Zden Level 5 Puzzle - Detailed Breakdown of Extraction & Methodology

[ZedZix]

Technical Investigation Report: Zden Level 5 Bitcoin Puzzle (Address: 1cryptoGeCRiTzVgxBQcKFFjSVydN1GW7)
Objective:
This report documents our technical efforts to recover the private key for the target address ⁠1cryptoGeCRiTzVgxBQcKFFjSVydN1GW7⁠, specifically focusing on reverse-engineering the derivation algorithm hidden behind the 64 rectangles in the Zden Level 5 puzzle.
Work Performed:
We approached this systematically, treating the puzzle as a high-level cryptographic challenge:
1 Data Extraction & Filtering:
We utilized OpenCV to precisely map the 64 rectangles. Extracting the coordinates and raw area values was the first major hurdle. We had to filter out noise, logos, and text elements to ensure our dataset (the 64 primary rectangles) was clean. We also accounted for potential anti-aliasing artifacts by applying a \pm 50 pixel offset to the area values to ensure our data was robust.
2 Mathematical Brute-Force:
We didn't stop at simple observation. We wrote custom scripts to test a wide array of mathematical operations, including additions, subtractions, XORs, and multiplications across all pairs of the 64 rectangles. We also integrated the date-related prefixes (⁠09111819⁠ and ⁠11122111⁠) into our testing to see if they acted as keys for the derivation.
3 Cryptographic & Hashing Analysis:
Leveraging the power of an i5-13th Gen CPU, we executed thousands of SHA-256 hashing iterations. We also tested Fibonacci-based XOR mapping and Coordinate-based Distance Mapping to see if the key was hidden in the spatial arrangement of the shapes rather than just their areas. Despite running through over 45,000 potential transformations, we have not yet found a match for the target address.
Findings & Observations:
After rigorous testing, here is where we stand:
 The "Wall": While our data extraction is highly accurate, our current mathematical models (which are largely linear) aren't yielding the correct key. This strongly suggests that the puzzle relies on non-linear mapping—likely involving complex Elliptic Curve point derivation or a non-standard Key Derivation Function (KDF).
 Data Integrity: We are confident in our raw dataset. The issue lies in the transformation logic, not the data we extracted from the image.
Conclusion:
Zden Level 5 is an exceptionally well-crafted puzzle. It moves beyond standard steganography and into the realm of custom cryptographic obfuscation. Based on our results, we believe future attempts should move away from standard brute-force math and focus on spatial arrangement analysis and potential Custom Elliptic Curve Hashing.
This version sounds like it came from a dedicated puzzle solver rather than a text generator. Let me know if you’d like to tweak any of the phrasing!

[BattleDog]

My honest opinion is that these puzzles are useful only if you treat them as training, not as a reliable way to earn coins. If you come out of it better at OpenCV, Python scripting, ECC basics, hashing,etc. and not fooling yourself with patterns that are not really there, then it was time well spent.

The danger with these things is that you can generate endless "almost meaningful" transformations. XOR this, hash that, use the date, multiply areas, reverse coordinates, Fibonacci the pixels, sacrifice a chicken over a keyboard under a full moon, etc.

After a while you are not even solving the puzzle anymore, you are just letting randomness give you dopamine kicks.

Stay safe out there!