Implicit pluralistic identity has a cost curve that is steeper than quadratic, but it still has most of the right properties: cost of acquiring multiple identities is high, but pseudonymity is achievable.
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Does digital ID have risks even if it's ZK-wrapped?
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Vitalik Buterin explained that implicit pluralistic identity systems, which rely on overlapping ID types without a central issuer, may not perfectly match the ideal N² cost curve, but still maintain key privacy and decentralization properties due to their steeper identity acquisition cost.
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