United States dollar · Also called: greenback · buck
United States dollar is one of the units this atlas treats as a full monetary system — not only a ticker symbol. Its story runs from Philadelphia in 1792 through note design, central-bank practice and the FX role it plays today.
- History anchor — 1792 · Philadelphia
- Symbol — $
- Design — Cash design is public art and anti-counterfeiting engineering at once. United States dollar notes and coins carry portraits, landscapes and machine-readable features.
Frequently asked questions
What currency uses the ISO code USD?
United States dollar (USD).
What is USD?
The world's primary reserve and invoicing currency since Bretton Woods unravelled.
Does USD show a live exchange rate here?
No. This ISO landing is a static map to the atlas entry for United States dollar. There is no ticker, bid, or booking rate on Tool-Lifes /money.
When was United States dollar established in this atlas?
United States dollar is anchored to 1792 (Philadelphia) in the history chapter — a founding or reform year, not today’s board price.