A question institutional teams ask: why not just run a compliance layer over an existing settlement chain?

On a chain built to settle first, settlement is the state transition; permission would have to be built into the definition of a valid transaction, not added after it. You cannot retrofit that.

The new post works through the architecture, and through the two-hander it depends on: LTIN issues the identity, Zilliqa runs the check beside it. https://blog.zilliqa.com/mediation-defined/