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Buterin: Zero-Knowledge Digital IDs Still Carry Coercion, Privacy Risks

2025-07-04 05:36:16

Main Idea

Vitalik Buterin warns that zero-knowledge digital ID systems, like Worldcoin, may compromise pseudonymity and introduce coercion risks despite their privacy benefits.

Key Points

1. Buterin highlights concerns that one-identity-per-person systems, even with zero-knowledge proofs, create vulnerabilities by linking previously separate accounts.

2. He acknowledges zero-knowledge technology improves privacy by verifying credentials without revealing personal data but warns strict single-identity systems undermine pseudonymity.

3. Buterin suggests alternative approaches like 'pluralistic identity' models with no single dominant issuer to avoid centralization risks.

4. The analysis comes as Worldcoin surpasses 10 million users, raising questions about scalability and privacy in digital ID systems.

Description

Ethereum co-founder Vitalik Buterin has raised concerns that digital identity systems using zero-knowledge proofs, such as Sam Altman’s World project, could weaken online pseudonymity while introducing new risks. Buterin Argues One-ID-Per-Person Systems Create New Vulnerabilities In a June 28 blog post, Buterin argued that even privacy-focused designs face fundamental challenges when enforcing a one-identity-per-person rule.

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