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Level X Challenges (18)

Page 1 of the challenges in Level X, ordered by date posted (the most recent appear first).

The Vatican Challenge — Part 5

[lasry-13] - 0 users already solved this challenge.
 
 
 

The Vatican owns some encrypted manuscripts waiting for decryption. Can you find the solution for an archive manuscript from 1539-1548?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2019-07-07 20:50
Maximum number of attempts for this challenge: 15

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The Vatican Challenge — Part 4

[lasry-12] - 1 user already solved this challenge.
 
 
 

The Vatican owns some encrypted manuscripts waiting for decryption. Can you find the solution for an archive manuscript from 1535/1536?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2019-07-07 20:46
Maximum number of attempts for this challenge: 15

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Rank User (#1) Achieved points (Global score) y-m-d - h:m:s

Thomas (Thomas4897) 10000 (16596) 2019-08-23 00:58:00
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The Vatican Challenge — Part 3

[lasry-11] - 0 users already solved this challenge.
 
 
 

The Vatican owns some encrypted manuscripts waiting for decryption. Can you find the solution for a message from 1721?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2019-06-25 17:14
Maximum number of attempts for this challenge: 15

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Catherine of Aragon's Letter to King Ferdinand, her Father (1509)

[tomokiyo-01] - 2 users already solved this challenge.
 
 
 

On November 3rd, 1509, Catherine of Aragon wrote an encrypted letter to her father. What did she tell him?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2018-11-28 15:42
Maximum number of attempts for this challenge: 15

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Rank User (#2) Achieved points (Global score) y-m-d - h:m:s

Thomas (Thomas4897) 2000 (16596) 2018-12-11 15:50:54
Viktor (Veselovský) 2000 (155163) 2018-12-11 15:52:01
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The Vatican Challenge — Part 2

[megyesi-02] - 3 users already solved this challenge.
 
 
 

The Secret Archives of the Vatican keep a large collection of ciphertexts from papal correspondence. The keys of these manuscripts have been destroyed, or are kept elsewhere and been forgotten. Can you find out how to decipher the letter from March 14, 1625?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2018-02-14 20:43
Maximum number of attempts for this challenge: 15

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Rank User (#3) Achieved points (Global score) y-m-d - h:m:s

Norbert Biermann (Norbert) 2000 (45031) 2018-03-20 15:45:57
Thomas (Thomas4897) 1000 (16596) 2018-04-16 16:42:50
Tomokiyo (cryptiana) 1000 (1000) 2018-06-01 14:59:09
The solution for this challenge was made public on 2018-06-20, and thus it is not possible to get points for this challenge any more. However, you can still solve and enter a solution for this challenge. If you believe you have the solution, you can still write us an email.
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   +++    [22:10 - 20.10.2019] Greko solved the Level II challenge 'Homophonic Encryption — Part 3'    +++    [21:30 - 20.10.2019] Sgt4chan solved the Level I challenge 'Factorization Cipher — Part 1'    +++    [20:34 - 20.10.2019] rnd solved the Level II challenge 'The T52 Sturgeon Challenge — Part 2'    +++    [13:11 - 20.10.2019] lim0n solved the Level II challenge 'Music Code — Part 2'    +++    [13:09 - 20.10.2019] lim0n solved the Level I challenge 'Music Code — Part 1'    +++