Introduction to Blockchain Architecture and Types

Blockchain technology is not a one-size-fits-all solution, and choosing the wrong network structure can compromise security, speed, and scalability. This text-based course demystifies the structural variations of distributed ledger technology, helping you navigate the decentralized landscape with confidence. You will transition from a basic understanding of distributed ledgers to a clear, conceptual mastery of public, private, hybrid, and consortium networks. In this course, you will: 1. Understand the core differences between public, private, hybrid, and consortium blockchains. 2. Analyze real-world use cases for each network type to make informed architectural decisions. 3. Compare consensus mechanisms including Proof of Work, Proof of Stake, and Byzantine Fault Tolerance. 4. Explore the fundamentals of modern Layer 2 scaling solutions and sidechains. 5. Evaluate security, privacy, and performance trade-offs across different ledger architectures. This course begins with essential terminology and foundational cryptographic concepts before guiding you through detailed comparative analyses and scenario-based design exercises. Designed for absolute beginners, developers, and business analysts, this course requires no prior programming experience or technical background. Start reading today to build a solid foundation in modern decentralized network structures.