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A Review of zk-SNARKs

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arxiv 2202.06877 v4 pith:FEHGLVG7 submitted 2022-02-14 cs.CR

classification cs.CR
keywords applicationszk-snarkfoundationsinformationlikenovelpartyprotocol
verification ladder T0 review T1 audit T2 compute T3 formal

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A zk-SNARK is a protocol that lets one party, the prover, prove to another party, the verifier, that a statement about some privately-held information is true without revealing the information itself. This paper describes technical foundations, current applications, and some novel applications of zk-SNARKs. Regarding technical foundations, we go over the Quadratic Arithmetic Program reduction and the Pinocchio protocol. We then go over financial security applications like Zcash and Tornado Cash, and zk-Rollup applications like zkEVM and Darkforest. We propose novel zk-SNARK protocols for private auctions and decentralized card games on the blockchain, providing code for the proposed applications. We conclude by touching on promising zk-SNARK innovations, such as zk-STARKs.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

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  3. Dynamic Fraud Proof

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  4. Enhancing Blockchain Cross Chain Interoperability: A Comprehensive Survey

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    A systematic survey that organizes blockchain cross-chain interoperability techniques into a classification and compares them with industry practice, while identifying open challenges.

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