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Computer Scientist Explains One Concept in 5 Levels of Difficulty | WIRED

WIRED · explainer · Watch on YouTube

Cryptography

What it is

WIRED has UCLA professor Amit Sahai explain zero-knowledge proofs to a child, a teen, a college student, a grad student and an expert. Each round goes deeper into the cryptography and why it matters.

Why Hacker News recommends it

It is the go-to accessible explanation of zero-knowledge proofs, linked whenever a thread needs an intuitive introduction.

  • 3 people recommended it
  • 3 different months
  • 2 strong recommendations
  • first 2022, last 2026

What HN commenters said

  1. “This is the best explanation I have seen”

    Zero-knowledge proofs explained at five levels, child to expert.

    jimmySixDOF, 2022-05 · Strong recommendation · in “Zero knowledge proofs in RISC-V”

  2. “This video is very beautifully explains it”

    Beautifully explains zero-knowledge proofs.

    mohsen1, 2026-07 · Strong recommendation · in “Opening up 'Zero-Knowledge Proof' technology to promote privacy in age assurance”

  3. “That doesn't explain the way this scheme works, but it's a nice start.”

    Simple introductory video explanation of zero-knowledge proofs.

    abhv, 2025-07 · Recommendation · in “Opening up ‘Zero-Knowledge Proof’ technology”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: cryptography, zero-knowledge, amit sahai, wired 5 levels, blockchain

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