Omnibus Account
A pooled account that combines funds from multiple customers while tracking each customer’s balance separately off-ledger. Common among payment processors, brokers, and custodians, it simplifies settlement and cash management.
Why it Matters
Omnibus accounts are critical for operational efficiency in financial services. By pooling funds, companies reduce the number of bank accounts and transactions needed, lowering costs and simplifying reconciliation. However, they require robust internal ledgers to maintain accurate customer balances and ensure regulatory compliance, as external parties only see the aggregate balance.

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Introducing assets coloring support in Numscript to tackle one of the hardest, fundamental core ledgering problems: Hidden funds lineage.

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What Is BaaS? Banking-as-a-Service for Engineering Teams
Banking‑as‑a‑Service (BaaS) gives engineering teams access to regulated banking rails via APIs. Learn how the BaaS model works, how it differs from embedded finance/open banking, and what infrastructure you still need to build (ledger, reconciliation, idempotency, state management).

What Is a Subledger and When Do You Need One?
A subledger captures transaction-level postings behind your general ledger—enabling per-user balances, dispute resolution, and audit-grade traceability in fintech.

An Engineering Buying Framework for a Payment Processor
An engineering framework for evaluating payment processors on idempotency, failover, ledger, reconciliation, and compliance.

What Engineers Need to Know About Real-Time Payments and FedNow
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How to Know When You Need Ledger as a Service
Learn what Ledger as a Service is, where it fits in your stack, its capabilities, and when you need one.