This is also how mifare security was reverse engineered and broken. If I remember correctly they sanded down each layer and used image recognition. https://www

This is also how mifare security was reverse engineered and broken. If I remember correctly they sanded down each layer and used image recognition. https://www.youtube.com/watch?v=QJyxUvMGLr0 https://www.youtube.com/watch?v=QJyxUvMGLr0