The K-pop group BTS’s 2020 release *Life Goes On* became the first Korean-language song to top the Billboard Hot 100. BTS fans worldwide sang along to lyrics like “One day, the world stopped” and ...

J K Rowling’s The Hallmarked Man features the Pigpen Cipher, a centuries-old code once used by Freemasons and revolutionaries ...

Some ciphers have simple keys, others, complex ones. The key for a cipher used by Augustus Caesar, some 2,000 years ago, was simple enough: The receiver just had to shift the alphabet one position.

The cipher was in French in my first version, I changed the examples to pick them in GeekDad challenge cipher. Here was the challenge : ...

The imprisoned Mary, Queen of Scots used sophisticated ciphers as she conspired to overthrow her cousin, Elizabeth I. Long thought lost, the letters were hiding in plain sight.