Shop Bluetooth induction lock IC card can't be opened after copying.

The reasons why the IC card of Bluetooth induction lock in the store cannot be opened after being copied are as follows.

This access card is an IC card. It is troublesome to copy after encryption and needs to be decrypted.

There are two kinds of commonly used access cards, one is called ID card and the other is called IC card. An easy-to-copy card is an ID card. A string of numbers can be seen on the surface of the card. IC cards are encrypted, so it is generally difficult to copy them, because there is a memory chip besides the ID number.