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The Polylog Crypto Intelligence Brief

Morning Edition · Monday, June 29, 2026

A New Paper Tries to Price Sybil Resistance, as Proof-of-Personhood Systems Get Hacked

Researchers propose measuring identity systems by the dollar cost of forging a fake person, days after one such network appeared on a breach tracker.

A New Paper Tries to Price Sybil Resistance, as Proof-of-Personhood Systems Get Hacked

A new research paper circulated on Ethereum's research forum proposes a concrete way to evaluate digital-identity systems. Titled "The Price of Forgery," it argues that proof-of-personhood, the effort to verify that an online actor is a uni…

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Personhood Becomes Measurable Infrastructure

As automated agents proliferate on-chain, verifying unique humans becomes a measurable and contested infrastructure layer, with the cost of forging identity emerging as the metric that decides which systems are trusted.