Can you have the Bitcoin immediately convert to fiat? For those merchants that don't want to deal with taxable events nor wanting to hodl.
If you use Square at your business, you can use nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5 to accept Bitcoin payments over the Lightning network. It requires a few extra steps, but it's not overly complicated.
Discussion
No, this doesn't do that. It just provides a way for Square terminal with in inventory and sales tracking to be integration into a device they accepts Lightning for payment instead of a device that would take credit cards.