@npub1trr5...hdpu you mentioned PlebQR from Thailand in some podcast.
@BitBlik is similar p2p cypherpunk project for Polish BLIK payment system.
BitBlik
_@bitblik.app
npub1k3g0...stj3
Your BLIK <-> bitcoin bridge.
Pay for or sell your BLIK code with bitcoin
NWC initial support now makes it even easier and quicker to pay for your shopping.
Release v0.4.0
- NWC wallet support
- many minor fixes
And....we're live!
Major New version 0.3.0, after many hardworking months, here's what's new:
- use nostr relays & websockets for client/coordinator communication
- backup/restore private keys
- multi coordinators
- Telegram & Signal notifications support
- new design/graphics UI/UX
bitblik
Your BLIK ⇄ bitcoin Bridge
Telegram & signal notificatioms in the works! 📣🔔 
What is a neko?
New version with multi coordinators over nostr almost ready to launch.
Need to test it intensively, reach out if you want to help with that. 
Finishing up multi coordinator support using nostr websockets 💪 