Geldersatz
Geldersatz, literally meaning "money substitute," is a term used in economics and law to describe instruments or assets that can fulfill the functions of money—medium of exchange, unit of account, and store of value—without being the official currency issued by a central authority. Geldersatz arises when cash is scarce, when institutions offer alternative means of payment, or when new technologies substitute for coins and banknotes.
Common forms include bank deposits and electronic money (e-money), checks, payment cards, money orders, traveler’s checks,
Legal status varies by jurisdiction. Geldersatz is usually not legal tender unless specifically legislated; acceptance is
Economically, Geldersatz facilitates transactions, enhances liquidity, and enables remote or card-based payments. However, it introduces risks
History shows Geldersatz used during coin shortages, in company towns with scrip, or in wartime economies. See