Blockchain Ted
The concept of bitcoin was founded by Nakamoto
On December 12, 2010, when bitcoin graally became a hot topic, he quietly left and disappeared from the Internet As a descendant of samurai, Nakamoto was born in 1949 in Beppu, Japan. His mother, quanzi, was a Buddhist and brought him up in poverty When his parents divorced in 1959, Nakamoto's mother remarried and immigrated to California with her three sons. Nakamoto and his stepfather don't get along well, but according to his younger brother Arthur, Nakamoto showed his talent in mathematics and science when he was very young, but also showed his "fickle and strange interest"Nakamoto graated from Caltech, majoring in physics. Upon graation, he joined Hughes Aircraft and worked in defense and electronic communications. Later, Nakamoto worked for the U.S. military, and his experience was classified as a state secret. Now searching his files, his life is a blank
In 2008, in an e-mail group discussing information encryption on the Internet, he published an article outlining the basic framework of the bitcoin system. In 2009, he established an open source project for the system, officially announcing the birth of bitcoin. On December 12, 2010, when bitcoin graally became the climate, he quietly left and disappeared from the Internetunlike all currencies, bitcoin does not rely on a specific currency institution to issue. It is generated by a large number of calculations based on a specific algorithm. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design to ensure the security of all aspects of currency circulation. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction. The design based on cryptography can make bitcoin only be transferred or paid by the real owner. This also ensures the anonymity of money ownership and circulation transactions. The biggest difference between bitcoin and other virtual currencies is that the total amount of bitcoin is very limited and it has a strong scarcity
on December 17, 2017, bitcoin reached an all-time high of $19850. On July 27, 2020, bitcoin broke through the $10000 mark again [2]<
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01:07
from the transaction of things In 2008, the global financial crisis broke out. On November 1 of the same year, a person who called himself Satoshi Nakamoto published the white paper bitcoin: a peer-to-peer e-cash system [6] on the P2P foundation website, stating his new idea of e-money bitcoin came out. On January 3, 2009, bitcoin Genesis block was born
there are three bitcoins in total
compared with legal tender, bitcoin does not have a centralized issuer, but is generated by the calculation of network nodes. Anyone can participate in the manufacture of bitcoin, and it can circulate all over the world. It can be bought and sold on any computer connected to the Internet. No matter where they are, anyone can dig, buy, sell or receive bitcoin, And in the transaction process, foreigners can not identify the user's identity information. On January 5, 2009, bitcoin, which is not controlled by the central bank and any financial institutions, was born. Bitcoin is a kind of digital currency, which is composed of a series of complex codes generated by computer. The new bitcoin is made by preset program
whenever bitcoin comes into the view of mainstream media, mainstream media always ask some mainstream economists to analyze bitcoin. Earlier, these analyses always focused on whether bitcoin was a scam. Now the analysis is always focused on whether bitcoin can become the mainstream currency in the future. The focus of the debate is often on the deflationary nature of bitcoin[ 7]
many bitcoin players are attracted by the fact that bitcoin can not be added at will. Contrary to the attitude of bitcoin players, economists have a polarized attitude towards the fixed amount of 21 million bitcoin
Keynesian economists believe that the government should actively regulate the total amount of money, and use the tightness of monetary policy to timely fuel or brake the economy. As a result, they believe that bitcoin's fixed aggregate currency sacrifices its adjustability, and worse still, it will inevitably lead to deflation, thereby harming the overall economy. Austrian economists hold the opposite view. They think that the less the government intervenes in money, the better. The deflation caused by the fixed amount of money is not a big deal, even a sign of social progress
bitcoin network generates new bitcoin through "mining". In essence, the so-called "mining" is to use computers to solve a complex mathematical problem to ensure the consistency of bitcoin network distributed accounting system. Bitcoin network will automatically adjust the difficulty of mathematical problems, so that the whole network will get a qualified answer about every 10 minutes. Then bitcoin network will generate a certain amount of bitcoin as block reward to reward the person who gets the answer[ 6]
in 2009, when bitcoin was born, block rewards were 50 bitcoins. Ten minutes after its birth, the first 50 bitcoins were generated, and the total amount of money at this time is 50. Then bitcoin grew at a rate of about 50 every 10 minutes. When the total amount reaches 10.5 million (50% of 21 million), the block reward will be halved to 25. When the total amount reaches 15.75 million (5.25 million new output, i.e. 50% of 1050), the block reward will be further halved to 12.5. The monetary system used to have no more than 10.5 million in four years, after which the total number will be permanently limited to about 21 million[ 3]
bitcoin is a virtual currency with limited quantity, but it can be used to cash out: it can be converted into the currency of most countries. You can use bitcoin to buy some virtual items, such as clothes, hats, equipment, etc. in online games. As long as someone accepts it, you can also use bitcoin to buy real-life items
on February 25, 2014, the opening price of "bitcoin China" was 3562.41 yuan. By 4:40 p.m., the price had dropped to 3185 yuan, down more than 10%. According to the historical market data of the platform, on January 27, 2014, 1 bitcoin could be exchanged for 5032 yuan. This means that in less than a month on the platform, the price of bitcoin has dropped by 36.7%
on September 9 of the same year, the US e-commerce giant eBay announced that Braintree, its payment processing subsidiary, would start accepting bitcoin payments. The company has entered into a partnership with coinbase, a bitcoin trading platform, to begin to accept this relatively new means of payment
although the eBay market trading platform and paypal business do not accept bitcoin payment, Braintree customers such as airbnb, a travel house rental community, and Uber, a car rental service, will be able to start accepting this virtual currency. Braintree, whose main business is to provide payment processing software to enterprises, was acquired by eBay in 2013 for about $800 million
on the evening of January 22, 2017, fire coin, bitcoin China and okcoin announced on their respective official websites that in order to further curb speculation and prevent drastic price fluctuations, all platforms will start to collect transaction service fees from 12:00 noon on January 24, and the service fees will be charged at a fixed rate of 0.2% of the transaction amount, and the active transaction and passive transaction rates are the same[ 8] On May 5, according to the latest data of okcoin, the price of bitcoin has just set a new record, reaching a high of 9222 yuan by the time of publication. From 12:00 noon on January 24, China's three major bitcoin platforms officially began to collect transaction fees. On September 4, the central bank and other seven ministries and commissions announced that China banned virtual currency trading
on December 17 of the same year, bitcoin reached an all-time high of $19850
on November 25, 2018, bitcoin broke the $4000 mark and then stabilized at more than $3000[ 9] On November 19, cryptocurrency resumed its decline, and bitcoin fell to the $5000 mark for the first time since October 2017, e to BCH's hard bifurcations and the regulatory authorities' enhanced scrutiny of the initial token issue (ICO)[ 9] At 4:30 a.m. on November 21, the offer of bitcoin on the coinbase platform fell below $4100, a 13 month low
in April 2019, bitcoin broke the $5000 mark again, reaching a new high in the year[ 10] On May 12, bitcoin broke through $7000 for the first time in nearly eight months[ 11] On May 14, according to the offer of coin market cap, bitcoin stood at $8000, up 14.68% in 24 hours[ 12]
on June 22 of the same year, the price of bitcoin broke through the $10000 mark. Bitcoin prices fluctuated around 10200, rising nearly 7% in 24 hours[ 13] On June 26, the price of bitcoin broke through $12000, a 17 month high since January last year[ 14] In the morning of June 27, the price of bitcoin was close to $14000, reaching a new high of the year[ 15]
on February 10, 2020, bitcoin broke through $10000. According to trading data, bitcoin's price rose more than 3%, breaking the psychological limit of $10000 for the first time since October 26 last year[ 16]
on March 12, according to the data of bitstamp, the cryptocurrency trading platform, the lowest price of bitcoin dropped to US $5731 at 19:44[ 17]
on May 8, bitcoin broke through the $10000 mark, a new high since February[ 18]
from 8:00 a.m. on May 10, the unit price of bitcoin fell by thousands of dollars from $9500 in half an hour, with the lowest price falling below $8200 and the highest price difference exceeding $1400[ 19]
at 6 p.m. on July 26, bitcoin rose rapidly for a short time, reaching a maximum of 10150.15usdt, with a maximum increase of more than 4% within the day. This is the first time since June 2, 2020 that bitcoin has exceeded the $10000 level[ 2]
bitcoin has been "forked" more than 100 times in two years. How about those forked coins now
a financial book
like 67
reading 6113
it's easy to be attacked by hackers and ask for bitcoin! Network threat has been related to the life and death of enterprises<
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Zan 18
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I bet that bitcoin will never die out
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visiting bitcoin mine in Xinjiang
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overseas mining rise: batch construction of us factories, On November 1, 2008, a self styled Satoshi Nakamoto published a bitcoin white paper, bitcoin: a peer-to-peer electronic cash system, on the P2P foundation website, stating his new idea of electronic money bitcoin came out
Wang yuexinyi, Professor of mathematics at Kyoto University, was born on January 3, 2009. Bitcoin uses distributed ledger to get rid of the constraints of third-party institutions, which Nakamoto calls "blockchain". Users are willing to dedicate the computing power of CPU and run a special software to be a "digger", which will form a network to maintain the "regional chain". In the process, they also generate new money. Business is also extended on this network. Computers running this software are scrambling to solve the problem of irreversible code, which contains several business data. The first miner to deal with the problem will get a 50 bitcoin reward, and the relevant trading area will join the chain. As the number of "miners" increases, the difficulty of each puzzle also increases, which keeps the proctivity of bitcoin in each trading area at about 10 minutes
in 2009, Nakamoto designed a digital currency, namely bitcoin. The booming bitcoin market has gone up and down, and the identity of its founder "Nakamoto" has always been a mystery. Rumors about "the father of bitcoin" involve from the US National Security Agency to financial experts, and also give bitcoin a mysterious aura
according to foreign media reports, computer scientist Ted Nelson released a video on the Internet on Sunday, saying that he has determined that the founder of bitcoin is Shinichi Mochizuki, a professor of mathematics at Kyoto University. The founders of bitcoin have always used
Comprehensive interpretation of blockchain technology
when blockchain technology is generally considered as a technology in the market, the blockchain team of ant financial services technology laboratory gave a calm explanation: blockchain technology itself is not a special technology, but is integrated by many previous technologies, such as P2P network, many nodes, cryptography, It also includes something similar to consensus. So from this point of view, if we only use the previous technology, we will graally form the blockchain technology in the end
The most significant applications are
1. Think about using blockchain in enterprise applications to provide more flexible, safe and efficient business processes and distributed, independent markets. Blockchain allows asset owners to track and trade valuable things, such as outstanding invoices, on a transaction "chain" that is more secure, transparent, private and self-coordinating. This capability improves the speed and flexibility of cash and asset management. For example, you are afraid to buy fake things, because a manufacturer transfers proction to several middlemen, and then you buy through middlemen, not manufacturers. If all the data is distributed, point-to-point and transparent, you can buy and pay directly from the manufacturer
The automation market of other assets will be diversified. In essence, because the software itself is controlled and open architecture, and visible to all transaction participants, the transaction based on blockchain can rece the demand for third-party supervision. If the enterprise can publish the value information to multiple potential buyers, and for all buyers, the content can be trusted and visible, and the seller can't sell again, then an open and transparent competitive environment will be formed when purchasing, and the seller can get better prices3. Rece business transaction friction. Managing spending is a challenge for most organizations. However, blockchain enables enterprises to create self-management networks for suppliers and partners, realize contract automation, real-time payment, tracking of goods transportation, and visibility of the whole supply chain. For example, if a company uses refrigerated containers to transport perishable goods, when the container temperature exceeds a certain threshold, the IOT sensor on the truck may call the smart contract on the blockchain. This will cause the corresponding order to be cancelled, and it will also be able to automatically create a new order, so that a second batch of goods can be sent immediately. Trucks with faulty refrigeration equipment can also go to the repair Office for repair
This kind of network can rece transaction errors and information omission by recing or eliminating human-computer interaction. Moreover, by connecting buyers and sellers directly, transactions can become faster. Manage and secure decentralized private records. Its traditional instry practice is to rely on a third party, using firewalls and restricted access to protect their shared information database. And frequent data leakage events show that this approach is not very ideal. A fundamental advantage of blockchain is that each indivial data record or element is encrypted by the key of a blockchain member. Cybercrime may need to obtain each key of each member in order to access all the blockchain data. This is not to say that blockchain can guarantee 100% security of all data, which helps to rece the possibility of exposure of a large number of private records5. A reasonable application is the record of employees or students. Employers, ecational institutions and even instry certification bodies can add new qualifications, grades or work places when necessary. Imagine giving employees a key to access all their employee records as part of a secure blockchain containing human resources. Indivials can safely share their university transcripts or employment history with other companies or ecational institutions without relying on unreliable and easily falsified faxes. Trace the origin of procts and raw materials. Blockchain can help ensure proct quality and safety by simplifying the tracking and positioning of procts and raw materials in use. For example, if an automobile manufacturer forms a quality centered blockchain including parts suppliers, parts assemblers, quality control suppliers and public management organizations (such as the National Highway Traffic Safety Administration). Then the recall process of defective parts will be faster. It makes sense to think that thousands of people die every year because of defective car parts
6. Verify identity, verify published information and data. Create a better user control mechanism. Nowadays, user information is easy to be manipulated, distributed to third parties, or even sold, so as to create revenue streams for owners of social media platforms, which will never be shared with users of information. Blockchain can disrupt all of these activities. It allows users to control their own information and its exact location. No platform can be accessed without permission. Users can decide who can access their information. They can deal directly with advertisers and third parties according to their choice, rather than like others. Moreover, users can choose to share their information with advertisers on any platform for a fee
to sum up, blockchain is a kind of chained data structure that combines data blocks in chronological order in a sequential way, and it can not be tampered with and forged by cryptography. In a broad sense, 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 A new distributed infrastructure and computing method (reference network) for programming and operating data by using intelligent contract composed of automated script code
Application in finance
three major applications of blockchain technology
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Application of blockchain technology in asset securitization field
< / OL >
in recent years, The domestic asset securitization (ABS) instry is developing rapidly. At the same time, the problems of asset cash flow management need to be improved, the transparency and efficiency of underlying asset supervision need to be improved, the efficiency of asset transaction settlement is low, and the cost of credit enhancement is high are graally exposed. In order to apply blockchain technology in ABS field, participants need to build ABS blockchain alliance, which is composed of asset side, pre ABS investor, SPV (trust), escrow bank, manager, intermediary, ABS investor and exchange. Its core business includes fund transaction reconciliation, transaction file management, data interaction interface, information release and sharing, underlying asset management, intelligent ABS workflow and so on. Blockchain application can at least empower ABS instry in the following five aspects
To improve the cash flow management of ABS< Second, it is concive to penetrating supervisionthirdly, it can improve the settlement efficiency of financial assets< (4) the efficiency and transparency of securities trading will be greatly enhanced
fifthly, it can rece the transfer cost of credit enhancement
2. Application of blockchain technology in insurance instry. However, with the tightening of regulatory policies on medium and short-term survival procts, the business scale of universal insurance has declined significantly. In the aspect of insurance proct design, blockchain is concive to promoting the breakthrough and rapid development of customized insurance categories, such as agricultural insurance and proct quality insurance
quality insurance can endorse the reputation of enterprises and protect the rights and interests of consumers. However, insurance companies need to make a comprehensive evaluation of enterprises and procts to underwrite quality insurance, but these data are often difficult to collect truly and effectively, which restricts the development of quality insurance. The establishment of proct traceability and anti-counterfeiting application platform based on the underlying technology of blockchain can help insurance companies easily trace the information of proct proction, processing, sales, purchase, complaints and other links through the platform, so as to effectively judge the incidence of quality defects of related procts, formulate insurance procts, and promote consumption upgrading and instrial upgrading
in insurance sales, the application of blockchain technology can simplify the sales process, save the sales cost and realize the traceability of insurance sales. From the perspective of insurance companies, when willing policyholders purchase insurance policies through channels, channel providers uniformly send policyholders' information to the blockchain platform. The platform judges whether willing policyholders are in the white list according to the distributed storage information. If they meet the standards, they will accept the purchase request, which saves the tedious process of manual transmission, acceptance, review and feedback. From the perspective of consumers, blockchain technology can realize the traceability of insurance sales behavior and safeguard the legitimate rights and interests of consumers. The insurance sales market has been in chaos, and the phenomenon of false publicity of insurance procts through deception, concealment or incement has been repeatedly prohibited. Blockchain technology can link the key actions of each link of insurance sales, and realize the traceability of the whole process of sales actions, so as to standardize the insurance sales behavior and promote the sustained, healthy and stable development of the instry
in the insurance claim process, the application of blockchain technology can improve the claim efficiency and customer experience. Claim and loss handling process is an important process in insurance market. The complex claim process increases the cost, reces the claim efficiency and affects the customer experience. Smart contract technology can simplify the claim submission process, rece the need for manual review and shorten the processing cycle. At the same time, it is easier to identify suspicious behaviors through the historical claims and asset source records in the distributed ledger
in the field of insurance anti fraud, the application of blockchain technology can effectively prevent the occurrence of insurance fraud. Insurance fraud not only erodes the profits of insurance companies, but also damages the legitimate rights and interests of other insurance consumers. Although every insurance company has made a lot of efforts in anti fraud, the reality is still grim. Blockchain technology can at least help the insurance instry alleviate or even resolve this stubborn disease in the following two aspects. First, establish anti fraud sharing platform to rece fraud and strengthen evaluation through historical claim information; The second is to establish "unique and identifiable identity information" by using reliable data sources and coded business rules, so as to prevent false use of identity
3. The application of blockchain technology in the field of asset custody
in recent years, the global asset custody instry has entered the fast lane of rapid development, and the scale of Custody Assets and main custody procts have maintained rapid growth., However, there is still a certain gap between this scale and the international advanced peers, and there is still a large space for the development of China's asset custody instry
the application of intelligent contract technology in blockchain can effectively solve the operational risk in asset custody business. We can optimize the business process of asset custody from the following aspects: first, we realize the automation of the whole process, encapsulate the business instruction judgment and execution rules into the smart contract, use the smart contract execution and provide risk tips; The second is to improve the process efficiency, the real-time sharing of asset change, transaction details and other information among the asset consignor, manager, trustee and agent, eliminating the process of repeated verification and right confirmation; The third is to ensure the security of the performance and the authenticity of the transaction. By setting the key, the formal information of the participants, the limited visibility of the account information and the verifiability of the transaction are guaranteed; The fourth is to ensure that the information can not be tampered with, and put the compliance verification requirements of the investment plan on the blockchain to ensure that each transaction is completed on the basis of consensus
at present, bitcoin is the most closely related to blockchain. If you want to learn more about bitcoin blockchain, you can follow some new media. For example, Sohu, Baijia, mustard circle and so on. Foreign websites, such as CCN, coindesk, etc., all have huge applications
because the so-called proction relationship is actually how to do business between people and business partners. And these things, originally, are in the cognitive process between people, and there is no special program to program or quantify it
for example, if you and I are good friends now, we can do business. If someone stirs up our relationship and we are not good friends, we will not do business. Even if we can make money in business, we will not do business because there is no trust between us
as for blockchain, it is actually because the data is authenticated by all nodes and backed up at the same time, so my data is as real as possible and can't be tampered with. In this case, if you believe my data, you can make a program on this basis, and then use the data to make what kind of business contract, what kind of service, what kind of service, and what kind of service, what kind of service, what kind of service, what kind of service, what kind of service, what kind of service, what kind of service, etc This "proction relationship" of commercial cooperation is programmed. In this way, we believe in the data and the program compiled by the algorithm. Because you believe in the data and the program, you can develop all kinds of apps in the program. These apps are the proction relations and what business to do. This is: blockchain is actually a reconstruction of "proction relationship".
At present, there are not many videos on the market for systematic learning of blockchain, and self-learning of blockchain is still relatively rare. You can apply for classes. Black horse programmers will open a new blockchain discipline. Teachers will teach in an easy-to-understand way and explain in simple terms. You can certainly learn it. Source area video network, want to understand the blockchain, watch video tutorial here
the concept of bitcoin was first proposed by Nakamoto on November 1, 2008, and was officially born on January 3, 2009 [1]. According to the idea of Nakamoto, the open source software is designed and released, and the P2P network on it is constructed. Bitcoin is a virtual encrypted digital currency in the form of P2P. Point to point transmission means a decentralized payment system
unlike all currencies, bitcoin does not rely on a specific currency institution to issue. It is generated by a large number of calculations based on a specific algorithm. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design to ensure the security of all aspects of currency circulation. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction. The design based on cryptography can make bitcoin only be transferred or paid by the real owner. This also ensures the anonymity of money ownership and circulation transactions. The biggest difference between bitcoin and other virtual currencies is that the total amount of bitcoin is very limited and it has a strong scarcity
on December 17, 2017, bitcoin reached an all-time high of $19850. On July 27, 2020, bitcoin broke through the $10000 mark again.
legal representative: Mei Chun
time of establishment: July 10, 2018
registered capital: RMB 1 million
enterprise type: limited liability company (invested or controlled by natural person)
Company Address: room 523, building 5, No. 266, Chengde South Road, Huai'an Economic and Technological Development Zone (Huai'an Software Park)
Blockchain is not just a fire. It's a fire in China, but we don't know much about it. But it caused a certain sensation in the world. The historical background is that in 2008, the creator of bitcoin, Tsung Nakamoto, proposed the concept of "blockchain" in the white paper on bitcoin, and founded the bitcoin social network in 2009
several main features:
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blockchain is essentially a decentralized database. The information in our life is centralized. For example, if you transfer money to bank a, bank a will transfer it to bank B, or more intermediaries, so as to transfer it to foreign countries or other places. Any information is transferred to a central station and redistributed. In the blockchain, all data are scattered, and the data interaction is direct, from the starting point of data to the place where it needs to be received. So data transmission is faster, more direct, and will not be manipulated
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why is it called blockchain? Take bitcoin blockchain as an example. Every 10 minutes of bitcoin transaction information in the world will be recorded in a block, and the 10 minutes of data storage is monitored by all users. The information is transparent and cannot be tampered with. After ten minutes, the next block is generated, and the new block is linked with the previous block. If someone wants to tamper with the information of a block, he must tamper with the information of all blocks before that, which is impossible with the current technology
What is the use of < / OL >
1. Think about using blockchain in enterprise applications to provide more flexible, secure and efficient business processes and distributed, independent markets. Blockchain allows asset owners to track and trade valuable things, such as outstanding invoices, on a transaction "chain" that is more secure, transparent, private and self-coordinating. This capability improves the speed and flexibility of cash and asset management. For example, you are afraid to buy fake things, because a manufacturer transfers proction to several middlemen, and then you buy through middlemen, not manufacturers. If all the data is distributed, point-to-point and transparent, you can buy and pay directly from the manufacturer
The automation market of other assets will be diversified. In essence, because the software itself is controlled and open architecture, and visible to all transaction participants, the transaction based on blockchain can rece the demand for third-party supervision. If the enterprise can publish the value information to multiple potential buyers, and for all buyers, the content can be trusted and visible, and the seller can't sell again, then an open and transparent competitive environment will be formed when purchasing, and the seller can get better prices3. Rece business transaction friction. Managing spending is a challenge for most organizations. However, blockchain enables enterprises to create self-management networks for suppliers and partners, realize contract automation, real-time payment, tracking of goods transportation, and visibility of the whole supply chain. For example, if a company uses refrigerated containers to transport perishable goods, when the container temperature exceeds a certain threshold, the IOT sensor on the truck may call the smart contract on the blockchain. This will cause the corresponding order to be cancelled, and it will also be able to automatically create a new order, so that a second batch of goods can be sent immediately. Trucks with faulty refrigeration equipment can also go to the repair Office for repair
This kind of network can rece transaction errors and information omission by recing or eliminating human-computer interaction. Moreover, by connecting buyers and sellers directly, transactions can become faster. Manage and secure decentralized private records. Its traditional instry practice is to rely on a third party, using firewalls and restricted access to protect their shared information database. And frequent data leakage events show that this approach is not very ideal. A fundamental advantage of blockchain is that each indivial data record or element is encrypted by the key of a blockchain member. Cybercrime may need to obtain each key of each member in order to access all the blockchain data. This is not to say that blockchain can guarantee 100% security of all data, which helps to rece the possibility of exposure of a large number of private records5. A reasonable application is the record of employees or students. Employers, ecational institutions and even instry certification bodies can add new qualifications, grades or work places when necessary. Imagine giving employees a key to access all their employee records as part of a secure blockchain containing human resources. Indivials can safely share their university transcripts or employment history with other companies or ecational institutions without relying on unreliable and easily falsified faxes. Trace the origin of procts and raw materials. Blockchain can help ensure proct quality and safety by simplifying the tracking and positioning of procts and raw materials in use. For example, if an automobile manufacturer forms a quality centered blockchain including parts suppliers, parts assemblers, quality control suppliers and public management organizations (such as the National Highway Traffic Safety Administration). Then the recall process of defective parts will be faster. It makes sense to think that thousands of people die every year because of defective car parts
to sum up, blockchain is a kind of chained data structure that combines data blocks in chronological order in a sequential way, and it can not be tampered with and forged by cryptography. In a broad sense, 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 A new distributed infrastructure and computing method (reference network) for programming and operating data by using intelligent contract composed of automated script code. Hope to help you
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