Bitcoin Impending Bubble 2017? Buy just $100 worth of bitcoins and get an extra $10 free here: https://goo.gl/HAODVT Bitcoin is a cryptocurrency and a digital payment system[13]:3 invented by an unknown programmer, or a group of programmers, under the name Satoshi Nakamoto.[14] It was released as open-source software in 2009.[15] The system is peer-to-peer, and transactions take place between users directly, without an intermediary.[13]:4 These transactions are verified by network nodes and recorded in a public distributed ledger called the blockchain. Since the system works without a central repository or single administrator, bitcoin is called the first decentralized digital currency.[13]:1[16] Besides being created as a reward for mining, bitcoin can be exchanged for other currencies,[17] products, and services in legal or black markets.[18][19] ... https://www.youtube.com/watch?v=N3O8pEwXV8U