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ETHSofia 2025 gathers global experts in Ethereum and web3 security for two days of deep dives, panels, and workshops in Bulgaria.
Sofia, Bulgaria – ETHSofia, Bulgaria’s flagship Ethereum event, returns this September 24-25th at Sofia Tech Park, uniting some of the sharpest minds in web3 for three days of deep technical content and meaningful connections. Blending Balkan energy with global expertise, ETHSofia continues to cement Sofia’s place as one of Europe’s rising Ethereum hubs.
This year’s edition puts a special spotlight on web3 Security, featuring leading researchers, auditors, and protocol engineers working at the frontlines of infrastructure resilience, exploit prevention, and smart contract design. With a sharp increase in protocol exploits across the industry, ETHSofia is doubling down on security-focused sessions, expert panels, and practical workshops.
The conference will also feature key topics such as AI x Blockchain, Trading Tech, DeFi, RWAs & Tokenization, and Blockchain Scaling.
ETHSofia 2025 is backed by a strong roster of sponsors and ecosystem supporters:
Nexo, a premier digital assets wealth platform; Ambire, pioneers in smart contract wallets; Bitomat; BoneX; UEB3 Fund, and Remote IT World, as well as the Ethereum Foundation, returning as a supporter through its Ecosystem Support Program.
Building on the momentum of 2024’s major success, ETHSofia 2025 is set to be bolder, larger, and more immersive than ever, uniting builders, dreamers, and degens in the heart of Sofia.
Innovation Forum John Atanasoff at Sofia Tech Park
