Jan 9, But that system I explained exists. It's called the Bitcoin protocol. And those digital apples are the bitcoins within the system. Fancy! So, did you. Oct 1, Unlike traditional payment networks like Visa, the Bitcoin network is not run by a single company or person. The system is run by a. The value of Bitcoin is taking a dip at the moment - but what is Bitcoin and how does it In order for the Bitcoin system to work, people can make their computer .