XPAY KNOWLEDGE
Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Trading basics
Corn Exchange, London
The Corn Exchange was a commercial building in Mark Lane, London, England. The original structure dated from 1747, but the exchange later amalgamated with a rival exchange and was rebuilt several times before finally closing in 1987.
Payments & settlementPoint of sale
The point of sale (POS), or point of purchase (POP), is the time and place at which a retail transaction is completed. At the point of sale, the merchant calculates the amount owed by the customer, indicates that amount, may prepare an invoice for the customer (which may be a cash register printout), and indicates the options for the customer to make payment. It is also the point at wh