What is blockchain BTC

1. blockchain is composed of a series of block links generated by cryptographic algorithm, so it is called blockchain
each block is filled with transaction records, and the blocks are connected in sequence to form a chain structure, which is the blockchain ledger
blockchain technology divides the data to be stored in the database into different blocks. Taking bitcoin as an example, when miners generate new blocks, they need to calculate the new hash value and random number according to the hash value of the previous block, the new transaction block and the random number. Each block is linked to the back of the previous block through specific information, and connected in chronological order to present a complete set of data. In other words, each block is generated on the basis of the previous block data, which ensures the uniqueness of the blockchain data
each blockchain database is essentially an event chain connected in chronological order, which uses the cryptographic mechanism specified in the protocol for authentication to ensure that it will not be tampered with or forged. With the popularity of blockchain and bitcoin, many related top domain names have been registered, which has a great impact on the domain name instry.

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5. Blockchain technology is the underlying technology of bitcoin. Bitcoin has been running without any centralized organization operation and management. Later, bitcoin technology was abstracted out, which is called blockchain technology or distributed ledger technology. It can be said that bitcoin is the first application of blockchain and will be extended to more and more instries in the future
bitcoin is a virtual digital currency. You can register an account on a professional trading platform and sell or buy bitcoin through advertising. Uto market as a professional bitcoin trading platform, its security, convenience is generally recognized by everyone, the important thing is that the transaction will not charge fees
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at present, bitcoin is the mainstream currency, and people's cognition of bitcoin is also higher and higher. Bitcoin has doubled in just three months, which shows that its value has risen from RMB 25000 at the beginning of the year to RMB 80000 at present. It is very important to find a reliable trading platform. The technical team of utomarket has many years of experience in blockchain development, Professional wallet security team, unusual device IP login verification monitoring, wallet withdrawal common IP address monitoring, large amount operation manual audit, to ensure the security of account and wallet funds. Moreover, at present, there is no service charge for the transaction, and the price of bitcoin is more suitable than that of similar platforms, so bitcoin is the best choice for the transaction of virtual currency.

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