[hwers]

I wonder if face identification is actually good enough at that without producing false positives. (Also I think there's been enough movies about that particular scenario that there'd be a ton of uproar if that came into reality.)

[infofarmer]

Regarding reliability, in China you can pay with just your face with Alipay in many convenience stores, supermarkets, and vending machines. End-to-end transaction fees are usually within 0.1%, which puts a ceiling on the failure rate.

https://asia.nikkei.com/Business/China-tech/Pay-with-your-fa...