What iscypher?

cypher – a quantity of no importance; “it looked like nothing I had ever seen before”; “reduced to nil all the work we had done”; “we racked up a pathetic goose egg”; “it was all for naught”; “I didn’t hear zilch about it”. goose egg, nada, naught, nil, nix, nothing, null, zero, zilch, zip, zippo, aught, cipher.

What is the 340 cipher?

Dubbed the “340 cipher,” the message was unraveled by a trio of code breakers — David Oranchak, a software developer in Virginia, Jarl Van Eycke, a Belgian computer programmer, and Sam Blake, an Australian mathematician. Decoding the cipher revealed the following message.

Is the San Francisco Police Department aware of the solved cipher?

The San Francisco Police Department has also been made aware of the solved cipher, and said the information has been sent to the department’s cold case homicide investigators.