Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
American Express
American Express Company (Amex) is an American bank holding company and multinational financial services corporation that specializes in payment cards. It is headquartered at 200 Vesey Street, also known as American Express Tower, in the Battery Park City neighborhood of Lower Manhattan; in 2026, the company announced that it would develop and be the sole occupant of the new 2 World Trad
Payments & settlementCharge card
A charge card is a type of credit card that enables the cardholder to make purchases which are paid for by the card issuer, to whom the cardholder becomes indebted. The cardholder is obliged to repay the debt to the card issuer in full by the due date, usually on a monthly basis, or be subject to late fees and restrictions on further card use. Charge cards are distinct from traditional c