What is the purpose of Bitcoin exchanges?

A bitcoin exchange acts as the intermediary between a seller and a buyer обмен биткоин на приват

 or, to use cryptocurrency language, between a "maker" and a "taker." A bitcoin exchange works like a brokerage, and you can deposit money via bank transfer, wire, and other common means of deposit. There are many bitcoin exchange sites. By using these kinds of sites you can exchange your bitcoin.