Is it possible to copy the card with acr122 and upload it to xm1?

[yeka]

Yeah I mean I dont know how it works, but I imagine it being easy.
I guess it’s possible from your phone if you have a gen2 card.

"magic" Mifare chips

The Mifare “classic” S50 1k chip? For many years the Mifare MF1ICS50 1k chip was used for all kinds of applications as a “secure chip” for everything from access control to stored value cards, and used for making localized payments within closed systems like public transit and laundry services. However, it uses a security mechanism called “crypto1” which is a simple, proprietary encryption mechanism that hardly has anything to do with modern cryptography. It has been broken for many years now, b…