ISO 4217 a subdivision of pound sterling, the currency for the United Kingdom. Recently, cryptocurrencies have unofficially used ISO codes on various cryptocurrency exchanges, for instance LTC for Litecoin, NMC for Namecoin and XRP for Ripple. SIX Interbank Clearing (a Maintenance Agency of ISO) is currently studying the impact and role of cryptocurrencies and other independent currencies on ISO 4217. A number of currencies were official ISO 4217 currency codes and currency names until their replacement by the euro or other currencies. The table below shows the ISO currency codes of former currencies and their common names (which do not always match
International Classification for Standards number to the notation of the "sub-group" being subdivided. However, instead of a period, new notations use a hyphen as a separator. For example: International Classification for Standards International Classification for Standards (ICS) is an international classification system for technical standards. It is designed to cover every economic sector and virtually every activity of the humankind where technical standards may be used. Developed and maintained by the International Organization for Standardization, the ICS is intended to be a continuous work in progress and is updated when necessary. The latest edition of the ICS can be downloaded free of charge from