As its name suggests, you can use cryptocurrency to make purchases. But your purchasing power is limited; crypto isn’t yet widely accepted among retailers and other businesses.
An obstacle to large-scale bitcoin mining is finding enough cheap energy to run the huge, power-gobbling computer arrays that create and transact cryptocurrency. One mining operation in central New York came up with a novel solution that has alarmed environmentalists.

Unlike traditional payment processors, such as PayPal and credit cards, most cryptocurrencies have no built-in refund or chargeback functions, although some newer cryptocurrencies have rudimentary refund features.
Since crypto is a relatively new industry compared with others, legal clarity does not yet exist in terms of requirements for all areas of the space. Part of such clarity includes asset classification. Bitcoin and Ether are viewed as commodities, although categorization for numerous other assets remains unclear.