Crypto Puzzles by Zden
1BiTCoiN WHiTe PaPeR
It's at the same time a crypto puzzle that is not visible at first glance.
Artwork is also notarized on the Bitcoin blockchain by a transaction of 777 Satoshis from the puzzle's address. The SHA-256 fingerprint from this image creates the private key of the notarization wallet.
The first buyer of this NFT will receive a high-quality, hand-signed, physical print of size 28 x 28 inches (71.12 x 71.12 centimeters).
Public address: 1BiTCoiNsuFnkCFGkv6AGgwWxN31GUwY6W
Solved in 72 hours. Solver by the winners.
Bitcoin Crypto Puzzle Level SFX
This time with extra cover art.
Public address: 1crypto92aYKxdzD6VSAKwpEJnXcA2s9t
Solved in 21 hours.
Solver without using your own code.
XIXOIO ETH puzzle
Unsolved for 1 year and then SOLVER released and bounty transfered in 8 minutes after publishing!
Bicoin Crypto Puzzle Level 5
This image encodes private key for address 1cryptoGeCRiTzVgxBQcKFFjSVydN1GW7.
UNSOLVED for over 3 years because the original release was uncomplete! Relaunched on 12th of December 2021. My excuses to everyone!
(clarity edit: sum of two
consecutive following rectangles...)
Codex Protocol Puzzle
Hint #1 & Hint#2 released.
Solved in 20 days.
My blog post how the puzzle works.
Bitcoin Demobit 2018 Special
This image encodes private key for address 1cryptotnptVK1ZbpZFyEqcR5EVp5hjfk.
Hint #1 released.
Solved in 51 days (tweet by solver [removed user]) - tweet by me.
Bicoin Crypto Puzzle Level XM17
Solved in 22 hours (solver).
HCPP17 Monero Cryptopuzzle
Released at HCPP17 and solved in 3 months.
Read solution written by the winner (posted on removed twitter account).
Bicoin Crypto Puzzle Level 4
Level 4 solved in 52 hours.
Solution article by the winner.
Litecoin SegWit Activation Puzzle
Convert to WIF and profit!
Public address: LartGjF6UjmvmF1JXBhFf5wtM9uZX7LzeS
Hints #1, #2 & #3 released.
Solved in 2 weeks.
Encryption animation with algo & priv key.
Solver code + story by the winner(s)!
Decred's Autonomy Puzzle
High quality render. Originally launched on decred.org/autonomy_puzzle website (no longer online).
You can read about puzzle mechanics from these "blueprints".
Decred's Janus puzzle
Find DCR wallet seed.
This puzzle in SVG is hiding the seed:
(After a week of beeing unsolved)
Here is the hint to help out with solving.
Solved in 10 days and 6 hours.
Look at tree encoding scheme.
Bicoin Puzzle for Nethemba
As usual, following image encodes private key. Premium bounty provided by Nethemba and released at DefCon 24.
Public address is 1cryptoP5yMdKcz1bjzUqnbs3LsasVRX6
If you want to support my free art, now you can. Use voucher
and I'll receive fair cut from the deal.
Solved in 5 days and 3 hours.
Here is the solver.
Bicoin Crypto Puzzle Level 3
Level 3 solved in 38 hours.
Look at Solver.
Bicoin Crypto Puzzle Level 2
Public address: 1cryptoTuax4qeedzVC35eYf4c16v4reJ
Level 2 solved after 29 hours.
Look at Solver.
Bicoin Crypto Puzzle Level 1
The image encodes private key with the bounty for the first solver.
I consider this level as simple for the start.
So let's play the game, wipe it and let me create another one.
Public address for Level 1: 1cryptommoqPHVNHuxVQG3bzujnRJYB1D
Solutions will be posted here after accomplishing.
Level 1 solved after 6 hours.
Look at Solver.