Русско-англо-русский юридический словарь

In the forex market, currency unit prices are quoted as currency pairs. The base currency – also called the transaction currency - is the first currency appearing in a currency pair quotation, followed by the second part of the quotation, called the quote currency or the counter currency. (Investopedia)

In the forex market, currency unit prices are quoted as currency pairs. The base currency – also called the transaction currency - is the first currency appearing in a currency pair quotation, followed by the second part of the quotation, called the quote currency or the counter currency. (Investopedia)

A counter currency is the second or reference currency in a currency pair. (Investopedia)