After writing about Trump's newly appointed crypto czar David Sacks yesterday, there was a comment that left a deep impression on me. Peter Thiel (the author of "Zero to One") has also become a pivotal figure in this intricate power game. In addition, there is the ever-watchful Elon Musk. These three belong to a well-known and powerful small collective known as the "PayPal Mafia." This article aims to list the core members of the PayPal Mafia. What is their influence and power? Most importantly, what cryptocurrency projects and concepts are related to them? Let's get started!