Blog Archive

Case Study

Introducing Sunspot - Noir on Solana

Sunspot brings the ease-of-use of Noir to Solana, with developers now able to write, compile, and verify any Noir program on Solana without breaking the bank! In doing so, it unlocks on-chain KYC, private DeFi, secure data availability and more.

Matthew Klein

Research

Keccacheck: towards a SNARK friendly Keccak

Keccak, the hash function at the core of Ethereum, is computationally expensive to prove in SNARK circuits, creating a bottleneck for the ZK ecosystem. Our approach combines a GKR-inspired protocol with Groth16, bringing down the average cost of a Keccak instance to <4k R1CS constraints.

Matthew Klein