That use-case doesn't need the double-spend protection, so it doesn't need blockchains.
I'm seeing lots of "web3" use-cases proposed that are just plain old public key cryptography, but people think that reusing wallet's private key somehow makes it new and magical.
I'm seeing lots of "web3" use-cases proposed that are just plain old public key cryptography, but people think that reusing wallet's private key somehow makes it new and magical.