Account

Name
xiaozhuan
Username
xiaozhuan
Joined
Oct. 14, 2022, 7:39 p.m.

Points
34,362
Rank
64
Trophies
Gold0
Silver0
Bronze0

Progress
Level I Challenges
72 / 92
Level II Challenges
24 / 170
Level III Challenges
0 / 75
Level X Challenges
0 / 18

Active Challenges (2)

LevelNameAttemptsDate
Kaskade-S/T — Part 12 / 20Jan. 10, 2023, 9:25 p.m.
Enigma Messages with Repeated Letters — Part 11 / 3Nov. 5, 2022, 6:24 p.m.

Solved Challenges (96)

LevelNamePointsDate
The Syllabary Cipher – Part 51,252Jan. 10, 2023, 4:21 p.m.
The Syllabary Cipher – Part 41,252Jan. 10, 2023, 4:21 p.m.
The Syllabary Cipher – Part 31,252Jan. 10, 2023, 4:19 p.m.
Lightweight Introduction to Lattices — Part 1100Jan. 5, 2023, 11:59 p.m.
Modular Sequences100Dec. 30, 2022, 11:15 p.m.
Double Columnar Transposition100Dec. 29, 2022, 4:54 p.m.
Merkle-Hellman Knapsack Challenge - Part 1101Dec. 28, 2022, 9:28 p.m.
Strange Message from Thessaloniki100Dec. 27, 2022, 4:49 p.m.
Classical Ciphers^3100Dec. 26, 2022, 1:01 a.m.
ADFGVX — Part 2100Dec. 24, 2022, 10:11 p.m.
ADFGVX — Part 1100Dec. 24, 2022, 3:29 p.m.
New Year's Greetings — Part 4100Dec. 23, 2022, 1:32 p.m.
New Year's Greetings — Part 3100Dec. 23, 2022, 1:19 p.m.
New Year's Greetings — Part 2100Dec. 23, 2022, 1:06 p.m.
M-138 — Part 41,088Dec. 20, 2022, 8:30 p.m.
Summer Job1,103Dec. 16, 2022, 9:17 p.m.
RSA: Two different keys — same ciphertext1,080Dec. 16, 2022, 4:58 p.m.
Broadcasting and low exponent — RSA Attack1,080Dec. 13, 2022, 8:02 p.m.
Alice's Birthday Party (Part 2)1,079Dec. 13, 2022, 6:54 p.m.
Alice's Birthday Party (Part 1)1,079Dec. 13, 2022, 4:59 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,079Dec. 13, 2022, 1:52 a.m.
ECDH-Key Exchange for Beginners100Dec. 11, 2022, 6:18 p.m.
Factorization Cipher — Part 1100Dec. 4, 2022, 3:09 p.m.
Spanish Strip Cipher — Part 21,086Nov. 26, 2022, 8:04 p.m.
Spanish Strip Cipher — Part 11,086Nov. 26, 2022, 5:40 p.m.
M-138 — Part 31,088Nov. 26, 2022, 2:15 a.m.
M-138 — Part 21,088Nov. 25, 2022, 11:25 p.m.
Polyhomophonic Substitution — Part 31,119Nov. 24, 2022, 6:50 p.m.
Wheatstone Cryptograph — Part 1100Nov. 22, 2022, 12:36 a.m.
Alberti Challenge — Part 1100Nov. 21, 2022, 3:56 p.m.
Trifid Cipher100Nov. 21, 2022, 1:10 a.m.
Monoalphabetic substitution with camouflage — Part 1100Nov. 20, 2022, 9:38 p.m.
Hill Cipher with Sudoku Key100Nov. 19, 2022, 10:20 p.m.
Number Sequence — Part 10100Nov. 19, 2022, 7:56 p.m.
M-138 — Part 1100Nov. 13, 2022, 6:02 p.m.
An Invisible Message100Nov. 13, 2022, 1:51 a.m.
Polyhomophonic Substitution — Part 21,120Nov. 12, 2022, 10:37 p.m.
Homophonic Encryption — Part 21,110Nov. 12, 2022, 11:54 a.m.
Homophonic Encryption — Part 11,110Nov. 12, 2022, 11:48 a.m.
Homophonic Encryption — Part 41,110Nov. 12, 2022, 11:41 a.m.
Homophonic Encryption — Part 31,110Nov. 12, 2022, 11:29 a.m.
Monoalphabetic Substitution with Nostradamus Flavor1,108Nov. 11, 2022, 7:54 p.m.
New Year's Greetings — Part 1100Nov. 9, 2022, 4:09 p.m.
Find the right route — Part 3100Nov. 9, 2022, 12:30 a.m.
Find the right route — Part 2100Nov. 8, 2022, 6:58 p.m.
Find the right route — Part 1100Nov. 8, 2022, 1:02 a.m.
Number Sequence — Part 5100Nov. 7, 2022, 10:55 p.m.
Pigpen with a twist — Part 1100Nov. 7, 2022, 4:47 p.m.
Polyhomophonic Substitution — Part 1100Nov. 6, 2022, 1:05 p.m.
The Book Code: A Challenge for Bookworms100Nov. 6, 2022, 12:31 a.m.
A modified homophonic cipher with reduced alphabets — Part 1100Nov. 5, 2022, 10:19 p.m.
The Syllabary Cipher – Part 21,502Nov. 5, 2022, 3:15 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100Nov. 4, 2022, 11:01 p.m.
The Syllabary Cipher – Part 1117Nov. 2, 2022, 9 p.m.
Modified Caesar Cipher100Nov. 2, 2022, 8:28 p.m.
Zodiac Cipher100Nov. 1, 2022, 3:25 p.m.
News from Castle Mansfeld100Oct. 26, 2022, 9:46 p.m.
Image Noise100Oct. 26, 2022, 2:51 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Oct. 25, 2022, 9:07 p.m.
A Secret Message from Castle Mansfeld100Oct. 25, 2022, 3:21 p.m.
Cracking SHA1-Hashed Passwords1,080Oct. 24, 2022, 7:26 p.m.
Molehunt (Part 2/3)100Oct. 24, 2022, 5:07 p.m.
Beaver Code100Oct. 24, 2022, 4:17 p.m.
Recycled One-Time Pad100Oct. 22, 2022, 5:41 p.m.
Molehunt (Part 1/3)100Oct. 22, 2022, 4:17 p.m.
Nils away on travel100Oct. 22, 2022, 3:35 p.m.
One-Time Pad with Flaws100Oct. 19, 2022, 8:49 p.m.
Grille Cipher100Oct. 18, 2022, 11:35 p.m.
Playfair with hints about the grid100Oct. 18, 2022, 8:20 p.m.
How do you become a big cryptographer?100Oct. 18, 2022, 8:01 p.m.
The Last Note100Oct. 18, 2022, 1:55 p.m.
A hidden word100Oct. 17, 2022, 6:47 p.m.
Playfair Encryption100Oct. 17, 2022, 5:23 p.m.
Number Sequence — Part 7100Oct. 17, 2022, 4:01 p.m.
Number Sequence — Part 9100Oct. 17, 2022, 3:39 p.m.
Monoalphabetic Substitution100Oct. 17, 2022, 3:06 p.m.
Multilingual Monoalphabetic Substitution100Oct. 17, 2022, 1:30 p.m.
Letter to the Templars — Part 31,083Oct. 16, 2022, 11:58 p.m.
From Russia with Love100Oct. 16, 2022, 8:11 p.m.
A hidden word — Part 2100Oct. 16, 2022, 7:54 p.m.
Cryptanalysis Hacking Puzzles — Part 2100Oct. 16, 2022, 7:41 p.m.
Snow White and the seven dwarfs100Oct. 16, 2022, 5:54 p.m.
Number Sequence — Part 8100Oct. 16, 2022, 5:29 p.m.
¿No Hablas Español? No problemo!100Oct. 16, 2022, 3:38 p.m.
Number Sequence — Part 6100Oct. 16, 2022, 2:59 p.m.
Autokey Cipher100Oct. 16, 2022, 1:15 a.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Oct. 16, 2022, 12:57 a.m.
Caesar Encryption100Oct. 16, 2022, 12:48 a.m.
Advent-Challenge — Part 1100Oct. 15, 2022, 9:46 p.m.
Letter to the Templars — Part 2100Oct. 15, 2022, 8:31 p.m.
Letter to the Templars — Part 1100Oct. 15, 2022, 8:03 p.m.
Number Sequence — Part 4100Oct. 15, 2022, 7:21 p.m.
Number Sequence — Part 3100Oct. 15, 2022, 7:14 p.m.
Number Sequence — Part 2100Oct. 15, 2022, 6:47 p.m.
Number Sequence100Oct. 15, 2022, 6:43 p.m.
Original Caesar Cipher100Oct. 15, 2022, 5:35 p.m.

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