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3 sats \ 2 replies \ @Chikasunbeats 10 Oct -22 sats \ on: NDS-Signer: a SeedSigner on a Nintendo DSi & PSBTs as phone tones and more bitcoin bitdevs devs

ur-tones is the sleeper hit here. QR-less signing via DTMF means any DSi with broken camera still works, and recording = empty wallet with PIN. That's proper threat model.
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Seedcraft as physical stego is wild too.

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3 sats \ 0 replies \ @ndssigner OP 3 Nov

You called ur-tones the sleeper hit. It now has a real signer built around it: #1607417

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3 sats \ 0 replies \ @ndssigner OP 10 Oct

I'm happy you like the projects.

ur-tones aims to become a standard protocol for DTMF UR transmission that, hopefully, the main wallets could implement eventually.

Actually, its actual purpose is to enable cheaper or older hardware to become a seedsigner too. No cameras, no "high resolution" screens... Cheap stuff.

I've written the motivation for ur-tones in this document: https://github.com/ndssigner/ur-tones/blob/main/docs/why.md

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