The second cipher, known as Z340, resembled the first: a grid with letters, backward letters, shapes, and other symbols. No one could crack it. Many have tried it over the past 51 years.

Cipher Mining Inc., together with its subsidiaries, develops and operates industrial-scale data centers in the United States. The company was founded in 2021 and is headquartered in New York, New ...

Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to ...

This was more: a coded symbol, a cipher. It was unmistakable to me. Ciphers conceal meanings in plain sight and require the viewer to possess some secret knowledge, or key, to understand their ...

CIPHER MINING ($CIFR) posted quarterly earnings results on Tuesday, February 25th. The company reported earnings of $0.06 per share, beating estimates of -$0.05 by $0 ...

Cipher Pharmaceuticals Inc. operates as a specialty pharmaceutical company in Canada. It offers Epuris (isotretinoin), an oral retinoid indicated for the treatment of severe nodular and/or ...

This was one of the most secure hand ciphers used in the Second World War. It was used by both the Allies and the Axis, and served both well. Its main weakness was that if the attacker intercepted ...

or Freemason’s cipher, was used in the 18th century to substitute letters with symbols using a common pigpen grid. A further type is the book cipher, where numbers separated by periods denote ...