The long overdue redesign of the European power system requires a break-up of the main energy pools into smaller, regional and distributed energy generators. This small- scale on-site production of renewable energy can contribute positively to demand response, which will help to relieve congestion and thus to reduce cost. Owing to blockchain-based smart contracts, prosumers are encouraged to get involved in direct trade using the peer-to-peer network. This technology can provide users with

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... ht, eliminate third parties, increase users' agency and undermine the market power of the main providers. Applying the appropriate regulatory mechanisms can accelerate this transformation. All of this can facilitate the participation in green electricity generation and contribute towards a more sustainable power grid.