R1CS

Definition ∞ R1CS, or Rank 1 Constraint System, is a mathematical framework used to express computational problems in a form suitable for zero-knowledge proofs. It translates complex computations into a series of quadratic equations, where solutions satisfy specific constraints. This representation is fundamental for constructing cryptographic proofs that verify computation integrity without revealing inputs. It enables privacy-preserving and verifiable computing.
Context ∞ In the development of privacy-focused digital assets and scalable blockchain solutions, R1CS is a foundational component for implementing zero-knowledge succinct non-interactive arguments of knowledge (zk-SNARKs). Discussions often involve optimizing the conversion of programs into R1CS form to reduce proof sizes and verification times. The efficiency of R1CS directly impacts the practicality and adoption of advanced cryptographic techniques in decentralized applications.