My xM1 "magic" stopped working

[Pilgrimsmaster]

@JustAGlitch

Have I missed something?

Very old post, but will answer your question

xM1+ chip issue

Hello dear biohacker friends, Earlier this year, we were excited to bring the xM1+ to you. Our older xM1 product was a Mifare “Classic” S50 1K chip from NXP in 2mm x 12mm glass tube. The “Mifare Classic” chip has been used for decades in millions of deployments, and is still quite popular regardless of the vulnerabilities discovered with it’s proprietary “Crypto1” security key protection scheme. Because of the continued popularity of this now legacy chip, we decided to leverage a product from a…