In 2018, Gartner predicted that 20% of large companies will use cryptocurrencies for payments, savings, or security by 2024. Cryptocurrencies, digital currencies that use cryptography for security, are gaining in popularity and becoming more mainstream. It is crucial for business owners and individuals to recognise what cryptocurrency is, how it functions, and how it compares to the conventional fiat currency, and find out whether it will replace fiat money or not.