How Apple Watch Cleverly Authorizes Apple Pay Without Touch ID

Screenshot 2014 09 10 21 52 22

We told you about some Apple Watch tidbits the company didn’t have time to talk about at their keynote, but here’s another regarding how Apple Pay purchases are authorized by the smart watch.

With Touch ID absent on the Apple Watch, how does it know to authorize payments? Well, the answer lies in your skin. Here’s what Apple told Cult of Mac:

Thanks to sensors on the Apple Watch’s back, the device can tell when it’s being worn and when it has been taken off. When you first put the watch on, you must enter a code. When the watch is removed from your wrist, the watch locks itself and can’t be used for payments unless the code is entered again.

Canada’s Rene Ritchie from iMore got further clarification from Apple:

http://twitter.com/reneritchie/status/509437661632028672

So basically once you remove Apple Watch and the connection to your wrist is broken, a pin code will be required to re-authorize the device for Apple Pay. Brilliant.

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CMfly
CMfly
11 years ago

Nice I was wondering about that and if it would allow NFC with the 5s. Seems like it will 🙂

elrolito
elrolito
11 years ago

I think ?Pay will still need a 6 or 6+ because of the extra security chip that’s being used.

K4
K4
Reply to  elrolito
11 years ago

But don’t forget ApplePay with AppleWatch is also compatible with iPhone 5, 5c, & 5s 🙂

Erik Kappel
Erik Kappel
11 years ago

So since you likely have to charge it every night, stands to reason you’d have to enter your pin the first time you want to pay for something on a daily basis…

websnap
websnap
Reply to  Erik Kappel
11 years ago

Actually, I’d be surprised if you don’t have to enter it right when its put on.

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