In bitcoin, blockchain refers to

1. With the advent of bitcoin, a new technology, blockchain, has come into the public view. What is the relationship between bitcoin and blockchain? The simplest understanding is: blockchain is the underlying technology of bitcoin, and bitcoin is the first generation application of blockchain. Therefore, we often see such a saying that "bitcoin represents the era of blockchain 1.0"

bitcoin is regarded as the first generation application of blockchain technology and the most thorough application of its code testing. However, without bitcoin, there might not be so many people who knew about blockchain now. It can be said that bitcoin has greatly improved the "exposure" of blockchain technology

later, people graally found that the application value of blockchain is far more than bitcoin, but can be applied to many instries to solve the pain points of many instries; The idea of blockchain can also provide a lot of reference for the financial field, which is the real reason for the outbreak of blockchain.

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6.

Terminology in the field of information technology. In essence, it is a shared database. The data or information stored in it is characterized by "unforgeability", "trace in the whole process", "traceability", "openness and transparency" and "collective maintenance". Based on these characteristics, blockchain technology has laid a solid "trust" foundation, created a reliable "cooperation" mechanism, and has broad application prospects

blockchain originated from bitcoin. On November 1, 2008, a person who called himself Zhongben Cong published the article "bitcoin: a peer-to-peer e-cash system", which describes the framework concept of e-cash system based on P2P network technology, encryption technology, timestamp technology, blockchain technology, etc., which marks the birth of bitcoin

in recent years, the world's attitude towards bitcoin has gone up and down, but as one of the underlying technologies of bitcoin, blockchain technology has been paid more and more attention. In the process of bitcoin formation, blocks are storage units that record all the communication information of each block node in a certain period of time

each block is linked by random hash (also known as hash algorithm), and the latter block contains the hash value of the former block. With the expansion of information exchange, one block is connected with another block one after another, and the result is called blockchain

extended materials:

from the perspective of science and technology, blockchain involves many scientific and technological issues such as mathematics, cryptography, Internet and computer programming. From the perspective of application, in short, blockchain is a distributed shared ledger and database, which is decentralized, tamper proof, traceable, collective maintenance, open and transparent

blockchain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies. Blockchain is an important concept of bitcoin, which is essentially a decentralized database, as well as the underlying technology of bitcoin

in fact, the word blockchain does not appear in the original English version of bitcoin white paper, but the word chain of blocks. In the earliest Chinese translation of bitcoin white paper, chain of blocks was translated into blockchain. This is the earliest time when the Chinese word "blockchain" appeared