How does cryptocurrency work?
How does cryptocurrency work? Cryptocurrencies are supported by a technology known as blockchain , which maintains a tamper-resistant record of transactions and keeps track of who owns what. The use of blockchains addressed a problem faced by previous efforts to create purely digital currencies: preventing people from making copies of their holdings and attempting to spend it twice [1] . Individual units of cryptocurrencies can be referred to as coins or tokens, depending on how they are used. Some are intended to be units of exchange for goods and services, others are stores of value, and some can be used to participate in specific software programs such as games and financial products. How are cryptocurrencies created? One common way cryptocurrencies are created is through a process known as mining, which is used by Bitcoin. Bitcoin mining can be an energy-intensive process in which computers solve complex puzzles in order to verify the authenticity of transactions on the netwo...