You can't have a bank account without a gov approved money manager account so you can't really self host it. Also you can't on offramp crypto without a counter

You can't have a bank account without a gov approved money manager account so you can't really self host it. Also you can't on offramp crypto without a counter party will to make the trade ( liquidity ) Catchy title but I doubt it works was also vibecoded so I'd be extremely surprised if it works as advertised