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Web 3.0 is the next generation of the Internet, built and developed based on blockchain technology. It has many blockchain-related features, highlighting decentralization. Users can now really own their online properties thanks to the decentralisation brought by smart contract technology. NFTs act as proofs of ownership for digital assets like songs, drawings or in-game items or real-life assets that are represented by non-fungible tokens. They are also used as tickets to enter in-person events.