Selfie-based authentication raises eyebrows among infosec experts
Vietnam now requires it for some purchases - Vietnam began requiring face scans on phone banking apps as proof of identity for all digital transactions of around $400 and above
just days into the new regime, some apps have already been called out for accepting still photos instead of a live image of the individual.
https://www.theregister.com/2024/07/08/selfie_authentication_security/
Definitely not a safe option for verification