How is digital currency used to make online transactions?

Digital currency can be used to make online transactions through the use of a digital wallet. This wallet holds the digital currency, allowing users to send and receive cryptocurrency online. Once a user has logged into their wallet, they can use it to send or receive digital currency. They can then use the currency to purchase items online, pay for services, or transfer money to another wallet. The transaction is completed quickly, securely, and with low fees.