WaveCommitments: Private and Verifiable Speech-Agent Marketplaces

Computer Science > Computation and Language

[Submitted on 16 Jul 2026]

Title:WaveCommitments: Private and Verifiable Speech-Agent Marketplaces

View PDF HTML (experimental)Abstract:Modern speech systems are evolving into ecosystems of autonomous speech agents that speak together, negotiate, and trade assets such as embeddings, spectrograms, or raw data. In such markets, sellers cannot reveal assets for evaluation due to privacy constraints, and buyers cannot price what they cannot test. Thus, we open-source WaveCommitments, an end-to-end design that pairs confidential asset valuation via Data Shapley inside a trusted execution environment with multivariate polynomial commitments. It enables selective openings and tamper-evident provenance to prove that a delivered asset matches the valuation while hiding everything else. Our extensive experiments across three known datasets and various tasks with state-of-the-art encoders, including Whisper, reveal that we speed up the best benchmarks by up to 20x while reducing their proof sizes by up to 39x. We also systematically study how a speaker's value shifts across tasks and encoders, revealing agent-level market prices.

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