Sean Carey, co-founder of Helium, explores trends and challenges in the development of decentralized physical infrastructure (DePIN). Carey reflects on his early experience with his blind grandfather at the Medco Center, an experience that sparked his life-changing curiosity about technology and served as his motivation to enter the field of DePIN. He emphasizes that DePIN, through its understandable concrete properties, such as the Helium blockchain and hotspot devices, not only simplifies the complexity of Web3, but also democratizes the concept of traditional control by large corporations. Carey also discusses the two types of DePIN: commoditization and customization, and how they can drive infrastructure development and foster innovation. Despite challenges such as personally identifiable information and information integrity, Carey is confident in the future of DePIN, noting that the development of ecosystems such as Solana and Peaq has lowered the barriers to entry for the DePIN project, making it easier to implement.