This document discusses blockchain technology and its potential applications for startups. It begins by outlining characteristics that indicate when blockchain may be suitable, such as the need for shared data storage among multiple parties with conflicting incentives. It then discusses key concepts like immutability, transparency, and efficiency. The document addresses common myths about blockchain and explores levels of blockchain adoption from basic record keeping to full automation. It provides an example startup project using blockchain for the equine industry and encourages imagining other applications. It concludes by introducing the author and inviting feedback.