Glossary
Every term between trade and settlement.
A DK is a counterparty's declaration that it cannot recognize or confirm an alleged trade — a data discrepancy that, unresolved before the affirmation deadline, significantly raises settlement fail risk.
e settlement system operated by the Depository Trust Company (DTC) that executes final book-entry delivery-versus-payment transfers of US securities after NSCC clearing, with end-of-day cash finality through the Federal Reserve.
A DTC service enabling the conversion of book-entry securities into on-chain tokenized entitlements for T+0 settlement and automated collateral management under a 2025 SEC No-Action Letter.
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.
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 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.
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.
An open 12-character financial instrument identifier used to normalize securities, listings, share classes, and vendor symbols across systems.
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.