Questions tagged [zero-knowledge]

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9
votes
1answer
734 views

What data will zk-SNARKs protect?

Implementing zk-SNARKs is planned in Ethereum roadmap, what data will be obfuscated? transaction sender and receiver? data in transactions? data stored in contracts? variables and methods in ...
4
votes
3answers
1k views

Is there a decentralized zk-SNARK (zero-knowledge Succinct Non-Interactive ARgument of Knowledge)?

Normally, in zk-SNARK, we need to generate two public keys: one for prover and one for verifier. However, the input parameter of this generator algorithm must be secret, meaning that it must be hidden ...
34
votes
3answers
9k views

zk-SNARKs vs. Zk-STARKs vs. BulletProofs? (Updated)

zk-SNARKs, Zk-STARKs and BulletProofs are three major zero knowledge proofs to provide privacy for the blockchain technology. If we can compare them, (1) Bulletproofs and Zk-STARKs require no ...
11
votes
3answers
1k views

Can ZKSnarks be implemented on the Ethereum ecosystem?

Since Zcash seems to have it's ZKSnarks implementation finished (or almost at least). And versions of JPMorgan's Quorum had appeared with ZKsnarks implementations included see: https://www.coindesk....
6
votes
2answers
2k views

Updated: Is it possible to hide the sender or receiver of transactions by "zk-SNARK" or "Bulletproofs"?

To support the user privacy, is it possible to hide the sender address or receiver address of transactions by "zk-SNARK" or "Bulletproofs" ? Or we’ll be able only to hide the value that is mapped to ...