Home : b01lers CTF - b01lers CTF 2023. CTF starts on Friday, March 17th at 21:00 UTC. CTF ends on Sunday, March 19th at 21:00 UTC. PRIZES: The Top Three Purdue University Teams Will. Recieve Binary Ninja Licenses! (Max 4 per team) We thank Trail of Bits for being a sponsor for this year's CTF event. If you would like to learn more about Trail ...