Cryptocurrency is decentralized digital money, based on Block chain technology. Many companies have issued their own currencies, often called tokens, and these can be traded specifically for the goods or service that the company provides. There is most familiar version, Bitcoin and Ethereum, but there are more than 5,000 different cryptocurrencies in circulation in digital world and available to trade on different international Crypto exchanges.
You can use crypto to buy regular goods and services, although many people invest in cryptocurrencies as they would in other assets, like stocks or precious metals. While cryptocurrency is a novel and exciting asset class, purchasing it can be risky as you must take on a fair amount of research to fully understand how each system works.