Tags: cryptography 

Rating:

# Truth and Falsehood.
We have base64 encoded string, let's try to put it to cyberchef.
Some text is decoded correctly but some isn't.

![](https://i.imgur.com/jCKfa3I.png)

Let's delete decoded text and we can see how a new text appears, a couple of cycles and we get a flag

![](https://i.imgur.com/rJ4GSeb.png)

Original writeup (https://ctftime.org/team/144064).