EthCC (Ethereum Community Conference) is an event dedicated to Ethereum and Web3 technologies, at the crossroads of software development, blockchain infrastructure and decentralised applications. The 2027 edition takes place from 12 to 15 April 2027 in Cannes, France, at the Palais des Festivals. The information provided for this calendar mentions around 6,000 participants, a figure not published by the organiser. The programme and registration details can be found at ethcc.io.
What to expect
ETHCC is aimed in particular at developers, entrepreneurs, researchers and professionals following the evolution of Ethereum. The value of the event lies in the exchanges between those who design protocols, build applications or seek to understand the conditions for their adoption. Talks and technical discussions are opportunities to test announcements against the practical constraints of implementation.
Topics to watch for in the programme include network scaling, smart contract security, digital wallets and user experience. Decentralised finance, governance and privacy are also among the sector’s major issues. This list offers a reading guide, without prejudging the sessions actually offered in 2027.
Why it matters
Ethereum plays a structuring role in the ecosystem of decentralised applications. Its technical developments have consequences for usage costs, network capacity and the architecture choices of the services built on it. Following ETHCC therefore helps to better understand the priorities of the teams building this infrastructure, beyond the price swings of crypto-assets.
For a tech readership, the event also offers a perspective on the maturity of Web3: which use cases meet an identifiable need, which limitations persist and what trade-offs are made between decentralisation, performance and simplicity? The European context adds questions of regulation, user protection and how these services fit with existing financial services.
How to get there
Cannes can be reached by train, with a station in the town centre, and by air via Nice-Côte d’Azur airport. The Palais des Festivals, which hosts the conference, is located in the town centre, on the Croisette: accommodation can be chosen with this venue in mind.
Before booking travel or accommodation, check ethcc.io to verify the programme, access conditions and the opening of registration. Also check the language of the sessions and any accessibility constraints. Side events may be run by separate organisers and require separate registration.
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