The document discusses the potential applications of cryptocurrency and decentralized technologies to various sectors of society such as finance, government, identity, and art. It notes that while protocols aim to be invisible to users, practically nothing has been built yet in areas like custody, onboarding, supply chains, and fiat gateways. The document promotes participating in a hackathon to help build out these applications based on one's skills and available time, with the long term goal of helping create a new decentralized world powered by technologies like DeFi, NFTs and DAOs.