Definition ∞ Verifier-to-verifier refers to a specific interaction model within a cryptographic proof system where one verifier can delegate or pass on the task of verification to another verifier. This chain of verification allows for flexible distribution of computational load or hierarchical trust structures. It means that a proof accepted by an initial verifier can then be efficiently re-verified or passed along for further scrutiny by a subsequent verifier. This process can optimize resource utilization in complex systems.
Context ∞ The discourse on verifier-to-verifier interactions often highlights its potential for creating more efficient and modular verification architectures in decentralized systems. A key debate involves ensuring the security and integrity of these delegated verification steps. Critical future developments will focus on designing recursive proof systems that natively support efficient verifier-to-verifier operations. This model could significantly impact the scalability of rollups and other layer-two solutions.