from the signer. There's still kind of some, the nomenclature is still being developed for this kind of siding model. You can actually remove the micro SD card before you input your private key.
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