How To Prevent Digital Pickpocketing #veritasium #science #physics #contactless

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In Brazil many wallets come with NFC shield against pickpocket. The card didn't work inside of wallet. Faraday cage. Paper wallets have this...

Yes, most cards you can enable a notification upon a transaction. However, almost all of them have a minimum transaction value before they will send a notification. There is also no additional notification upon the alteration of a transaction, AKA tip. EMP your cards.

Nfcs?, it also dose have vulnerability, OTPs are there, mobile pin and fingerprint reco are there.

This only works on iPhones that always have NFC enabled; Android has NFC disabled, you have to enable or disable it.