Italy handles payments through slot machines and by credit cards in Vatican City . Italy 's central bank has blocked all electronic payments through cash machines and by credit cards in Vatican City following the world 's smallest state 's failure to fully comply with international anti-money laundering rules . Follows the world 's smallest bank 's failure to fully comply with anti - money laundering rules .
Italy handles payments through slot machines and by credit cards in Vatican City . Follows the world 's smallest bank 's failure to fully comply with anti - money laundering rules .