A code that substitutes one set of symbols for another. Ciphers are often used to encrypt concepts a person wants to keep secret. Only a person with a key to the cipher can translate it. However, because this type of code is easily cracked, many modifications to a simple cipher have appeared.
LlewellynCon 2025: June 11 - 20
Join us for our sixth annual LlewellynCon: a free, virtual event with 10 days of presentations and Q&As with some of your favorite authors. Visit our main event page to view the full schedule of author...