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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Fiat currencies

1860s replacement of the British copper coinage

Beginning in 1860 and continuing for several years, Britain replaced its copper coinage with bronze pieces. The copper coins (principally the penny, halfpenny and farthing) had been struck since 1797 in various sizes, all of which were seen as too large. Over time the copper metal wore or oxidised, or had advertising punched into it, and there were also counterfeits and foreign coins in

Trading basics

Ascom B8050 Quickfare

Ascom B8050, usually known by the name QuickFare, is an early example of a passenger-operated railway ticket issuing system, consisting of a series of broadly identical machines installed at British railway stations from 1989 onwards. The machines allow passengers to buy the most popular types of ticket themselves, without having to go to a booking office, and are therefore useful at un

Trading basics

Edmondson railway ticket

The Edmondson railway ticket was a system for recording the payment of railway fares and accounting for the revenue raised, introduced in the 1840s. It is named after its inventor, Thomas Edmondson, a trained cabinet maker, who became a station master on the Newcastle and Carlisle Railway in England.

Trading basics

Network Railcard

The Network Railcard is a discount card introduced in 1986 by British Rail, upon the creation of their Network SouthEast sector in parts of Southern England.

Trading basics

Service life

A product's service life is its period of use in service. Several related terms describe more precisely a product's life, from the point of manufacture, storage, and distribution, and eventual use.

Trading basics

The Key (smartcard)

The Key is a contactless ITSO-compatible smartcard developed by the Go-Ahead Group used on buses, trains and other forms of public transport across various areas of the United Kingdom.