Dispatches from the frontiers of finance

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Latest stories

Fractional Reserve Banking onchain

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Stablecoins are, in essence, the first large-scale experiment in narrow banking. Every USDC or USDT is (or supposed to be) fully backed by reserves – cash or short-term Treasuries – sitting safely off-chain. This architecture is what makes these tokens stable, but it also sterilizes capital: every dollar deposited creates no new credit, no new economic activity. In contrast, the...

Stablecoins are rails, not tokens

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After several years publishing as Fintech Ruminations, I am introducing a new name: Lombard Notes. The change reflects a broader focus, extending beyond fintech to the wider architecture of financial systems — from historical innovations to emerging digital markets. The content remains consistent in spirit, with only the name evolving. A few months ago, in my post Stablecoins 2.0, I suggested...

The future of credit underwriting

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The process of underwriting a consumer or a small business has always been fascinating for me. I’ve always found it stimulating to determine someone’s creditworthiness using a more or less complicated formula. Money Changers by Salomon Koninck That’s why, over the last decade, I’ve consistently gravitated toward lending and credit—across different companies, geographies, and markets. In this...

Fintech applications for AI Agents

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AI Agents are set to redefine fintech by automating workflows, decision-making, and financial interactions.

This post explores how financial applications must evolve to accommodate AI Agents, focusing on agentic workflows, API optimization, human oversight, and authentication