Cryptocurrencies are digital financial assets that are made to act as a medium of exchange. They use the science of cryptography to secure transactions, make global currencies, get rid of government control and exchange rate problems, and control the creation of more units of the currency. Cryptocurrencies were created as a disruptive financial technology (fintech) that would make global transactions easier, faster, and safer while putting control directly in the hands of the parties involved. This could also put an end to banks and services that move money. What is the purpose behind Cryptocurrency? Digital currencies claim to make it safe, fast, and unaffected by fees, exchange rates, or government rules to store, spend, and send "digital money." But financial institutions, currencies, and transactions are not the only things cryptocurrency and the technology behind it are used for. Some of the first things that blockchain technology was made for were to secure data, protec...