Settlement Substrate
Definition
The underlying ledger, platform, or programmable infrastructure on which tokenized claims are recorded, conveyed, and settled. The Settlement Substrate is not the issuer, the custodian, or the participants; it is the operating layer beneath them, whose properties — its consensus rules, its governance, its availability, its programmability — condition every transaction the system performs.
Notes
Substrates differ structurally. A tokenized settlement may operate on a permissioned ledger maintained by a known operator under disclosed governance, on a permissionless chain whose validators are pseudonymous and whose consensus is produced by economic incentives, on a unified-ledger platform of the kind contemplated by the BIS,1 or on a regulated wholesale settlement network of the kind explored by the New York Fed in the Regulated Liability Network proof of concept.2 Each substrate carries different finality properties, different governance assumptions, and different recovery options, and each composes a different system around the claims it records.
The substrate is not interchangeable with the system. A single substrate may host many distinct settlement systems; a single settlement system may operate across multiple substrates. The properties of the substrate are inputs to the assessment of the system, not substitutes for it.
See also
Trust Fabric · Tokenized Value Settlement · Chain-Level Dependency · Cross-Chain Settlement
References
- ↩ Bank for International Settlements, Annual Economic Report 2023 — Blueprint for the future monetary system: improving the old, enabling the new (Chapter III, the unified ledger). bis.org
- ↩ Federal Reserve Bank of New York Innovation Center, Facilitating Wholesale Digital Asset Settlement — Regulated Liability Network Proof of Concept. newyorkfed.org