Explore the challenges of maintaining privacy in cryptocurrency transactions and discover an innovative solution in this 30-minute Stanford University lecture. Delve into the inherent tension between public verification and confidentiality in blockchain systems, examining how transaction transparency can compromise user privacy. Learn about linear range proofs and their limitations, then dive into the concept of Bulletproofs as a potential answer to these issues. Investigate the mechanics of Confidential Transactions and the process of proof verification, gaining insights into how these technologies could shape the future of secure and private digital currency exchanges.