A parking coin is still a huge dream or kine and o hope Sand can be used to pay for ...

... parking by the city one day as they hope to go cashless

This parking meter seems perfect for a blockchain and I feel it already is a hidden public key infrastructure. I'd expect parking spaces to be organized with NFTs so we can reserve spaces even sell expensive spaces for higher prices. Parking spaces should be sold to the highest bidder and uber could buy them in bulk for their customers.

Anyway get ready for someone to make this into an ICO one day lol