[UncleEntity]

Couldn’t they just give them a public/private key combo and solve the exact same problem without maintaining a blockchain?

[randomhodler84]

They don’t need the generate it, the user supplies it with the client side web3 wallet. They don’t need to maintain a blockchain, they can use various portable apis to query it.

[whatisweb3]

Blockchain solves the double spend problem here, without reliance on a central clearing house.