What ZK Can—and Can’t—Do for You
summary
Zero-knowledge SNARKs power a privacy layer in Google Wallet that runs on phone and proves attributes like age without sending ID photos; credentials are device-bound credential via a secure element public key plus biometrics, and the deployed proofs work on a handful of sites today. Other SNARK work targets blockchains, aiming for much smaller, faster checks because current proofs are proofs ~hundreds KB and too large to store and verify on-chain. Biggest risks are implementation bugs and legal requirements that resist precise formalization.
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chapters (7)
- 0:00Introduction to the Panel and Speakers
- 0:30Understanding Snarks: A Simple Analogy
- 3:50Applications of Snarks in Digital Identity
- 8:26Technical Details and Security Measures
- 15:32Blockchain Applications and Differences in Snarks
- 19:50Future Applications and Challenges
- 28:41Audience Q&A
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