π PicoGym - Substitution0
2025-11-13
A message has come in but it seems to be all scrambled. Luckily it seems to have the key at the beginning. Can you crack this substitution cipher?
546 words
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3 minutes
π PicoGym - 13
2025-11-12
Cryptography can be easy, do you know what ROT13 is? cvpbPGS{abg_gbb_onq_bs_n_ceboyrz}
115 words
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1 minute
π PicoGym - interencdec
2025-11-12
Can you get the real meaning from this file. Download the file here.
237 words
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1 minute
π PicoGym - Mod 26
2025-11-11
Cryptography can be easy, do you know what ROT13 is cvpbPGS{arkg_gvzr_V'yy_gel_2_ebhaqf_bs_ebg13_nSkgmDJE}
297 words
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1 minute
π PicoGym - Hashcrack
2025-11-10
A company stored a secret message on a server which got breached due to the admin using weakly hashed passwords. Can you gain access to the secret stored within the server? Additional details will be available after launching your challenge instance.
656 words
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3 minutes
π CryptoHack - Modular Arithmetic
2025-03-04
Build a strong foundation in modular arithmetic for cryptography challenges.
1862 words
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9 minutes