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8/ Besides the technical aspect, Web3 offers true transparency, which offers trustless transactions/collaborations/agreements and so on. This is certainly not possible with Web2, which is also prone to online scammers who abuse Web2.

9/ In short: dApps can only run on Web3 because Web3 is a decentralized internet infrastructure. Web2 is not decentralized as it is in the hands of a few large companies, which makes it centralized by default.

This looks funny as a thread because it's really one user replying to himself in succession.