This is how retarded cashu is. Joe doesn’t have to run a node to run a mint. Cashu is not dependent on Bitcoin in any way. Lightning addresses are the only optional field to add Bitcoin support in any way to a mint. That lightning address can be a custodial or non-custodial. That means someone could run a mint with a wallet of satoshi address. Which means the mint operator themselves can be rugged by the custodial wallet provider they used as a funding source for their mint.