**What is Bitcoin?**
Bitcoin is a digital currency. Bitcoins can be used to transfer value over the Internet in a matter of seconds just like you would send an email. The value of bitcoin and its transactions are stored in the blockchain. Everyone can run the open source Bitcoin software on his PC, laptop or smartphone to store, receive or send Bitcoins.
Bitcoin is not controlled by any bank, government or company, it is a decentralized peer-to-peer network and is managed by millions of com...