Held in London a few months after Ethereum went live. The first Devcon open to a wider audience, setting the pattern of technical talks that defines the series today.
The first public Devcon ran five days in London a few months after the network went live. The archive lists 78 sessions and 87 speakers. Day one opened with the keynote and Ethereum roadmap from Vitalik Buterin, Jeffrey Wilcke, Alex Van de Sande and Gavin Wood; the week covered the original roadmap piece by piece, early dApp teams and the first enterprise interest. Source: Devcon Archive (archive.devcon.org), checked 4 Sep 2026.
