Each country has their own system. in NL we had DigID, and apparently now iDin (first time i hear about it). In Italy we have SPID who uses a bunch of external

Each country has their own system. in NL we had DigID, and apparently now iDin (first time i hear about it). In Italy we have SPID who uses a bunch of external providers (phone companies, italian posts, internet providers, ...). The whole idea is to create an interoperable standard.