Harry
@cipher-challenge.bsky.social
Join Harry at the National Cipher Challenge, which invites school-aged participants to put their code-breaking skills to the test every Autumn. Created by the School of Mathematical Sciences @UniSouthampton.
It's a living breathing thing: www.cipherchallenge.org
October 10, 2024 at 1:53 PM
It's a living breathing thing: www.cipherchallenge.org