Every state transition lands on one authoritative ledger.

Operational systems stay agile. The DLT carries the immutable record — who, what, when, and the cryptographic proof the entry has not been tampered with.

04Platform servicesCross-cutting

Workflow engineGRC & AI governanceAccess managementIntegration fabricAIPrivate AI · no data leaves client

Application stack feeds the ledger

01Digital channels

InvestorDistributorOperationsComplianceReporting & Oversight

02Experience APIs

JourneysRole viewsActionsAPIs

03Application services

Core SMART-TA

InvestorsFundsOrdersNAVPaymentsDistributions

DeFi TA services

KYC claimsWallet linkingTokenised ordersTransfer validation

SMART-Connect Distribution platform

SWIFT MT/MXClearstream (Vestima)Euroclear (FundSettle)CalastoneEuroclear UK & International (EMX / CREST)DTCC / NSCC native integrationCanadian Fundserv

EVENTS

CQRS write path

Authoritative ledger

05Dual-layer data architecture

Immutability as infrastructure

Operational · mutable

PostgreSQL

OLTP · one schema per microservice — sole owner, independently versioned & migrated

PostgreSQL holds

In-flight trade processing
Workflow & session state
Cached computations · staging
Search indices

ClickHouse

OLAP · analytics & reporting projections, derived from operational + ledger events

Fast read/write · no cross-schema access

◆

ATTEST
BEFORE
COMMIT

Domain event bus
+ pluggable attestation

Immutable · DLT

CeFiCeFi Event LedgerAlways present

System of record · every state change · Hyperledger Besu · QBFT

Each event captures

Whoactor · attestationId
WhateventType · delta
Whentimestamp · blockHeight
ProofdataHash · previousHash

DeFi–CeFi bridge service

DeFiDeFi Token ChainDeFi TA module

Tokenised fund register · ERC-3643 contracts · on-chain audit trail

Source of truth — operational stores reconcile to it

Tamper-evident

Every record hash-linked · re-verify any time

Replayable

Deterministic reconstruction from genesis

Observer nodes

CSSF · FCA · auditors with verified read access

06Deployment & deliveryFlexible Model

YAML cloud manifestsEnterprise Commercial License with Annual MaintenanceClient-deployed infrastructure or SaaSCloud Provider Agnostic