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Comment by ernsheong | Hacker News Reader

I'm calling it that Touch ID will make a comeback: https://twitter.com/ernsheong/status/908018119595003904

How bout: Touch ID + Face ID. Hahaa

I'm not sure that Touch ID can come back in its current form. Phil stood on stage and told us Touch ID is 50,000 secure and Face ID is 1,000,000 secure.

I think the only way for Touch ID to come back is for it to cover the whole display, so it can authenticate every touch.

Agreed. If you could make it so every single tap was scanned, you could make the phone so secure, yet so simple to use.

The phone could constantly monitor both Face ID and full-screen Touch ID at the same time, and if it detects anything funky going down it can panic and lock. Would close down attacks where someone grabs your phone off you while it's unlocked and quickly disables security.

But then people you hand your phone to wouldn’t be able to use it

Authenticating every touch sounds way overkill. And your friend can't help you navigate around anymore :( Some human element is lost.

> I think the only way for Touch ID to come back is for it to cover the whole display, so it can authenticate every touch.

Touch ID only works on the first try about half the time for me, I would love to bring that experience to all my interactions with my phone.

You could set it up that at least one fingerprint has to be recognised correctly every X seconds.

I highly doubt this would be possible for a long time, but it would be interesting if Apple could equip the entire display a TouchID sensor. If you could scan all of our fingertips, then you could theoretically "sign" every interaction with the display.

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