Japan has a government ID card (MyNumber) with a digital certificate which can be scanned using NFC on your phone to log into do taxes online, check on your medical insurance details (like what charges have been made and your prescriptions), and pension information. It can also be scanned via NFC to apply for financial services like credit cards/bank accounts online.
https://apps.apple.com/jp/app/id1476359069 https://play.google.com/store/apps/details?id=jp.go.cas.mpa