AVNU Paymaster & Gas Sponsorship on Starknet

A Practical Guide for Building Gasless dApps PART ONE Understanding AVNU Paymaster Imagine this: You're a normal Web2 user. You've been hearing about Web3 for a while, and you finally decide to try it out. You find a cool game. The UI looks clean. It feels legit for a gamer. So you go through the process: You install MetaMask. You follow a YouTube tutorial. You create your wallet. You come back, connect your wallet, and click the main button: "Start" And then you see this: "Insufficient ETH for gas fees." You pause. What is gas? Why do I need ETH? I just want to start my game… At this point, most users don't go buy ETH. They leave. This is the gas fee problem — and it quietly kills Web3 adoption. No matter how good your product is, requiring users to hold a native token before doing anything is friction most won't tolerate, especially new web3 users. On Starknet, AVNU Paymaster has successfully fixed this problem. Built on Starknet's account abstraction model, it allows: Your dApp to s