E-moneys are digital currencies that are used for making online transactions. They have become a popular way to pay for goods and services online due to their convenience, security, and speed of transactions. There are several synonyms for the term "e-moneys," including digital currencies, electronic cash, virtual currencies, and cryptocurrencies. Digital currencies are a broad term that encompasses all digital forms of money, while electronic cash refers specifically to digital cash used for online transactions. Virtual currencies are non-tangible currencies that exist only in a digital format, while cryptocurrencies are digital currencies that use encryption technology to secure transactions and control the creation of new units of currency.