diff --git a/challenges/crypto/Cryptographer's Puzzle/writeup.md b/challenges/crypto/Cryptographer's Puzzle/writeup.md
new file mode 100644
index 0000000..7be1cc5
--- /dev/null
+++ b/challenges/crypto/Cryptographer's Puzzle/writeup.md	
@@ -0,0 +1,12 @@
+The solution has been encoded twice using 2 different methods
+
+Firstly, from the challenge, the encoded text has been provided
+MDEwMDAxMDAgMDAxMTAwMTEgMDEwMDAwMTEgMDAxMTAwMDAgMDExMDAxMDAgMDAxMTAwMTEgMDEwMTAwMTAgMDEwMTExMTEgMDEwMDExMDEgMDEwMDAwMDAgMDEwMTAwMTEgMDExMTAxMDAgMDAxMTAwMTEgMDEwMTAwMTA=
+
+From here, we need to decode it using base64 that will show a set of binary
+<img width="524" alt="image" src="https://github.com/lenebread/GiTxHextech-Challenge-Repo/assets/166520861/3c861c42-f147-4367-938c-be9e4e283939">
+
+The last step to receive the flag will be by decoding the binary to receive the flag
+<img width="764" alt="image" src="https://github.com/lenebread/GiTxHextech-Challenge-Repo/assets/166520861/4ccadf97-cb2a-4852-aeba-e1b4380994a5">
+
+The flag is D3C0d3R_M@St3R