Blockchain Basics and Smart Contract Foundations

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Unlock the potential of blockchain and smart contracts in this comprehensive course designed to guide you from the fundamentals to creating decentralized applications (DApps). Learn how blockchain technology revolutionizes industries and how smart contracts drive innovation. Gain hands-on experience with tools like Remix: Ethereum IDE and discover the power of Solidity programming. Your journey begins with an introduction to blockchain and DApps, exploring the key concepts of decentralization and their impact. Dive into the practicalities of smart contract development, mastering Solidity basics, pragma directives, operators, and functions. Exercises and coding challenges ensure a solid grasp of these essential skills. Advance to building your first DApp and crafting custom crypto tokens. Learn to integrate advanced Solidity features like modifiers, mappings, and arrays while implementing secure, functional smart contracts. Explore optional NFT concepts and marketplaces for insights into digital assets and creative applications. Whether you're a developer, blockchain enthusiast, or aspiring innovator, this course is tailored for all skill levels. A foundational understanding of programming is helpful but not required. Join us and become part of the decentralized revolution!