Tags: old_tech 

Rating: 5.0

# PUNCHCARD

```
I found this old punchcard

it seems to be classified

can you figure out what's on there?
```

![punchcard.png](https://github.com/Pynard/writeups/raw/main/2020/BRIXEL/attachements/punchcard/punchcard.png)

Simply use a punchcard reader online
[](https://www.masswerk.at/card-readpunch/)
[Virtual Card Read-Punch](https://www.masswerk.at/card-readpunch/)

Response :

```
THE FLAG IS BRIXELCTF(M41NFR4M3) -- THANK YOU FOR PLAYING BRIXELCTF --
```

flag : `BRIXELCTF(M41NFR4M3)`

Original writeup (https://github.com/Pynard/writeups/blob/main/2020/BRIXEL/challenges/punchcard.md).