 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: 

bitcoin

bitdevs

devs

NDS-Signer: a SeedSigner on a Nintendo DSi & PSBTs as phone tones and more

ndssigner

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](https://github.com/ndssigner/ur-tones/blob/main/docs/why.md)