In this episode of The Circuit, Ben Bajarin and Jay Goldberg are joined by Scott Best to discuss cryptography. They explore the origins of cryptography, including Scott's personal journey and early experiences with decoding secret messages. They also delve into the practical applications of cryptography in everyday life, such as secure web browsing and firmware updates. Scott explains the concept of key size and how it determines the strength of encryption. The conversation concludes with a discussion on the future of cryptography and the potential impact of quantum computers.