What is an authentication certificate?
Upon downloading and setting up the Singpass app on your device, you will be issued a digital identity by the National Certification Authority (NCA). This is used as proof of your online identity whenever you transact with Singpass.
Your digital identity is represented by the authentication certificate issued to you. It comes with a unique serial number that can be seen in your Singpass app settings (under "Your digital identity details").
Related questions
How will the change in issuers for signing and authentication certificates affect me? Do I need to perform any actions in the Singpass app?
I do not have a signing certificate. Can I still digitally sign with Singpass?
Why have I not received a prompt to renew my authentication certificate when other Singpass users have received one?
In the Singpass app, my signing and authentication certificates now list the issuer as “Government Technology Agency” when it was previously “Assurity Trusted Solutions Pte Ltd”. Why is this so?
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