PickAClass · AI, Tech & Engineering

Blockchain & Web3

Understand the principles of decentralized technologies, cryptocurrencies, and smart contracts. Learn to build decentralized applications (dApps) on platforms like Ethereum.

10 subcategories · 274 courses total

Cryptocurrency & Digital Assets

Explore the world of cryptocurrencies like Bitcoin and Ethereum. Learn about digital wallets, exchanges, and the principles of digital asset management and analysis.

43 courses

Blockchain Fundamentals

Learn the core concepts of blockchain technology, including distributed ledgers, consensus mechanisms, and cryptographic hashing. This is the foundational knowledge for understanding all decentralized systems.

39 courses

Solidity Programming

Gain in-depth knowledge of Solidity, the primary programming language for the Ethereum blockchain. Write, test, and debug smart contracts for various applications.

38 courses

dApp & Web3 Development

Learn to build full-stack decentralized applications (dApps). Integrate smart contracts with front-end interfaces using libraries like Ethers.js and Web3.js.

37 courses

NFTs and Digital Collectibles

Explore the world of Non-Fungible Tokens (NFTs). Learn how to create (mint), buy, sell, and build applications around digital art, gaming assets, and other unique collectibles.

36 courses

Blockchain Security

Focus on securing decentralized systems. Learn about common vulnerabilities in smart contracts, attack vectors, and best practices for writing secure code and auditing protocols.

33 courses

Decentralized Finance (DeFi)

Dive into the decentralized financial ecosystem. Understand concepts like lending protocols, decentralized exchanges (DEXs), yield farming, and staking.

22 courses

Layer 2 & Scaling Solutions

Understand the solutions designed to improve blockchain scalability and reduce transaction costs. Explore technologies like Rollups (Optimistic and ZK), Sidechains, and State Channels.

11 courses

DAOs and Governance

Learn about Decentralized Autonomous Organizations (DAOs) and on-chain governance. Understand how communities can collectively manage protocols and treasuries using smart contracts.

10 courses

Alternative Blockchain Platforms

Look beyond Ethereum to other major blockchain ecosystems. Learn about the unique features, consensus mechanisms, and development environments of platforms like Solana, Polkadot, and Avalanche.

5 courses