pythcoiner

cc @bigspider

> I'd like to add proof-of-registration (PoR), but I'm not sure how it's best done. There's some discussion at [wizardsardine/liana#539 (comment)](https://github.com/wizardsardine/liana/issues/539#issuecomment-1877372827), where @bigspider suggests a HMAC scheme and in a...

it should be interesting to have insight from other signing devices teams. cc @benma @scgbckbone @stepansnigirev @stepansnigirev @JamieDriver

> Thanks, Murch. I've added the mandatory headers, added a compatibility section, and expanded the rationale section. > > It seems to me that the main source of contention is...

i'll review/test your PR when ready. i think 1 ,3 and 4 could/should be optional as it also can be handled by the process reading the pipe

i'll take a look at 27432 then

sure, I've only machines running archlinux, but I can try few others distros on vms w/ usb passthrough

I've been reported that `SUBSYSTEM=="usb"` seems problematic in some configs, so likely to be dropped

> Would a Proof of Concept solving this issue in this repo from an outside contributor be more useful than the review burden it might incur? from my POV something...

can you run in terminal: ``` liana-gui ``` and share here the output?