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Paper II engineers the System Connector Engine in the established multi-rail architecture, suggesting enhancements for fintech integration.
Paper I established the foundational three-tiered architecture of the multi-rail RWA stack: the Velocity Layer (XRPL, Stellar, Shibarium), the Trust Layer (MPC plus state-vector anchoring), and the Compliance/Identity Layer (ZK proofs plus Travel Rule). Within that architecture, the System Connector Engine (SCE) appeared as a single labeled box — the central middleware sitting between the Compliance/Identity Layer and the three settlement rails. Paper I named it. Paper II engineers it.
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Leon Calvin II long (2026) studied this question.
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