NSUCRYPTO 2026: International Olympiad in Cryptography
An open online olympiad in cryptography and mathematics: school students, university students and professionals from any country can take part, with no age limit. Round 1 (individual, 4.5 hours) is on 11 October 2026 and round 2 (team of up to three, one week) runs from 12 to 19 October. Problems are in English, solutions can be written in English or Russian, and final results are published on 30 November 2026.
Olympiads Online