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Active Challenges (1)

Level	Name	Attempts	Date
	Affine Codes / Modulo Arithmetic with N / Extended Euclid	1 / 20	Oct. 12, 2011, 8:52 p.m.

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+++ [May 27, 2023, 7:59 PM] happyhacker solved the L1 challenge 'Original Caesar Cipher' +++ [May 27, 2023, 6:14 PM] happyhacker solved the L1 challenge 'The Syllabary Cipher – Part 1' +++ [May 27, 2023, 5:43 AM] Cl3v3r solved the L1 challenge 'Cryptanalysis Hacking Puzzles — Part 2' +++ [May 26, 2023, 8:53 PM] iQuigg solved the L1 challenge 'Alberti Challenge — Part 1' +++ [May 26, 2023, 8:53 PM] CC35A solved the L1 challenge 'Alberti Challenge — Part 1' +++