Dangerous Things Magic Ring is now a thing!

[Pilgrimsmaster]

@yeka

no it’s like a xM1 and xEM

This and also this
FlexMT.
The difference being the form factor obviously and the Ring has gen2 magic chip the FlexMT and xM1 are gen1a.

Read here for more info

"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…