Assets on the blockchain have ballooned to billions of dollars, stored everywhere from Bitcoin and Ethereum, to Bored Ape Yacht Club and Lazy Lion NFTs, to new coins, decentralized finance, and play-to-earn gaming. Yet regulators are only just catching up to the complexities of “Web 3.0” and, for many, it can feel like a Wild West. Prospectors, shills, and fraudsters abound, as do some of the most innovative new companies. This article hopes to shed light on the emerging legal questions that Web 3.0 founders, lawyers, and lawmakers should watch and cases that inform them. These issues include securities laws, intellectual property, right of publicity, advertising, and more.