E-money is a term used to describe any form of electronic payment or digital currency. Synonyms for e-money include e-currency, digital cash, electronic cash, electronic payment, digital wallet, and virtual currency. E-currency and digital cash refer specifically to electronic forms of currency that can be used for online transactions. Electronic payment and digital wallet are broader terms that refer to any type of electronic transaction, including payments made through digital wallets like PayPal or Venmo. Virtual currency is a term that is often used to describe digital currencies like Bitcoin or Ethereum that are not backed by any physical commodity. Whatever term is used, e-money has become an increasingly popular way to make transactions quickly and securely in the digital age.