An idea! Have a merchant accept fiat as usual, but offer change in BTC sats via lightning. Will this work? How prevalent usage of cash is? Or maybe debit card usage with BTC back at the register? So many questions! 🤔🤔🤔 nostr:note13muxg2qx3mta86g96hr9jft6j3p5z80xl5xm80yccujcrv9zadlqdtmypz