All the computers worldwide that make up the Bitcoin validating and mining nodes. Anyone can download the Bitcoin blockchain and become a validating node, which checks the integrity of transactions, both previous and current.
However, although there are no restrictions to being a Bitcoin miner and competing with other miners to add new transactions to the network, mining requires an enormous amount of computing power (see Bitcoin mining
). See Bitcoin
and crypto glossary
What Is Bitcoin Really?
Bitcoin uses a unique architecture that was never deployed until Satoshi Nakamoto conceived the idea and implemented it in 2009. Bitcoin can be referred to as any one or all of the following:
peer-to-peer electronic cash system