The above map shows the concentration of Bitcoin nodes around the world (Date: 6 November 2017). Bitcoin nodes are the computers that make up the Bitcoin network, because they run Bitcoin software which allows people to broadcast transactions into the Bitcoin network, and they also store the Bitcoin blockchain, which is a collection of all …
Category: Bitcoin
What are Bitcoin signatures?
So, you heard that Bitcoin transactions need to be signed. But which transaction is actually signed? The new one that you want to send, or the old ones that were already sent? And when you “sign a transaction”, what is actually signed? Literally – what is the actual thing that is performed when someone “signs …
Take back your money and future
By now we’ve all heard about Bitcoin, and how it’s the best thing since sliced bread (or sliced coin?). Before you can appreciate the potential of Bitcoin (or any virtual money for that matter) you need to understand what traditional money is, and isn’t. It’s a given that money is power. Banks control the creation …