A bitcoin network

is a peer-to-peer network that is managed via a cryptographic protocol. Users use Bitcoin cryptocurrency wallet software and exchange bitcoins through digitally enabled messaging. Transactions are recorded in a distributed, replicated public database known as a blockchain, and consensus is reached on a Proof of Work protocol called mining. Bitcoin designer Satoshi Nakamoto claims that the design and coding of Bitcoin began in 2006. [2] The project was released in 2009 as open source software.Number of bitcoin transactions per month (logarithmic scale) [1]Bitcoin network requires a minimal structure to share transactions. A specially decentralized network of volunteers is sufficient. Messages are transmitted on the basis of maximum effort. Nodes can be disconnected from the network at will, or reconnected. After reconnecting, one node verifies and downloads new blocks from other nodes to complete a local copy of the blockchain.