Opening up ‘Zero-Knowledge Proof’ technology

原始链接: https://blog.google/technology/safety-security/opening-up-zero-knowledge-proof-technology-to-promote-privacy-in-age-assurance/

There are two distinct surveys defined in the data. The first, named "AA - Google AI product use - I/O" with survey ID "aa-google-ai-product-use-io_250519", aims to gauge the frequency of Google AI tool usage (Gemini, NotebookLM). It triggers after 50% scroll depth with a 75% display rate. The single question offers five response options: Daily, Weekly, Monthly, Hardly Ever, and Unsure. The survey displays "Thank You! ✅" upon completion. The second survey, "Article Improvements - March 2025" (survey ID "article-improvements-march-2025_250321"), focuses on gathering feedback for article improvements. It appears after 75% scroll depth and also has a 75% display rate. It asks "How could we improve this article?" with choices: Make it more concise, Add more detail, Make it easier to understand, Include more images or videos, and It's fine the way it is. Completion triggers "Thank you! ✅". Both surveys are intended for target article pages.

This Hacker News thread discusses Google's release of 'Zero-Knowledge Proof' technology and seeks intuitive explanations of non-interactive zero-knowledge proofs (ZKPs). Several analogies are proposed, including the "Where's Waldo" example, where proving you know Waldo's location without revealing it is discussed, and the cut-out paper variation. The Fiat-Shamir transformation is mentioned as a key technique for turning interactive proofs into non-interactive ones by using a hash of public inputs as a challenge instead of a verifier's coin toss. The thread also delves into real-world applications like age verification and digital identity, discussing how ZKPs can allow users to prove their age to websites without sharing other personal information. A major focus becomes the need for secure elements like hardware security keys in phones for storing and using the credentials. The complexities and trade-offs between privacy and security, including the potential for malicious wallets to leak user information, are explored. The thread closes with users and experts sharing ideas to enhance the tech and discussing potential use cases.

原文

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