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RFID and QR code, RFID (Radio Frequency Identification), QR code -…
RFID and QR code
RFID
(Radio Frequency Identification)
Principle
By transmitting payment or user details via a radio frequency
Applicable situations
Purchase
Debit cards
Transit
City-shared bikes
Metro
Privacy
Potential scammers won't get full access to user's details
A disposable code is issued for each transaction
The card needs to be close to the reader to work
QR code
Applicable situations
Contain links to websites
Add a new contact on a messaging app
Direct your phone to a video
Where to find it
Built-in function on smartphone