bitcoin — Hive

bitcoin is a cryptocurrency and worldwide payment system . the system is working without the central bank
and the system was desinged to work as peer to peer network.
bitcoin was invented by an unknown person or group of people and released as open source software in 2009.

               bitcoins are created  to give reward for the process of mining . they can be exchanged for other products 
                               
                                                           HISTORY OF BITCOIN

                           ![BTC_number_of_transactions_per_month.png](https://cdn.steemitimages.com/DQmUt8wPCToiLdAqW9bGjDtgdjCjfeHu8fLMUvhFQoCMcBU/BTC_number_of_transactions_per_month.png)