Bitcoin is the first cryptocurrency which has mass adoption and so there is high potential for this cryptocurrency to grow which can improve the world economy, another use of bitcoin is trading can be done without revealing the identity of a person and anyone involved with internet can start up with bitcoin network technology. The bitcoin network has its own protocol of 21 million bitcoins which can be created by miners but these coins can be divided into smaller units, the smallest unit of bitcoin is known as "satoshi ". Bitcoin is a revolutionary technology as it can transfer funds immediately and safely without a central authority this digitized form of currency has the potential to expand the global commerce and transform businesses as bitcoin can be transferred easily with low transaction fees.