Bitcoin is the major crypto currency started in the year 2009 Its features are attractive to the mankind world wide Bitcoins network systems and the incorporation of the block chin technology ensures its safety and security  which attracts the global investors.Bitcoin introduces a modern economical systems linked the modern technology which is as against the current economical concepts which we follow at present.Its main features such as decentralized one ,maintains the anonymity and its all transactions are recorded in an electronic ledger with block chain technology..Bitcoins such safer systems are attracted by the global community.