Zero-Knowledge Proof-Carrying Data from Accumulation Schemes

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Proof-carrying data (PCD) is a powerful cryptographic primitive for ensuring computational integrity in distributed settings. State-of-the-art PCD constructions based on accumulation schemes achieve practical prover efficiency and support a wide range of applications. However, realizing zero-knowledge for accumulation-based PCD remains challenging, particularly for high-degree relations. Existing solutions often incur substantial overhead due to the need for zero-knowledge in both the underlying