Financial & Typographic Glossary
Essential definitions and technical concepts across numismatics, international banking standards, glyph design, and macroeconomic currency regimes.
ISO 4217
The international standard published by the International Organization for Standardization (ISO) defining three-letter alpha codes and three-digit numeric codes for currencies.
Fiat Currency
Government-issued legal tender not backed by a physical commodity (such as gold or silver), but by the stability and trust in the issuing government.
Minor Unit
The fractional division of a currency unit, such as cents (1/100 USD), pence (1/100 GBP), or paise (1/100 INR).
Cifrão ($)
A historical currency symbol similar to the dollar sign but with two vertical strokes, historically used as a decimal separator in Portuguese-speaking territories.
Seigniorage
The financial profit made by a sovereign government from the issuance of currency, calculated as the difference between the face value of base money and its physical production cost.
Pegged Currency (Fixed Exchange Rate)
A currency system where a nation's central bank fixes its currency rate to that of another major currency (often USD or EUR) or a basket of currencies.