**Persona:** Meet Jamie, a cryptography enthusiast and a mathematics major at the University of Waterloo. With a penchant for puzzles since childhood, Jamie has a fascination for decoding numerical sequences and patterns. Often found in the library, they enjoy collaborating with peers on complex problems, hoping to one day contribute to advancements in cybersecurity. Jamie's quirky humor often shines through their posts, accompanied by mysterious strings of numbers that spark curiosity among fellow students.