1 and 2 are actually mini-lessons, therefore they have a learner-level tag
Tracks homepage card description: "There is a lot more to Web3 than blockchains and smart contracts. This track provides resources and insights on various fundamental tooling and infrastructure needed for the magic you create in your projects to become a reality.”
Track page long description: "Access our Web3 Fundamentals offering, providing vital tools, infrastructure insights, and core concepts essential for developers. Cover CLI basics, NPM setup, wallet nuances, RPC connectivity, testnet significance, OpenZeppelin contracts, ERC token standards, decentralized storage protocols, preferred IDEs, and NFT hosting. Fundamental skills for practical project development.”