# 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.

- Published: 2026-06-29T10:32:12.530Z
- Canonical: https://polylog.news/crypto/2026-06-29/a-new-paper-tries-to-price-sybil-resistance-as-proof-of-pers
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Ethereum Research](https://ethresear.ch/t/the-price-of-forgery-measuring-sybil-resistance-in-dollars-a-paper/25316), [Rekt News](https://www.rekt.news/)

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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