Glossary

Every term between trade and settlement.

Settlement Finality Directive (SFD)

EU law making transfer orders in designated settlement systems legally final and irrevocable, protecting the financial system from participant insolvency contagion.

Settlement Finality DLT Blockchain

The point at which an on-chain transaction becomes irrevocable — a property of the consensus mechanism rather than a declaration by any central infrastructure operator.

Settlement Finality Legal Certainty

The statutory guarantee that a completed securities settlement is irrevocable and immune to insolvency court reversal — a protection that depends on designated system status, a precisely logged entry timestamp, and multi-jurisdictional legal alignment.

Settlement Finality Securities

The irrevocable transfer of legal ownership in a securities transaction — achieved through deterministic, conditional, or probabilistic finality depending on the settlement rail.

Settlement Instruction Automation

Automatically generating and transmitting settlement instructions to custodians and CSDs using pre-loaded SSI data — replacing manual entry, enabling STP, and making T+1 compliance operationally viable.

Stablecoin Capital Markets Infrastructure

The deployment of regulated, reserve-backed stablecoins as the continuous wholesale cash settlement layer for institutional capital markets — enabling 24/7 Delivery-versus-Payment and Payment-versus-Payment workflows.

Stablecoin Compliance: Broker-Dealer

The three-control-point AML framework for broker-dealer stablecoin operations — pre-broadcast screening, attributed value transfer via IVMS101, and post-settlement change-of-risk monitoring — built on the principle of attributed transparency.

Stablecoin Interoperability Standards (NIST IR 8408)

The NIST Interagency Report defining the federal technical taxonomy of stablecoin architectures — classifying reserve mechanisms, smart contract properties, and security vulnerabilities.

Stablecoin Run Risk vs Money Market Fund

The mechanics by which stablecoin peg pressure and money market fund redemption shocks propagate into systemic stress — compared across reserve structure, run trigger, and regulatory response.