It just depends. We don't need many if we want to be centralized but if we want to be decentralized, we need more.
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It just depends. We don't need many if we want to be centralized but if we want to be decentralized, we need more.
For a cryptocurrency to have value it must be censorship-resistant. And if a blockchain only has a few validators I think it would be easily shutdown by the authorities once it became a real threat to the financial system.