Cryptocurrency, blockchain, decentralized applications, and NFTs have grown at unprecedented rates by offering unique solutions to many of the world's problems. Still, few people understand what these technologies actually are, what they offer to the world, how to use them, and how to profit off them. The Crypto Directory enables this understanding by being an all-in-one resource for cryptocurrency learners. The book begins with a high-level breakdown of the ideas governing cryptocurrency and related technologies, then progresses into subjects not limited to the following: an investment & trading guide, history, legality analysis, Q&A, , 150-term glossary, a guide to investing, and more. In short, the Crypto Directory is your one-stop shop for cryptocurrency understanding.