Xian-Jun Chen

Regulatory-Gated Zero-Trust Access Control for Cross-Border Data Sharing with Policy-Bound Blockchain Arbitration

Cross-border data access requires regulatory eligibility and current security authorization. We developed a four-state regulatory gate and permissioned-ledger arbitration prototype that binds a signed PERMIT declaration, evaluator attestations, and active policies to one request. A frozen 24-case hold-out agreed with a...