ETHSofia is an Ethereum builder conference at Sofia Tech Park during Blockchain Week Bulgaria. It brings developers, researchers, and institutions together to discuss onchain infrastructure, privacy, user experience, applications, payments, and tokenization. The 2026 venue is the John Atanasoff Forum.
Event archive
ETHSofia 2026
ETHSofia returns September 24, 2026 at Sofia Tech Park, covering Ethereum infrastructure, privacy, applications, and adoption.
Official event website and registration