Glossary

Every term between trade and settlement.

Dual-Rail Settlement Architecture

Dual-rail settlement architecture runs traditional Fedwire and digital USDC settlement in parallel under a single system of record, unified compliance overlay, and automated rail routing.

ESMA DLT Pilot Regime

The EU regulatory sandbox under Regulation (EU) 2022/858 that authorizes DLT-based market infrastructure under conditional exemptions from MiFID II and CSDR — three operators live as of mid-2025.

Executive Order 14178

Executive Order 14178 is the January 2025 presidential directive that regulatory framework under which the SAB 121-to-SAB 122 transition, the SEC Crypto Task Force, and the GENIUS Act stablecoin framework all operate.

Failed Trade Settlement

A trade that does not settle on its contractual settlement date because one party cannot deliver the required securities or cash, triggering penalties and buy-in procedures.

Financial Transaction Reconciliation

The three-way match between sub-ledger, general ledger, and external statement that validates balance sheet integrity — with every break tracked as gross exposure for Rule 17a-5 and Rule 15c3-1 compliance.

FINRA Supervision Technology

FINRA supervision technology is the software infrastructure broker-dealers use to implement, enforce, and document the supervisory controls required under FINRA Rules 3110 and 3120.

FIX Engine Connectivity for Broker-Dealers

The software layer managing FIX session state, message sequencing, heartbeats, and failover for broker-dealers connecting to brokers, venues, and ECNs.

FIX Protocol in Securities Trading

The open messaging standard governing order routing, execution reporting, and allocation between broker-dealers, buy-side firms, and trading venues — upstream of SWIFT.

FIX Protocol Trade Capture

Open financial messaging standard where MsgType 8 Execution Reports trigger real-time trade capture and settlement pipeline processing for broker-dealers.