The steam engine of blockchain
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 was 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 the leader of virtual currency and has the reputation of digital gold. Its value lies in its network. We can connect to the global payment network in real time. It can send large or small amount of funds to any person, any place, any time, for any purpose, and complete the transaction without obtaining or sharing any person's private information. Using utomarket makes digital currency transaction easier.
Blockchain is an important concept of bitcoin. It is essentially a disintermediated database. At the same time, as the underlying technology of bitcoin, it is a series of data blocks generated by using cryptographic methods. Each data block contains the information of a bitcoin network transaction, which is used to verify the effectiveness of its information (anti-counterfeiting) and generate the next block
blockchain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies
in a narrow sense, blockchain is a kind of chain data structure that combines data blocks in a sequential way according to the time sequence, and it can not be tampered with and forged by cryptography
broadly speaking, blockchain technology uses blockchain data structure to verify and store data, uses distributed node consensus algorithm to generate and update data, and uses cryptography to ensure the security of data transmission and access It is a new distributed infrastructure and computing method to program and operate data by using intelligent contract composed of automated script code
extended data:
the evolution mode of blockchain is as follows:
& 9642; Blockchain 1.0 - digital currency
▪ Blockchain 2.0 - digital assets and smart contracts
▪ Blockchain 3.0 - Implementation of distributed applications in various instries
blockchain features:
1. Disintermediation. Due to the use of Distributed Accounting and storage, there is no centralized hardware or management organization in the system, the rights and obligations of any node are equal, and the data blocks in the system are jointly maintained by the nodes with maintenance function in the whole system
2. Openness. The system is open. In addition to the private information of all parties to the transaction is encrypted, the data of the blockchain is open to all. Anyone can query the blockchain data and develop related applications through the open interface, so the information of the whole system is highly transparent
3. Autonomy. Blockchain adopts consensus based specifications and Protocols (such as a set of open and transparent algorithms) to enable all nodes in the whole system to exchange data freely and safely in a de trusted environment, so that the trust in "people" is changed into the trust in machines, and any human intervention does not work
The information can not be tampered with. Once the information is verified and added to the blockchain, it will be stored permanently. Unless more than 51% of the nodes in the system can be controlled at the same time, the modification of the database on a single node is invalid. Therefore, the data stability and reliability of the blockchain are extremely high5. Anonymity. Because the exchange between nodes follows a fixed algorithm, the data interaction does not need to be trusted (the program rules in the blockchain will judge whether the activity is effective). Therefore, the counterparties do not need to make the other party trust themselves by disclosing their identities, which is very helpful for the accumulation of credit
(1) Technical level. Since 2007, distributed computing has affected technical developers, so it is normal for bitcoin to appear in the field of virtual currency
(2) hardware level. The popularity of PC servers and the exponential growth of computing power (3) commercial level. The three characteristics of blockchain, namely, decentralization, distrust and extremely difficult forgery, just meet the needs of recing the trust cost and speeding up the transaction speed in financial fields such as stock trading and bank settlement (4) political level. Blockchain can rece the transaction cost to a certain extent, but the anonymity and untraceability of blockchain cause huge political risk[blockchain as the underlying technology of bitcoin was proposed at the end of 2008]
characteristics of blockchain:
the core potential of blockchain lies in the transparency, openness, traceability and non tampering of information
origin of blockchain:
blockchain technology originated from a special currency, and its essence is to create a decentralized monetary system
it's hard to say whether we can change the world in the future, but the future is very clear.
APCA (Asia Pacific cloud application alliance) and bcai (Asia Pacific blockchain and artificial intelligence innovation and Application Research Institute) will jointly hold the "2018 Asia Pacific blockchain and artificial intelligence Innovation Forum (Shenzhen)" in the conference hall of hall 3 of Shenzhen Convention and Exhibition Center on the afternoon of September 6, 2018 (Thursday)
blockchain block chain is considered to be the fourth generation of disruptive core technology after steam engine, electric power and Internet. As a machine for building trust, blockchain will completely change the way of value transmission of the whole human society, making the information internet a value Internet
blockchain is of revolutionary significance. It will reshape the fulcrum of the world economy. Because it uses decentralized disruptive technology, it can "reshape instry services and business architecture". As the most popular vocabulary, blockchain technology has rapidly gathered the high focus of the government, science and technology and financial circles
in 2016, the Chinese government wrote "artificial intelligence and blockchain" into the 13th five year plan, and blockchain technology was listed in the National Informatization Plan of the Chinese government for the first time. At the present stage, AI and blockchain technology are paid more and more attention by government agencies and international organizations. In 2018, artificial intelligence will affect our lives in a tangible way. In 2018, artificial intelligence will become the mainstream and begin to influence all aspects of our lives in a truly ubiquitous and meaningful way
in order to further promote the innovative application and development of blockchain technology and artificial intelligence technology, let blockchain technology serve the real instry and digital economy, further promote the instrialization process of blockchain technology and artificial intelligence technology, and serve the public entrepreneurship and innovation, APCA and bcai will invite BC and AI experts from Silicon Valley, Singapore, Hong Kong, Tokyo, Beijing, Shanghai, Guangzhou and Shenzhen as well as manufacturers of excellent technologies, procts and solutions to participate in this forum, The forum will exchange and introce the relevant innovative applications and development trends with the participants, so as to help enterprises better participate in the field of blockchain applications and artificial intelligence applications and obtain greater development opportunities. At the same time, interpret the pitfalls and opportunities in the application, and help enterprises realize the marketization and digital capitalization of blockchain technology and artificial intelligence technology procts
nowadays, the innovative application of blockchain is a great force. It can provide a trust tool to expand the global business opportunities of enterprises
nowadays, the innovative application of artificial intelligence is an outlet, which can provide an intelligent service and facilitate people's work and life
when blockchain 3.0 / 4.0 comes, are you still hesitating and waiting
when neural network computing is applied, you haven't got on the bus yet
the future has come, are you here?
2. Radiation engineers have less damage to armored combat vehicles
3. Radiation engineers have no damage to spiders and mining vehicles
4. Radiation engineers have no damage to buildings
these are the original data