Technology. Money. Explained.

Clear explanations of AI, payments, digital assets, and the technology they rely on.

The longread

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A hand above a payment approval switch, connected through a green gate beside an invoice.

AI agents · Sep 26

Before an AI Agent Makes a Payment: Permissions, Limits and Approval

An agent can prepare a payment. Separate controls must decide whether it is allowed to send it.

Explore the systems

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Diagram of an invoice passed through a JSON Schema to produce two schema-valid responses, one that matches the source and one with a wrong total and an invented rate

Structured outputs · Oct 20

LLM Structured Outputs: JSON Schema Validity Is Not Accuracy

How OpenAI and Anthropic enforce a JSON Schema, and the checks financial data extraction still needs.

Comparison of the Federal Reserve discount window and standing repo operations: who borrows, what collateral is pledged and the two daily operation times, under a band showing both rates at 4.0 percent in the September 16, 2026 implementation note

Federal Reserve · Oct 20

Discount Window vs Standing Repo Facility: The Fed's Two Backstops

Who can borrow, what they pledge and how each is priced: the Fed's discount window and standing repo side by side.

Diagram of a backend server sending three kinds of payment API credentials: an API key, an OAuth 2.0 bearer token and a mutual TLS client certificate, each paired with the secret it requires you to protect

Payment APIs · Oct 20

Payment API Authentication: API Keys, OAuth 2.0 and Mutual TLS

API keys, OAuth 2.0 tokens and mutual TLS compared across Stripe, Adyen, PayPal, Square and Visa.

Follow the connections

A payment is more than a button. It depends on permissions, institutions, software, and the route to a recipient. NY Presswire follows those connections across AI, Fintech, Crypto, and Tech.

Our explainers start with a concrete question and follow it through primary sources. Analysis examines the choices behind a system, while longreads give complex subjects room for the details that change a decision. Read the sources, follow the related guides, and send a question when something needs a closer look.

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