The BankID service seems to trip up many people here. Swedish residents have a personal identity number issued at birth or immigration. Format: YYYYMMDD-NNNN. More details: https://en.wikipedia.org/wiki/Personal_identity_number_(Swed... BankID is a service run by the Swedish banks that interfaces with the banks, individuals and third parties (like this chain of unmanned stores). https://en.wikipedia.org/wiki/BankID T…
Swedes also use the BankID app for online interactions with health care and other public services. Last year I did my taxes in under 60 seconds. (Get notification; BankID login; check prefilled values from bank, employer etcetera; BankID sign.)