What is a zero-knowledge proof?
- Zero Knowledge Proofs: An illustrated primer
- What are zk-SNARKs?
- “The Functionality of zk-SNARK” challenge set in “The Hunting of the SNARK”.
- “Probabilistic Proof Systems” course notes
Zero-knowledge proving systems
- ZKBoo [GMO16]
- ZKB++ / Picnic [CDGORRSZ17]
- Ligero [AHIV17]
- Hyrax [WTSTW17]
- zk-STARKs [BBHR18]
- Updatable Universal CRSs [GKMMM18]
Implementations of proving systems
- libsnark - C++ library for zk-SNARK proofs
- bellman - Rust library for zk-SNARK proofs
- ZKP primitives for Camenisch-Lysyanskaya anonymous credentials
- Camenisch-Lysyanskaya anonymous credentials (work in progress)
- client-server (prover-verifier) communication based on Protobuffers and gRPC
- VC implementation accompanying the Pinocchio [PGHR13] and Geppetto [CFHKKNPZ14] papers
Low-level libraries/languages for writing circuits
- libsnark’s gadgetlib1 and gadgetlib2 - C++ libraries for for building circuits for preprocessing zk-SNARKs
- jsnark - Java library for building circuits for preprocessing zk-SNARKs, backed by libsnark
- ZoKrates - Toolbox for zk-SNARKs on Ethereum, backed by libsnark
- Snarky - OCaml front-end for writing R1CS SNARKs, currently backed by libsnark
General-purpose compilers from high-level languages
- ZKPDL [MEKHL10]
- Cashlib - C++ implementation
- Pinocchio [PGHR13]
- Pantry [BFRSBW13]
- Geppetto [CFHKKNPZ14]
- TinyRAM [BCGTV13], vnTinyRAM [BCTV14a] and scalable TinyRAM [BCTV14b]
- Buffet [WSRBW15]
- C0C0 [KZMQCPPSS15]
- Pequin - Toolchain to verifiably execute programs expressed in (a large subset of) C, backed by libsnark.
- Snårkl [SML17] - Haskell embedded DSL for verifiable computing
- xJsnark [KPS18]
- Zcash Sprout
- ANONIZE [HMP15]
- Zcash Sapling
- Zero Knowledge Proof Standardization and 1st Workshop
- Letter to NIST on standardizing new cryptographic standards
So are they fast yet?
Stay tuned! 😁
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