1. Foundations of Token Ecosystems

This chapter delves into the foundational concepts of token ecosystems and blockchain technology, providing a comprehensive overview of how cryptocurrencies and tradable tokens function within their respective ecosystems. It begins by explaining the blockchain as a technical infrastructure, highlighting its role in facilitating economic outcomes and the importance of tokens in these processes. The text then explores the notion of blockchain layers, detailing the different layers such as Layer-0 (Hosting), Layer-1 (Settlement), Layer-2 (Scaling), Layer-3 (Application), and Layer-4 (Aggregation). Each layer is explained in terms of its technical envelope and business relevance, providing insights into how they enable blockchain applications. The chapter also discusses the concept of token ecosystems, emphasizing the interdependence of tokens and the blockchain infrastructure. It concludes by summarizing the key points and setting the stage for further exploration of blockchain-based ecosystems and their economic implications.