Realization of medical data sharing and security based on blockc

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(1) The underlying platform of the blockchain is a domestic independent and controllable blockchain platform developed by the science and technology of the blockchain. With the characteristics of high performance, high availability, scalability, easy operation and maintenance, strong privacy protection, and hybrid storage, the platform cooperates with the data sharing and security computing platform bitxmesh, the blockchain open service platform filoop, the supply chain finance platform filolink, and other platforms The deposit service platform filoink and the smart contract security R & D platform meshsec can better support the applications of enterprises, governments, instry alliances and other instries, and promote the efficient circulation of value among multiple institutions

(2) JD chain is the underlying framework of enterprise level blockchain independently developed by JD, and its birth marks that JD has started the construction of "Zhizhen ecology" based on the baas platform of blockchain and the underlying chain of "jdchain". Relying on the "one key deployment" capability of multiple optimization implementation, JD Zhizhen chain service platform has achieved the leading second level blockchain node deployment. In addition, it also has the core advantages of open compatibility with a variety of underlying, enterprise level dynamic networking and other mature applications. The timely launch of JD Zhizhen chain will effectively promote the large-scale implementation of enterprise level blockchain applications in various instries, and promote the construction of China's and global trust economy

(3) thunderchain is a blockchain application project independently researched and developed by netxin technology under thunderchain, which has high concurrency and second level confirmation capability of millions of TPS. Based on the research and development of high-performance blockchain procts, Xunlei has built an open platform of Xunlei chain, which helps enterprises or indivial developers to deploy smart contracts, easily realize the proct and service on the chain, and make the application development of blockchain more convenient

(4) Jingtong blockchain

Jingtong blockchain is the core underlying technology of Jingtong technology's blockchain with independent intellectual property rights. It is an effective decentralized Internet trading network based on blockchain technology, which adopts layered design (5 layers) underlying platform and multi language intelligent contract system, and has realized cross chain function. It has multi-level, all-round and one-stop service capabilities such as private chain, cloud chain and alliance chain. The layout of instry and regional ecology has taken shape

in addition to the above blockchain procts, there are community led LTC, cosmos, iota, Neuros, nuls, MOAC, etc., and enterprise led ripple, stellar, Weizhong bcos, network xuperchain, Huawei, Ping'an, Wanxiang, ant financial services, Zhongan, Bubi, matrix element, secret ape, zhongxiangbit, complex beauty, Shanghai Lianjing, etc

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blockchain is far more than a technology, which involves the spirit of "multi-party cooperation". In modern society, a lot of things must rely on everyone's cooperation to achieve 1 + 1 & gt; But we should try our best to avoid the problem of "information asymmetry" in cooperation

therefore, members of the alliance should keep accounts and share data together, and make everything public to eliminate "information asymmetry", so as to protect everyone's interests and make the business environment develop healthily. Honest work will get e benefits, if cheating will naturally be known to all. Technology is the foundation to help achieve this pattern. This is the more important "blockchain thinking"

3. In view of the security characteristics and shortcomings of the existing blockchain technology, we need to build a security system around the physical, data, application system, encryption, risk control and other aspects to improve the security performance of the blockchain system as a whole
1. Physical security
the network and host running the blockchain system should be in a protected environment. According to the regulatory requirements of specific business, the protection measures can be used to protect the physical network and host by means of VPN, firewall, physical isolation, etc
2. Data security
in principle, the data exchange between nodes of the blockchain should not be transmitted in clear text. For example, asymmetric encryption can be used to negotiate key, and symmetric encryption algorithm can be used to encrypt and decrypt data. The data provider should also strictly evaluate the sensitivity and security level of the data, decide whether to send the data to the blockchain, whether to desensitize the data, and adopt strict access control measures
3. Application system security
application system security needs to start from the aspects of identity authentication, authority system, transaction rules, anti fraud strategy, etc.
relevant personnel, transaction nodes and transaction data involved in application operation should be controlled in advance and auditable afterwards. Taking financial blockchain as an example, consensus algorithm with stronger fault tolerance, anti fraud and higher performance can be adopted to avoid joint fraud of some nodes
4. Key security
to encrypt the communication data between the blockchain nodes and the key to encrypt the data stored on the blockchain nodes, the plaintext should not exist on the same node, and the private key should be properly saved by the encryption machine. When the key is lost or leaked, the system can identify the relevant records of the original key, such as account control, communication encryption, data storage encryption, etc., and implement response measures to make the original key invalid. The key should also be managed strictly in the life cycle, and should not be permanently valid. It needs to be replaced after reaching a certain time cycle
5. Risk control mechanism
there should be careful detection measures for the network layer, host operation, data access of application system, transaction frequency and other dimensions of the system. For any suspicious operation, alarm, record and verification should be carried out. If illegal operation is found, loss assessment should be carried out, remedial measures should be taken at the technical and business levels, and security measures should be strengthened, And trace the source of illegal operation to prevent further attacks

Article source: white paper on blockchain technology and application development in China

4. On November 29, 2018, Shenzhen blockchain instry alliance was established
the alliance is jointly sponsored by 24 enterprises, institutions, universities, instry media and associations, including Shenzhen Branch of China Quality Certification Center, Tencent, Cisco, CIMC, Zhongan technology, Neusoft group, Shenzhen IOT Media Co., Ltd., Shenzhen Institute of standards and technology, Shenzhen University blockchain technology research center, and is committed to focusing on promoting blockchain technology research Achievements transformation, application promotion and instrial development
recently, blockchain technology has been highly affirmed by the Political Bureau of the CPC Central Committee. The stock prices of listed companies involved in the concept of blockchain have skyrocketed, and the market is hot. It is also hotly discussed that blockchain has been "turned into a regular" by the state, so the future prospects are bound to be bright
now, the year is coming to an end, and 2019 will come to an end. One year later, what progress has Shenzhen blockchain instry alliance made
let's take a look at the progress of the following four instry alliance members first< At the original founding meeting, Tencent was selected as the chairman of Shenzhen blockchain instry alliance, and Cai Yige, general manager of Tencent blockchain business, served as the chairman of the alliance
now, Cai Yige will be the general manager of Tencent virtual bank blockchain
it is reported that at the recent "2019 world blockchain conference · Wuzhen", Cai Yige disclosed that Tencent has obtained the virtual banking license granted by the Hong Kong Monetary Authority and is preparing the virtual banking blockchain project. At present, Tencent has digital asset practice in supply chain finance and improving asset and capital allocation efficiency
from the general manager of blockchain business to the general manager of virtual bank blockchain, the stage will naturally be broader< In 2019, as the representative of blockchain enterprises, Cisco participated in the preparation of national standards for blockchain
on April 3, 2019, China Institute of Electronic Technology Standardization (hereinafter referred to as the Institute) organized experts to successfully hold the first working group meeting of the national standard 2019 of "information technology blockchain and distributed ledger technology reference architecture" in Shanghai
experts from SAC / TC 180 national financial standardization technical committee and 36 domestic enterprises including Cisco, Internet, Tencent, Jingdong and Ping An of China were invited to attend the meeting
this meeting clarified the national standard content of reference architecture, and defined the next step of preparation plan
Mo Bing and Wei Songjie, as the national standard setters of the reference architecture, concted in-depth research and Discussion on terms, user view, function view and system view related to blockchain technology, and exchanged the latest progress of blockchain standardization at home and abroad
at the business level, Cisco insists on promoting the technology research and development of "Internet of things + blockchain", invests a lot of funds in the research and development of application solutions and supporting chips, and promotes the improvement of the core proct system
for example, accelerate the improvement of RFID chip procts, and focus on the research and development of low-cost and high-performance UHF Passive RFID chip, high-performance NFC + UHF al band tag chip, and UHF RFID reader chip and mole
within one year, we cooperated with Neusoft, Shougang, Laofengxiang and other listed companies to provide them with corresponding "Internet of things + blockchain" technology solutions
in the future, we will continue to speed up the promotion and implementation of blockchain plus Internet of things system solutions, and improve and optimize the terminal equipment and software platform for anti-counterfeiting, traceability, warehouse inventory, smart retail, data acquisition and other systems
so far, 69 patents related to "Internet of things + blockchain" have been submitted, 47 invention patents, and the rest are utility models and layout designs
as the technical supporter of Walton chain, Cisco tries to go further on the road of combining hardware with software
the company's key proct is the combination of self-developed RFID chip and Walton chain (commercial bottom public chain), which uses the technology features of blockchain chain, such as non tampering and full process traceability, to serve the scene data collection and traceability applications in food, clothing, retail, power grid equipment, art and other instries, Form a standardized comprehensive solution for data collection, certification and traceability of various instries< Zhongan Information Technology Services Co., Ltd.
as the first Internet insurance company that hopes to reshape the insurance value chain through science and technology, Zhongan has set up a blockchain team since 2015 to reserve core technology and explore the deep integration of blockchain technology and instrial innovation. Up to now, it has submitted 129 blockchain related patents, 112 of which can be checked publicly
"in the future, Zhongan blockchain will focus more on the exploration of insurance. Sooner or later, blockchain and smart contract will have a significant impact on insurance. We have started to penetrate from simple and marginal business. From the early health insurance policy deposit, to the claim efficiency of smart contract, and then to the policy token, we hope to use technological innovation to release manpower, improve efficiency, rece transaction friction and loss between collaborations, and create a real new insurance. " Zhongan technology CTO Li Xuefeng said recently
in 2019, Zhongan science and technology will focus on supply chain finance. In view of the long-standing bottlenecks of supply chain finance, such as fraud risk, information island, difficult credit transmission and high performance risk, Zhongan science and technology will launch the "Zhongan chain" to build a safe and reliable supply chain financial ecosystem with enterprises in the "double chain" mode of block chain and supply chain
at present, the safety chain of many enterprises has been graally implemented in the supply chain scenarios of automobile manufacturing, logistics, construction, e-commerce and medical drugs, covering the online receivables transfer, financing, management and settlement needs of core enterprises and their upstream suppliers< As one of the largest IT solutions and service providers in China, Neusoft Group Co., Ltd., the vice chairman unit, is increasing investment, strengthening strategic deployment in the field of blockchain technology and expanding its business
by using aiguille BCP peak series blockchain technology application platform, the blockchain and the current mode of enterprises are integrated and innovated
it is reported that as a new computer application technology and basic technology, Neusoft group has started tracking and pre judging since the beginning of 2016, strengthened ecological cooperation, combined with the company's main business to achieve more scenario applications, provided more solutions for users, and realized the real implementation of blockchain technology
in the application of blockchain technology, Neusoft group mainly uses application scenarios to drive the selection of technical routes and the establishment of cooperation ecology. In February 2018, Neusoft group developed a blockchain based medical data sharing platform (carevault)
in 2019, Neusoft has developed a licensed drug and equipment traceability management platform for Hainan Bo'ao Lecheng International Medical Tourism pioneer zone
the platform is a set of licensed drug and equipment traceability management platform supported by electronic signature, block chain, Internet of things, GIS and visualization technology, which is built in the international medical tourism pilot zone of Hainan Bo'ao Lecheng. It has the functions of online electronic approval, traceability supervision and adverse reaction monitoring of licensed drugs and medical devices, To provide information support and reasonable and effective supervision means for the whole process traceability supervision business of licensed drugs and equipment
summary:
there is a long way to go for the development of blockchain technology landing scenarios. How to enable the instry to become a standardized technical infrastructure needs long-term exploration and running in.

5. There are many blockchain projects, and few of them have practical applications. The development of blockchain is still in the early stage of development! If you want to engage, you'd better understand the strength of the project party and the team's belief and attitude towards the blockchain
I learned about a project on the Internet before: akso health chain, which is engaged in blockchain health care project! Committed to solving the problem of health care data island! You can understand and pay attention to it (for reference only, no investment suggestions, thank you)

6. Domestic medical mutual aid and insurance practitioners have implemented the blockchain, and the medical mutual aid platform has entrusted people to develop the "heart chain" of public welfare procts based on the blockchain. The amount of donation, capital flow and other information of users are open and transparent, and the blockchain is used to realize automatic underwriting and intelligent claim settlement; Zebra club and Bubi blockchain cooperate to eliminate the possibility of system organizers cheating from the technical level; Concentric mutual is based on bitcoin blockchain to increase credit for procts

how to realize automatic underwriting and intelligent claim settlement

some medical mutual aid practitioners are using blockchain technology to solve two thorny instry problems: one is to ensure the authenticity of claims information, the other is to improve the efficiency of claims settlement

medical mutual assistance is to solve the problem of medical expenses for serious diseases by using a lower threshold. The specific method is: economic mutual assistance and risk sharing among participants, such as users paying to become members of the medical mutual assistance platform. After the observation period, if users get sick, they can get medical expenses subsidies according to their specific conditions. Through the steps of case publicity, third-party investigation, etc, The maximum amount of subsidy is 300000 yuan. After calculation, in the mutual platform, the average user's annual cost is 60-90 yuan

in foreign countries, mutual insurance has appeared for a long time. Some people with common requirements and facing the same risk voluntarily organize to pay the risk loss compensation contribution in advance, generally for major diseases. This kind of mutual insurance can be customized according to the needs of the group, and the cost is much lower than that of several famous insurance companies

the difference between medical mutual aid and insurance is that each member is fully involved in it. Everyone cares about every move of everyone in the mutual aid group, including who is sick, who needs to settle the claim, and when the money will arrive. This requires the platform to have enough self-proof

the medical mutual aid platform needs to settle claims according to the rules. Whether the diagnosis time of the user is within the observation period can be self certified by using the blockchain technology

in the traditional insurance claim settlement, there are human factors. For example, in the process of underwriting, it is ultimately up to people to investigate, judge and report. At the same time, it takes time to settle insurance claims, and it is often difficult for users to get insurance money at the first time. In the field of mutual assistance, blockchain technology can ensure the accuracy of information. Once the user's information is stored in the blockchain system, no one can modify the information

"over the past few years, we have accumulated more than 8 million users in medical mutual assistance, with more and more participants involved in mutual assistance and more and more money involved. We have implemented blockchain applications, and graally found that blockchain has greater value. It can realize an automatic machine medical mutual assistance security system, from applying for mutual assistance to obtaining mutual assistance, Everything can be realized through artificial intelligence, and the whole process can be compressed to immediate compensation, which is the development direction of financial AI. " Yu Jianan, CTO of zhongtuobang, told Wall Street what he saw

the self certification function of blockchain can be traced back to a few years ago. In foreign countries, some geeks attach some information to each bitcoin transaction

"at the end of this transaction, you can attach the hash value of an image, which is a record after the algorithm operation of the image. If you modify the picture, the record will change. We can complete self certification in this way. On the platform, each mutual aid voucher contains the user's own identity information, the time of joining the plan, and other key elements

7. The draft of the "fourteenth five year plan" points out that seven key instries of digital economy, such as instrial Internet, blockchain, artificial intelligence and so on, as well as digital application scenarios such as intelligent transportation and intelligent energy, should be further defined, and "accelerating digital development and building digital China" should be regarded as an independent chapter, from creating new advantages of digital economy to speeding up the construction of digital society, From improving the level of digital government construction to creating a good digital ecology, this paper outlines the new prospect of Digital China Construction in the next five years. In 2025, the added value of core instries of digital economy will account for 10% of GDP
through consensus algorithm, the user data can be updated synchronously among judicial nodes such as notary office, Arbitration Commission, Internet court, judicial identification Institute and right institution on the security chain, so that each node on the security chain can realize real-time exchange of data and information, and effectively improve the judicial credibility of the blockchain data
based on the mode of "blockchain + judicature + application", e-security deeply arranges e-signing, and helps enterprises transfer traditional offline paper contracts to online signing by means of professional underlying data storage capability, full evidence chain technology and post signing judicial services, providing real name authentication, E-contract, signature management and other services
, the use of blockchain technology for the original works of online right confirmation, infringement detection and infringement forensics, as well as online right registration and other intellectual property protection services. It provides online arbitration filing application, agent execution, direct evidence to arbitration commission and other services for enterprises and indivial users. At the same time, it can also provide the notary office with the construction of Internet notary system, notary intelligent terminal and corresponding customized services, and help the notary office to comprehensively transform and upgrade its business. At present, it has successfully provided judicial services such as Internet notarization system construction for many notary offices. And other application scenarios, lead the blockchain to different instries and fields, provide full supporting solutions, and accelerate the rapid implementation of blockchain in the whole instry. As the cornerstone of digital economy, blockchain technology plays an important role. Through "blockchain +" to quickly complete the transformation and upgrading, release new momentum for the development of digital economy.

8. In data analysis, how to effectively protect personal privacy and prevent core data leakage has become the primary consideration.