South Korea new 'Open Banking' service, which enables people to access all their bank accounts with just one app, has already garnered more than one million users.<br />The Financial Services Commission says that as of Wednesday those one million people have registered around 1-point-8 million accounts.<br />Ten banks are available on the beta version.<br />In the meantime, the FSC is trying to improve the system so that people don't need to use their account number to register.<br />