On the Power of Polynomial Preprocessing: Proving Computations in Sublinear Time, and More

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Cryptographic proof systems enable a verifier to be convinced of a computation's correctness without re-executing it; common efficiency requirements include both succinct proofs and fast verification. In this work we put forth the general study of cryptographic proof systems with \textit{sublinear} proving time (after a preprocessing). Prior work has achieved sublinear proving only for limited computational settings (e.g., vector commitments and lookup arguments), relying on specific assumpt