Crypto mining is a part that makes the new currencies unique. Apart from trading cash for cryptocurrencies on exchange sites, users also have the option to mine it. Nobody can simply produce their own unlimited cryptocurrencies, once it reaches a specified number, no further cryptocurrencies will be added to the system. However, everyone has an equal chance to get their own cryptocurrencies through mining. Interested parties can buy special mining equipment to mine on their own or join a company providing mining pool resources.
The algorithm that cryptocurrencies use is different from one another. They release blocks in various ways. You also have to keep in mind that crypto mining difficulty increases as more blocks are created. The system was made this way to control the cryptocurrency’s production.