Dead simple point-of-sale now live on nostr:npub1cwneqlnjgs3rdtk97c2ffy2df9dm5zycgj3dsg8c3z00hchxjmfqtvraju . Pick your favorite wallet, connect a fiat app like CashApp or Venmo (or don’t) and accept bitcoin for in person sales. 

https://blog.zaprite.com/introducing-point-of-sale-on-zaprite/