Level II Challenges (146)
Page 1 of the challenges in
Level II, ordered by date posted (the most recent appear first).
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Holographic encryption can be performed by employing encryption masks which alter the field before propagation. This makes the image unrecognizable when recorded. You are given three holograms that represent the cipher image and two corrupted encryption masks. Read more...
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Author:
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Published on: 2017-04-07 22:25 |
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Maximum number of attempts for this challenge: 15 |
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All successful users of this challenge
| Rank |
User (#6) |
Achieved points (Global score) |
y-m-d - h:m:s |
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Viktor (Veselovský)
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1660 (168147) |
2017-04-11 09:41:56 |
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Armin Krauss (argh)
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1456 (202814) |
2017-04-19 17:59:59 |
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Bart den Hartog (Bart13)
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1198 (148936) |
2017-09-20 03:18:52 |
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D3d4lu5 (D3d4lu5)
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1124 (343788) |
2019-07-21 16:07:09 |
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#5 |
Eugene (lim0n)
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1120 (124450) |
2019-11-08 18:32:36 |
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#6 |
Kurt Gebauer (Yokozuna)
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1117 (260506) |
2020-02-03 08:16:13 |
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