You witnessed a landmark conversation between Tim Berners-Lee, inventor of the World Wide Web, and Vitalik Buterin, creator of Ethereum, at ETHPrague conference 2025!

This POAP proves you have attended Swarm Winter Solstice Event 2024, December 21, 2024.

Devcon is the Ethereum conference for developers, thinkers, and makers. Devcon's mission is to bring decentralized protocols, tools, and culture to the people and make Ethereum more accessible around the world. Devcon is a four-day event, all in one big venue. You'll meet everyone in that one place. Devcon Week will span the entire week of November 9-17, with events before and after Devcon, organized by the local and global Ethereum community.