Revolut offers a range of digital banking services in a mobile app. Using this innovative method, users can transfer money in and out in 29 currencies. In addition, they can get a prepaid debit card that allows withdrawals from ATMs in 120 countries around the world. Customers can also exchange cryptos. There are no transfer/ deposit/ withdrawal fees, up to a max of £5,000 per month. However, the maximum ATM cash withdrawal limit is as low as just £200. Recently, this method has earned the status of a technology "unicorn" - meaning that it is currently valued at over a billion dollars!