**Description:**

**Knowledge required :**

1) Base64 representation

**Solution:**
1) From the bo1lers ctf we get the base64 encoded string `d2N0ZntNNDF6M180bmRfQmx1M30K`

2) Decoding it gives us the flag
```
echo d2N0ZntNNDF6M180bmRfQmx1M30K | base64 -d
wctf{M41z3_4nd_Blu3}
```