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Che-Cheng Chang

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Open access Oct 2026

Tamper-Evident Provenance for Secure IoT Edge Actuation with Signature-Independent On-Chain Commitments

IoT edge actuation requires records that remain auditable after an incident. We present a crypto-agile provenance framework that keeps decision records and signatures off-chain while a Sui Move contract stores a 32-byte SHA-256 anchor, bounded metadata, and a one-byte scheme identifier. Public keys and their ledger-tim...

Kuo-Yu Tsai, Yu-Yun Hsieh, Che-Cheng Chang · 0 citations

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