Bitcoin could be a crypto currency and worldwide payment system
it's the primary decentralized digital currency, because the system works while not a central bank or single administrator. The network is peer-to-peer and transactions happen between users directly, while not associate negotiator.
These transactions area unit verified by network nodes through the employment of cryptography and recorded in a very public distributed ledger known as a blockchain. Bitcoin was fabricated by associate unknown person or cluster of individuals below the name Satoshi Nakamoto and free as open-source code in 2009.