I think you're misunderstanding how small the chance of creating the same wallet as someone else is. There are 2^256 wallets. There are 2^72 grains of sand on

I think you're misunderstanding how small the chance of creating the same wallet as someone else is. There are 2^256 wallets. There are 2^72 grains of sand on earth. The chance of your bank screwing up is a lot higher, by trillions.