XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

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

Payments & settlement

Apple Pay

Apple Pay is a mobile payment service by Apple that allows users to make payments in person, in iOS apps, and on the web. Supported on iPhone, Apple Watch, iPad, Mac, and Vision Pro, Apple Pay digitizes and can replace a credit or debit card chip and PIN transaction at a contactless-capable point-of-sale terminal. It does not require Apple Pay–specific contactless payment terminals; it c

Trading basics

Éric Cantona bank run call (2010)

The Éric Cantona bank run call of 7 December 2010 was initiated by Yann Sarfati and Arnaud Varnier, quickly joined by Géraldine Feuillien, following their viewing of an interview on the Presse-Océan website with former French football player Éric Cantona, who spoke on 6 October 2010 about “How to make a Revolution”. Relayed in France and in several other countries by groups of internet u

Trading basics

More Card

More Card is a contactless smart card for paying transportation fares in public transport systems in India. Tipped as a nationwide interoperable transport card, the card aims to be a single point of transaction, applicable in state buses, Metro and even parking. The card was launched in 2012 in Delhi, initially acting as a common card for the Delhi Metro and its feeder buses.

Fiat currencies

Tally stick

A tally stick (or simply a tally) was an ancient memory aid used to record and document numbers, quantities, and messages. Tally sticks first appear as animal bones carved with notches during the Upper Palaeolithic; a notable example is the Ishango Bone. Historical reference is made by Pliny the Elder (AD 23–79) about the best wood to use for tallies, and by Marco Polo (1254–1324) who me