30:
666:
656:
17:
400:
431:
Partially solved (all 4 ciphertexts solved between 1985 and 1986, but the solution to the 4th ciphertext has since been lost)
476:
661:
245:
540:
347:
161:
33:
373:
295:
81:
610:
319:
306:
8:
262:
249:
94:
494:
147:
231:
360:
192:
439:
426:
413:
288:
205:
174:
120:
588:
562:
650:
386:
333:
218:
68:
641:
637:
188:
134:
107:
29:
509:
489:
523:
457:
Partially solved (3 out of the 4 ciphertexts solved between 1992–1999)
392:
Partially solved (2 out of the 4 ciphertexts solved between 1969–2020)
275:
223:
Partially solved (1 out of the 3 ciphertexts solved between 1845–1885)
45:
41:
452:
543:(cleartext, natural-language writing of unknown meaning)
564:The $ 100,000 Puzzle That Took Two Years to Solve
339:Solved (broken by Allied cryptographers in 1942)
325:Solved (broken by Allied cryptographers in 1940)
648:
582:
580:
254:Solved (solution given within the short story)
197:Solved (solution given within the short story)
586:
560:
515:Partially solved (2 out of 3 puzzles solved)
590:The $ 100,000 Puzzles That Were NEVER SOLVED
577:
667:Undeciphered historical codes and ciphers
642:list of famous unsolved codes and ciphers
48:), in chronological order by date, are:
28:
492:, embedded within the 2006 judgment on
401:The Magic Words are Squeamish Ossifrage
14:
649:
298:cryptographers between 1932 and 1945)
53:
501:Solved within month of publication
267:Solved within days of transmission
24:
657:Cryptography lists and comparisons
25:
678:
631:
477:Ricky McCormick's encrypted notes
246:The Adventure of the Dancing Men
603:
554:
13:
1:
547:
294:Solved (broken by Polish and
587:Karen Puzzles (2021-05-09).
561:Karen Puzzles (2021-03-07).
541:Undeciphered writing systems
7:
534:
10:
683:
334:Lorenz SZ42 machine cipher
18:List of famous ciphertexts
104:1500s (16th century) (?)
662:History of cryptography
162:Shugborough inscription
150:'s treasure cryptogram
34:Shugborough inscription
82:Papyrus Oxyrhynchus 90
37:
348:Pigeon NURP 40 TW 194
320:Purple cipher machine
91:1400s (15th century)
32:
599:– via YouTube.
573:– via YouTube.
405:Solved in 1993–1994
60:Decipherment status
263:Zimmermann Telegram
611:"Scorpion Ciphers"
307:D'Agapeyeff cipher
250:Arthur Conan Doyle
95:Voynich Manuscript
65:2nd millennium BC
38:
532:
531:
495:The Da Vinci Code
465:Scorpion ciphers
148:Olivier Levasseur
16:(Redirected from
674:
625:
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621:
615:Cipher Mysteries
607:
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584:
575:
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232:Dorabella Cipher
191:" cryptogram by
51:
50:
21:
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559:
555:
550:
537:
361:Tamam Shud case
206:Debosnys cipher
193:Edgar Allan Poe
179:Solved in 2011
153:Solved in 2024
54:Year of origin
23:
22:
15:
12:
11:
5:
680:
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632:External links
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289:Enigma machine
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216:
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177:
175:Copiale cipher
172:
168:
167:
164:
159:
155:
154:
151:
145:
141:
140:
137:
132:
128:
127:
124:
121:Babington Plot
118:
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113:
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84:
79:
75:
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71:
66:
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55:
9:
6:
4:
3:
2:
679:
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404:
402:
399:
396:
395:
391:
388:
387:Zodiac Killer
385:
382:
381:
377:
375:
374:James Hampton
372:
369:
368:
364:
362:
359:
356:
355:
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243:
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235:
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220:
219:Beale ciphers
217:
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213:
209:
207:
204:
201:
200:
196:
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186:
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182:
178:
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136:
133:
131:17th century
130:
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70:
69:Phaistos Disc
67:
64:
63:
59:
56:
52:
49:
47:
43:
35:
31:
27:
19:
638:Elonka Dunin
618:. Retrieved
614:
605:
594:. Retrieved
589:
568:. Retrieved
563:
556:
493:
440:Decipher III
189:The Gold-Bug
135:Great Cipher
108:Rohonc Codex
40:Some famous
39:
26:
510:Cicada 3301
490:Smithy code
427:Decipher II
57:Ciphertext
46:cryptograms
42:ciphertexts
651:Categories
620:2024-07-04
596:2024-07-04
570:2024-07-04
548:References
524:11B-X-1371
506:2012–2016
316:1939–1945
285:1918–1945
276:Chaocipher
248:" code by
171:1760–1780
158:1748–1756
36:in England
481:Unsolved
468:Unsolved
444:Unsolved
378:Unsolved
365:Unsolved
352:Unsolved
336:messages
322:messages
311:Unsolved
291:messages
236:Unsolved
210:Unsolved
166:Unsolved
112:Unsolved
99:Unsolved
86:Unsolved
73:Unsolved
535:See also
512:puzzles
414:Decipher
389:ciphers
370:1950(?)
123:ciphers
78:179-180
528:Solved
453:Kryptos
418:Solved
280:Solved
139:Solved
126:Solved
296:Allied
520:2015
498:case
486:2006
473:1999
462:1991
449:1990
436:1987
423:1986
410:1983
397:1977
383:1969
357:1948
344:1944
330:1941
303:1939
272:1918
259:1917
241:1903
228:1897
215:1885
202:1882
184:1843
144:1730
117:1586
44:(or
640:'s
653::
613:.
579:^
623:.
244:"
187:"
20:)
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