In many countries the ISO codes for the more common currencies are so well known publicly that exchange rates published in newspapers or posted in banks use only these to delineate the different currencies, instead of translated currency names or ambiguous currency symbols.
Currency Code are used on airline tickets and international train tickets to remove any ambiguity about the price.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 proposal for formalising a registry of such codes without the issue of collisions or the need for involvement from SIX exists as an IETF standards draft.
|ETH||_||18||Ether||ETH conflicts with ISO 4217 because ET stands for Ethiopia.|
|XBC||_||8||Bitcoin Cash||XBC conflicts with European Unit of Account 9 (E.U.A.-9)|
|XBT(formerly BTC)||-||8||Bitcoin||BTC conflicts with ISO 4217 because BT stands for Bhutan.|