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Strategy

The design, architecture, and operating decisions behind Doric Stack products as they move from prototype to public release.

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Start with the newest decision note, then follow the topic lanes when you need payments, AI systems, or product architecture depth.

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Public claims stay tied to released work or cited material.

Strategy

BRICS payment rails are real, and they are at pilot scale

Five central banks are testing a settlement platform that does not touch SWIFT or the dollar. mBridge has been live since 2022, reached minimum viable product in mid-2024, and has moved about 55 billion dollars across roughly 4,000 transactions. SWIFT moves about 53 million messages on an average day. These are parallel rails for specific corridors, and infrastructure moves at infrastructure speed, not headline speed.

Lead essay

Start here when you want the current Doric argument instead of a chronological archive.

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01 / Payments

Commerce architecture

Merchant-of-record decisions, checkout ownership, billing operations, settlement, reconciliation, and risk boundaries.

02 / AI tooling

Practical AI systems

Agentic commerce, multi-agent orchestration, model fine-tuning, runtime governance, and production deployment.

03 / Build notes

From idea to system

The design, architecture, and operating decisions behind Doric Stack products as they move from prototype to public release.

Latest Notes

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Apr 28, 2026 By Navin Agrawal Strategy 3 min read

Multi-rail is baseline now. The operational tax is the work

The multi-rail debate is over - most US banks enabling instant payments now run both RTP and FedNow. The cost moved from the strategy deck to the operations floor, where exception handling becomes a decision tree, reconciliation becomes real-time position-keeping across two liquidity models, and routing is a per-transaction decision in milliseconds.

Mar 2, 2026 By Navin Agrawal Strategy 2 min read

The operating model kills payment modernization, not the tech

A bank buys a modern payment platform and keeps the 2019 team structure, the same escalation matrix, the same three-person on-call rotation. The platform ships daily. The governance model says 90 days. Most modernization failures are operating-model failures, and the org chart defeats the architecture every time.

Feb 2, 2026 By Navin Agrawal Strategy 2 min read

Wire investigations become structured workflows

A wire investigation is the moment confidence breaks - the payment has moved and the clock is running. The Fedwire Funds Service changes planned for November 2026 turn investigation messages into structured workflows and add a Create Payment Return feature. Treat it as a rail feature, not a back-office patch.