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Proofs of proofs: incremental verifiability from recursion and accumulation

Talkat 4th ZKProof Workshop (Home Edition) · 2021-04-19..04-29· [security]
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Builds incremental verifiability for t‑step computations by three concrete paradigms: starting from SNARKs with subliminal verification (needs a strong extractor/knowledge assumption so the recursive verifier fits inside the proved circuit), moving to atomic accumulation where an accumulator stays constant size and a cheap per‑step verifier plus one expensive decider yields O(t) cheap checks and one final heavy check, and finally split accumulation that accepts large non‑succinct proofs by reading only small instance parts; preserves zero‑knowledge and post‑quantum security under the stated assumptions and has prototype implementations (ArcWorks) using curve cycles.

AI-written summary · about

  1. 0:00Start
  2. 3:11Incrementally Verifiable Computation
  3. 11:10Instantiate the Weaker Building Blocks from Simpler Tools
  4. 13:08Ivc Prover
  5. 14:52Atomic Accumulation
  6. 19:07Split Accumulation
  7. 21:13Cycles of Elliptic Curves
  8. 21:36Recursion Threshold
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