Bitcion is a world worldwide cryptocurrency and digital payment system called the first decentralized digital currency,and because it is accepted by vendors and merchants as payment and also used for investment Bitcoin is been regarded as money
Yes bitcoin is the first digital currency, introduced though out the world, Bitcoin is in fact created as currency, specially for online purposes, but in future we can expect that bitcoin will also be use in offline shops. In fact in modern time the use of online currency is increasing from time to time. I am sure that very soon bitcoin will be the most popular currency of the world and will be use for everything for which we are using fiat currency in present time.