This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Harry
cipher-challenge.bsky.social
did:plc:bnypownbs4a24rvgvqzgq6ne
Day 1 and we have reached our first 500 registrations at www.cipherchallenge.org already! Will we beat last year's record 9,000? That is up to you!
2025-09-18T18:10:28.107Z