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Cryptocurrency is a digital currency that works as a medium of exchange through a computer network without a central authority. Learn about the origin, evolution, and classification of cryptocurrencies, such as Bitcoin, Ethereum, and others.
A reserve currency is a foreign currency that is held by central banks or other monetary authorities as part of their foreign exchange reserves. The US dollar is the dominant reserve currency in the world, followed by the euro, the Japanese yen and the pound sterling.
The U.S. Dollar Index (DXY) is a measure of the value of the U.S. dollar relative to a basket of foreign currencies. It is used as an indicator of the strength of the U.S. dollar and its impact on global trade and finance.
Learn about the history, features, and uses of the U.S. dollar, the official currency of the United States and several other countries. Find out how the dollar is linked to gold, pegged to other currencies, and used in international transactions.
Learn how the United States dollar was established in 1792 as a local version of the Spanish dollar, and how it evolved from a bimetallic to a gold standard and then to a fiat currency. Explore the origins, design, and role of the U.S. dollar in international trade and the Federal Reserve System.
Learn about the origins and development of bitcoin, the first decentralized cryptocurrency, from its invention by Satoshi Nakamoto in 2008 to its current status. The web page does not mention the oldest bitcoin forum, but it has a link to the bitcoin forum where Nakamoto was active.
Learn about the origin and evolution of the dollar sign ($), a currency symbol used for various currencies around the world. Find out how it relates to the Spanish peso, the Pillars of Hercules, the German thaler, and other possible sources.
Learn about the history, features and usage of the Canadian dollar, the currency of Canada and an official user of St. Pierre and Miquelon. The Canadian dollar is the sixth-most held reserve currency in the world and is divided into 100 cents.