Content
Simply put, Bitcoin is a decentralized cryptocurrency, and the blockchain is a distributed (theoretically complete P2P) database. Bitcoin uses blockchain technology to achieve "decentralization" and solve the "double-spending problem". Bitcoin was proposed in 2008 by a person named Satoshi Nakamoto (Bitcoin: A Peer-to-Peer Electronic Cash System). The idea is to be completely decentralized and does not require the participation of an authority or a third party. User-to-user electronic money.
The realization of Bitcoin mainly consists of two parts:
Digital Signature: Encrypted payment
Blockchain: Record the order of transactions and establish the consistency and consensus of the entire P2P network