Welcome to the latest chapter in our series on blockchain fundamentals. Having unpacked the basics of blockchain technology, we're now set to explore its structure, starting with Layer 1. This guide will shed light on the defining aspects, notable examples, and how these foundational blockchains differentiate from Layer 2 solutions. In a nutshell: At the heart of the cryptocurrency ecosystem lie Layer-1 (L1) blockchains, such as Bitcoin, Ethereum, and Solana. These platforms form the inf...