Just a few from the top if my head: - Banks limit the amount per single transaction - Limit on total daily amount one can transfer - If a limit has to be exc

Just a few from the top if my head: - Banks limit the amount per single transaction - Limit on total daily amount one can transfer - If a limit has to be exceeded for a large purchase they have a 24/7 hotline to authenticate and authorise such a one off transaction - Additional checks on source of funds when someone pays in a lot of money - Need for multiple extra factors of authentication when making a transfer to a new payee - Extra checks including money laundering checks when making transfers abroad - … and much more