Institutional Secondary Market
Verified issuance, T-REX-compliant settlement, built to Luxembourg AIFMD and MiFID II standards — Luxembourg AIF / CSSF authorisation route in progress; not yet a supervised entity. Built for the next generation of institutional capital — accredited investors, asset managers, and compliant issuers operating across the EU/EEA.
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Settlement rail · status loading
In progress
Luxembourg AIF / CSSF Authorisation
ERC-3643
Token Standard (T-REX)
T+2
Target Settlement Cycle
Platform
Every listed security is issued through ERC-3643 (T-REX) compliant smart contracts with on-chain identity, transfer restrictions, and corporate-action support. Issuer onboarding includes Sumsub KYB and CSSF-aligned due diligence.
T-REX · ERC-3643Settling the cash and security legs of a trade together or not at all, with rollback and replay-safe retries, has so far been demonstrated in sandbox runs only. It is not a live guarantee today. Until it is, a trade becomes final only through one confirmed settlement step, and repeating that step can never settle it twice.
Sandbox evidence onlyBuilt to MiFID II conduct-of-business standards and GDPR data sovereignty. Luxembourg AIF / CSSF authorisation route in progress — CityZeen is not yet a supervised entity. SFDR Article 8 & 9 product compatibility is designed in; EU/EEA passporting follows authorisation.
MiFID II-aligned · GDPR · Authorisation in progressEvery platform event — order, fill, settlement, transfer — is recorded in an ed25519-signed append-only event log. Auditors receive a cryptographically verifiable history without privileged access to the production system.
ed25519 · Append-onlyProcess
01 · Onboard
Apply for membership. KYB and KYC are completed through Sumsub under CSSF-aligned procedures. Accredited investors and authorised entities are activated for trading after suitability review.
02 · Trade
Browse verified issuances and place orders inside the on-chain compliance perimeter. Transfer restrictions, jurisdiction limits, and investor-class rules are enforced at the protocol level before execution.
03 · Settle
A trade becomes final only through one confirmed settlement step, and repeating that step can never settle it twice. Settling the cash and security legs together or not at all has so far been demonstrated in sandbox runs only; it is not a live guarantee today. Every settlement is recorded in the hash-chained settlement ledger.