How things actually work, city by city

How banking and payments actually work in a city — the regulator to verify a provider against, the local currency, how accounts are addressed, and the rails that move money, each tied to an official source.

How healthy a city is — and by what measure — using the City Health Dashboard's metrics from NYU Langone Health, with the underlying source linked for every number.

Source-backed explainers for a whole digital industry — how it works and how to choose — not tied to one city.