Currency pair a dot or a dash. A widely traded currency pair is the relation of the euro against the US dollar, designated as EUR/USD. The quotation "EUR/USD 1.2500" means that one euro is exchanged for 1.2500 US dollars. Here, EUR is the base currency and USD is the quote currency(counter currency). This means that 1 Euro can be exchangeable to 1.25 US Dollars. The most traded currency pairs in the world are called the "Majors". They involve the currencies euro, US dollar, Japanese yen, pound sterling, Australian dollar, Canadian dollar, and the Swiss franc. Currency quotations use the abbreviations for currencies
Currency were valid for temporary use in a small regional territory. In the 10th century, the Song dynasty government began to circulate these notes amongst the traders in its monopolized salt industry. The Song government granted several shops the right to issue banknotes, and in the early 12th century the government finally took over these shops to produce state-issued currency. Yet the banknotes issued were still only locally and temporarily valid: it was not until the mid 13th century that a standard and uniform government issue of paper money became an acceptable nationwide currency. The already widespread methods of woodblock printing