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Cicada 3301

In 2012, a signal appeared on the internet. Hidden messages. Prime numbers. Unknown authors. One book remains largely unsolved. The mystery is still open.

DECODE THE SIGNAL
TRANSMISSION
Compact

THE FIRST IMAGE

2012 / TRANSMISSION

PERIOD
2012
STATUS
ARCHIVED
OPEN FILE
STEGANOGRAPHY
Compact

OUTGUESS

2012 / STEGANOGRAPHY

PERIOD
2012
STATUS
DOCUMENTED
OPEN FILE
MATHEMATICS
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THE PRIME TRAIL

2012 / MATHEMATICS

PERIOD
2012
STATUS
DOCUMENTED
OPEN FILE
TRANSMISSION
Compact

THE PHONE NUMBER

2012 / TRANSMISSION

PERIOD
2012
STATUS
ARCHIVED
OPEN FILE
FIELD CLUES
Compact

QR POSTERS

2012 / FIELD CLUES

PERIOD
2012
STATUS
DOCUMENTED
OPEN FILE
CRYPTOGRAPHY
Compact

BOOK CIPHERS

2012 / CRYPTOGRAPHY

PERIOD
2012
STATUS
DOCUMENTED
OPEN FILE
TRANSMISSION
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THE FIRST CLOSURE

2012 / TRANSMISSION

PERIOD
2012
STATUS
ARCHIVED
OPEN FILE
TRANSMISSION
Compact

THE SECOND CALL

2013 / TRANSMISSION

PERIOD
2013
STATUS
ARCHIVED
OPEN FILE
RUNES
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GEMATRIA PRIMUS

2013 / RUNES

PERIOD
2013
STATUS
DOCUMENTED
OPEN FILE
AUDIO
Compact

THE MUSIC CLUE

2013 / AUDIO

PERIOD
2013
STATUS
DOCUMENTED
OPEN FILE
CRYPTOGRAPHY
Compact

THE CIPHER TABLE

2013 / CRYPTOGRAPHY

PERIOD
2013
STATUS
DOCUMENTED
OPEN FILE
NETWORK
Compact

THE ONION TRAIL

2013–14 / NETWORK

PERIOD
2013–14
STATUS
DOCUMENTED
OPEN FILE
TRANSMISSION
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THE THIRD ROUND

2014 / TRANSMISSION

PERIOD
2014
STATUS
ARCHIVED
OPEN FILE
DOCUMENT
Compact

LIBER PRIMUS

2014 / DOCUMENT

PERIOD
2014
STATUS
UNSOLVED
OPEN FILE
RUNES
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THE RUNIC PAGES

2014 / RUNES

PERIOD
2014
STATUS
PARTLY SOLVED
OPEN FILE
UNSOLVED
Compact

THE 56 PAGES

2014–NOW / UNSOLVED

PERIOD
2014–NOW
STATUS
UNSOLVED
OPEN FILE
DOCUMENT
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PAGE 56

2014 / DOCUMENT

PERIOD
2014
STATUS
SOLVED
OPEN FILE
DOCUMENT
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PAGE 57

2014 / DOCUMENT

PERIOD
2014
STATUS
SOLVED
OPEN FILE
NETWORK
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THE DEEP-WEB HASH

2014 / NETWORK

PERIOD
2014
STATUS
UNRESOLVED
OPEN FILE
TRANSMISSION
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THE 2016 SIGNAL

2016 / TRANSMISSION

PERIOD
2016
STATUS
ARCHIVED
OPEN FILE
PGP
Compact

THE FINAL WARNING

2017 / PGP

PERIOD
2017
STATUS
VERIFIED
OPEN FILE
PGP
Compact

KEY 7A35090F

2012–17 / PGP

PERIOD
2012–17
STATUS
DOCUMENTED
OPEN FILE
GUIDE
Compact

VERIFY THE SIGNATURE

TIMELESS / GUIDE

PERIOD
TIMELESS
STATUS
REFERENCE
OPEN FILE
ORIGINS
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THE UNKNOWN AUTHORS

UNKNOWN / ORIGINS

PERIOD
UNKNOWN
STATUS
UNCONFIRMED
OPEN FILE
PHILOSOPHY
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ANONYMITY

TIMELESS / PHILOSOPHY

PERIOD
TIMELESS
STATUS
CULTURE
OPEN FILE
PHILOSOPHY
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INFORMATION FREEDOM

TIMELESS / PHILOSOPHY

PERIOD
TIMELESS
STATUS
CULTURE
OPEN FILE
METHOD
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PATTERN / NOISE

TIMELESS / METHOD

PERIOD
TIMELESS
STATUS
GUIDE
OPEN FILE
PGP
Compact

FALSE SIGNALS

ONGOING / PGP

PERIOD
ONGOING
STATUS
CAUTION
OPEN FILE
COMMUNITY
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THE SOLVERS

ONGOING / COMMUNITY

PERIOD
ONGOING
STATUS
ACTIVE
OPEN FILE
EPILOGUE
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THE PUZZLE REMAINS

ONGOING / EPILOGUE

PERIOD
ONGOING
STATUS
UNFINISHED
OPEN FILE