Submitted by oatli t3_11d63c0 in explainlikeimfive
Bensemus t1_ja9rmc6 wrote
Reply to comment by ZuperLucaZ in ELI5: How do contactless payments(ApplePay, GooglePay, SamsungPay) work? by oatli
> it’s way riskier using you card since that’s always emitting the signal
It's not. The card has no power. The power is wirelessly sent to the card when you are tapping it.
If you bring the proper device close to the card it will start talking vs your phone which needs the CC or debit card first opened before it bothers looking for a terminal to talk to.
ZuperLucaZ t1_jacvxq0 wrote
Exactly, that’s what I meant, this is a subreddit for dumbing down answers to make the answer digestible, both our descriptions are practically the same
The point of the last paragraph was to state that the phone can’t always be scanned while you card can
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