Level II Challenges (143)
Page 1 of the challenges in
Level II, ordered by date posted (the most recent appear first).
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This part of the challenge series is a warm-up with polyphonic substitution. In a polyphonic substitution cipher, more than one plaintext letter are encrypted to the same ciphertext symbol. The key is a mapping from the set of plaintext symbols to the set of ciphertext symbols. Read more...
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Author:
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Published on: 2020-03-28 15:09 |
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Maximum number of attempts for this challenge: 15 |
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All successful users of this challenge
| Rank |
User (#13) |
Achieved points (Global score) |
y-m-d - h:m:s |
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Snake (snk)
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2000 (178106) |
2020-03-28 17:30:14 |
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Armin Krauss (argh)
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2000 (196614) |
2020-03-28 22:07:46 |
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Kurt Gebauer (Yokozuna)
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2000 (254783) |
2020-03-28 22:26:59 |
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Alain Collignon (vexilla72)
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2000 (116602) |
2020-03-28 23:11:11 |
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#5 |
Dominik M. (Sgt. Pepper)
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2000 (118936) |
2020-03-29 03:46:39 |
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#6 |
J-L Morel (Rossignol)
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2000 (37723) |
2020-03-29 12:00:46 |
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#7 |
Viktor (Veselovský)
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2000 (166027) |
2020-03-29 12:49:46 |
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#8 |
Eugene (lim0n)
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2000 (113902) |
2020-03-29 14:49:22 |
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#9 |
Thomas (Thomas4897)
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1824 (35941) |
2020-03-29 17:36:58 |
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#10 |
sarah b (silva)
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1824 (36927) |
2020-03-29 21:05:46 |
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#11 |
D3d4lu5 (D3d4lu5)
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1307 (343788) |
2020-05-06 18:15:02 |
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#12 |
George Lasry (george4096)
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1290 (342650) |
2020-05-14 23:02:08 |
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#13 |
Norbert Biermann (Norbert)
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1270 (47687) |
2020-05-26 19:48:41 |
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