Connect with other builders, talk to teams looking for talent, meet your users, or showcase your app at the Ethereum World’s Fair. Explore what Ethereum is for and what it enables, test applications, and win in some fun challenges.

Aztec is a fully decentralized, privacy-preserving L2 on Ethereum. Developers write smart contracts using our popular Noir programming language, making it easy to seamlessly integrate public and private state.

The standard for secure onchain applications at any scale. Build, secure, and operate across 30+ chains with OpenZeppelin Contracts and open source tools. Lock down your code with our gold-standard smart contract and blockchain infrastructure audits.

You got this digital collectible because you have met Patricio Worthalter in real life during November of 2025. https://twitter.com/worthalter https://t.me/patricioworthalter

Before it was a movement, it was a night. You were among the first to settle, to show that crypto belongs to the streets. This POAP marks where it all began.