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September 2026

The architecture of modern alpha

Balancing promise and pragmatism with time-series and transaction foundation models in payments globally
Download the paper

Payment leaders have moved past basic digital infrastructure and on to autonomous payments and real-time transaction intelligence, running on structured ISO 20022 messaging.

 

Time-series and transaction foundation models (TFMs) could do for payments what large language models did for text: stronger prediction, paired with real demands around explainability, latency and compliance with frameworks such as the EU AI Act and DORA.

 

This paper shows what it takes to move TFMs from research to production, grounded in deployments at RBC and Revolut.

We have arrived at a critical juncture where we now have profitable AI because we have useful AI. Compute is revenue.
Jensen Huang
Founder and CEO, NVIDIA

What's inside the paper

 

  • Deconstructing NVIDIA TFM: from static rules to neural payment flows.
  • The strategic case: promise versus reality.
  • Institutional AI pioneers: deep dives into RBC and Revolut.
  • Value creation: data monetization and business outcomes.
  • How Thoughtworks can help: from AI hype to production alpha.
  • Sibos action plan: a four-step roadmap.

 

No form fill required.

 

The proof points

32ms

inference latency at 10,000 transactions per second in our reference TFM pipeline.

65%

more caught fraud cases for Revolut's PRAGMA model, with 17% higher precision.

42%

fewer false-positive fraud alerts, and over 80% less manual feature engineering.

Meet the authors

Nathan Hilt

Financial Services and Payments Leader, Thoughtworks

Rav Hayer

Head of UK and Ireland; Head of BFSI, EMEA, Thoughtworks

Ready to move from AI hype to production alpha?

Talk to Rav Hayer or Nathan Hilt about your payment data architecture, or find us at the Thoughtworks booth at Sibos.