Wonderland CTF is a capture-the-flag competition taking place on April 1, 2026, at the Palace of Festivals and Congresses in Cannes. The event runs from 3:00 PM to 9:00 PM and includes an opening ceremony, a competitive CTF segment, an award ceremony, and a networking hour. Sponsored by Trail of Bits, Aztec, Runtime Verification, Envio, and Pashov, the competition is open to participants with skills in blockchain and smart contract security