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On-chain vs Off-chain Boundaries for RWA Compliance

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In regulated tokenization, the hardest design decision is not the token standard.

It is drawing a hard line: what must live on-chain, and what must never leave the off-chain compliance stack.

1. Why this boundary decides whether your RWA is real

Real-world asset (RWA) programs fail in two opposite ways:

Failure A — Everything on-chain

Teams put PII, documents, workflow state, and “KYC JSON” into contract storage or events “for transparency.”

  • GDPR conflict: public, replicated, hard-to-erase personal data
  • Irreversible disclosure: you cannot recall a mainnet event
  • Wrong trust model: the ledger becomes a CRM with worse UX and worse legal posture

Failure B — Everything off-chain

The “token” is a row in Postgres with a wallet UI. Transfer rules live in PDFs and if-statements inside a private API.

  • No cryptographic enforcement: a compromised API can mint/move value
  • Weak audit story:“trust our...

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