XPAY KNOWLEDGE
Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Fiat currencies
List of British banknotes and coins
List of British banknotes and coins, with commonly used terms.
Trading basicsPattern coin
A pattern coin is a coin which has not been approved for release but is produced to evaluate a proposed coin design. They are often off-metal strike (using metals of lower value to test out the dies), to proof standard or piedforts. Many coin collectors collect and study pattern coins because of their historical importance. Many of the world's most valuable coins are pattern coins; nearl