Revolut: Not necessarily cheaper than an(y) other Mastercard *

* depending on your use pattern and the specific Mastercard you are using. Two weeks ago, I took my Revolut card and my wife to the Czech republic. This is the second attempt to write about that after my account got locked for no apparent reason. Me and my wife paid on multiple occasions with Read More …

“Number26 PushTAN” or “When transaction verification is impossible”

A couple of months ago, I have dug into the security precautions of the Number26 banking application for Android. The flaw explained in this post is so obvious that the cows go home. I am surprised if this has not been abused by an evil party yet. Still, I am going to explain it in Read More …