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Sponsored Design Multi-Agent AI Systems Using MCP and A2A: Engineer your own Pyt Design Multi-Agent AI Systems Using MCP and A2A: Engineer your own Pyt

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Yonghai Yu

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Conference Jul 2026

Design and Implementation of a Privacy-Preserving Revocable Credential System Based on Blockchain Technology

Existing blockchain credential systems still face two coupled problems: transparent on-chain data may disclose holder privacy, while immutable records make invalid credentials difficult to revoke. This paper implements a privacy-preserving revocable credential system in an EVM-compatible simulated blockchain environmen...

Yong-Hai Yu · 0 citations

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