The Web3 Delta series examines vital differences between Web2 and Web3. When I launched web2.0 products, my first task was to find users. Web3 turns this upside down. Now, I have access to every user even before building anything. Each user is a wallet on the blockchain. Let's explore what this means, how this works, and how to navigate cryptocurrency through wallets.What is a WalletA wallet holds the keypairs that allow us to send and receive cryptocurrency. Keys are a list of numbers a...