Bank and Cash
Bank is a safe deposit for your money, you can deposit and withdraw money from your bank.
Deposit: Depositing money costs 10% of the amount that you are depositing.
Withdrawing: Withdrawing cash from your bank is free.
Unbanked cash can be mugged by players in the same city as you. Depositing and withdrawing money is not possible while in jail or hospital so always make sure your money is safe before it's too late.
Cash is used for buying, trading and selling practically everything in Mafia Block. It's one of the main currencies besides Diamonds.