The document discusses courses needed to become a blockchain expert. It outlines 4 key courses: 1) Blockchain fundamentals, which provides an understanding of blockchain concepts and hands-on experience building applications. 2) Blockchain principles and practices, which teaches the technology behind Bitcoin and Ethereum. 3) Certified Blockchain Developer, which is in high demand from companies seeking to develop blockchain applications. 4) Certified Blockchain Architect, which teaches the programming and architecture behind blockchain networks. Completing these courses prepares one for a career as a successful blockchain professional with growing job prospects.