Replying to Avatar calle

Wondering who's going to build the first physical ecash wallet in cypherpunk history where all cryptographic operations happen on the device.

https://void.cat/d/H7ej3B3UbhDJDuSxUNYNDu.webp

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BtcPins 2y ago

As long as it can handle QRs that don't spend exact 2^n amounts

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calle 2y ago

Animated QRs are probably one way of solving that. The nice thing is that each token is independent of all the others so a scanning wallet could just "farm" all tokens presented in an animated QR one by one and then redeem them in one swoop.