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Medical Internet of Things transaction system based on block chain

A transaction system and Internet of Things technology, applied in the direction of medical care resources or facilities, generation of response errors, error detection of redundant data in calculations, etc., can solve loss, affect patient diagnosis, low transaction throughput, etc. question

Pending Publication Date: 2020-11-10
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are hidden dangers of medical data leakage in the medical Internet of Things system. According to the statistics of HIPAA [Healthcare industry ranks 8th for cybersecurity but poor dns health and endpoint security of concern, https: / / www.hipaajournal.com / healthcare-data-breach- statistics / , 2018.], the number of medical data leaks is increasing year by year, and the number of leaks in 2018 reached 13,236,569, which is about twice that of 2017
Medical data leakage mainly has the following problems: privacy leakage, loss of data assets, and data destruction (loss / alteration), affecting patient diagnosis
Solutions based on public chain projects (such as Ethereum) [D.C.Nguyen, P.N.Pathirana, M.Ding, and A.Seneviratne, "Blockchain for secure ehrs sharing of mobile cloud based e-health systems," IEEE Access, vol.7, pp .66 792–66 806,2019.] There is a common problem of low transaction throughput, and the current medical data scheme based on the alliance chain [Fan, K., Wang, S., Ren, Y., Li, H., &Yang,Y.(2018).Medblock: Efficient and secure medical data sharing via blockchain.Journal of medical systems,42(8),136.]Although the transaction throughput has been improved, the patient's access control to the data is also ignored

Method used

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  • Medical Internet of Things transaction system based on block chain
  • Medical Internet of Things transaction system based on block chain

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] like figure 1 As shown in , the network deployment diagram of the ecoin permission chain and the schematic diagram of the main working mechanism are provided. The ecoin permission chain network mainly includes the following network nodes / devices: patient nodes, hospital nodes, doctor nodes, research institution nodes, and hospital databases. Only one example is provided for each role in the figure.

[0098] Usually, all nodes communicate through the specified P2P protocol to form an ecoin communication network. Hospital nodes and research institution nodes form a PoT (Proof of Trust) consensus group. Transactions initiated by any node need to be broadcast to members of the consensus group, and then consensus is reached through the consensus group It is included in the new block and broadcast to all members. This is the basic transaction communication mechanism in the ecoin network. For the sake of simplicity, the propagation process of a transaction initiated by A and r...

Embodiment 2

[0105] This embodiment discloses a medical IoT transaction system based on a permission chain, such as figure 1 , 2 as shown, figure 1 Describe the schematic diagram of the network and the main working mechanism in the system, figure 2 A schematic diagram of the software structure of a specific single ecoin node is described. In this embodiment, the blockchain node software is layered and defined as follows:

[0106] Ecoin nodes can be decomposed from bottom to top: encryption and coding support layer, basic data structure layer, serialization protocol layer, point-to-point communication (P2P) module, ecoin core module, access interface, human-computer interaction and other hierarchical modules. Including the log module and BadgerDB storage module.

[0107] Encryption and encoding support layer: provide technologies such as ECDSA elliptic curve digital signature algorithm based on secp256k1 elliptic curve, AES-GCM symmetric encryption algorithm, SHA256 hash algorithm, gob...

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Abstract

The invention belongs to the technical field of medical Internet of Things, and discloses a medical Internet of Things transaction system based on a blockchain. According to the system, on the basis of providing transaction functions such as remote diagnosis and data transaction for each participant of the medical Internet of Things system, distributed storage is realized by synchronizing health data indexes through a block chain, the availability of patient health data is ensured, safety and privacy of patient health data are guaranteed through strategies such as health data custom encryption, transaction authorization data access, participant identity authority control, hospital agent query and participant credit point control. In order to adapt to scene requirements of mass transactiondata of the Internet of Things, a consensus algorithm based on effective transaction volume proof is designed, the consensus algorithm ensures that consensus nodes with the largest effective transaction number are collected within the same time to obtain a block right, and compared with common consensus algorithms such as workload proof and the like, the system has the advantages of higher throughput, capability of allowing consensus nodes to dynamically enter and exit, relatively fair consensus election and the like.

Description

technical field [0001] The present invention relates to the technical field of medical internet of things, in particular to a blockchain-based medical internet of things transaction system. Background technique [0002] With the aging of the population and the increase in the types of chronic diseases, the pressure on the modern healthcare system is increasing. It has been proven that the Internet of Medical Things is an effective solution to alleviate the pressure on the healthcare infrastructure. However, there are hidden dangers of medical data leakage in the medical Internet of Things system. According to the statistics of HIPAA [Healthcare industry ranks 8th for cybersecurity but poor dns health and endpoint security of concern, https: / / www.hipaajournal.com / healthcare-data-breach- statistics / , 2018.], the number of medical data leaks is increasing year by year, and the number of leaks in 2018 reached 13,236,569, which is about twice that of 2017. Medical data leakage m...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F9/54G06F16/27G06F21/62G16H10/60G16H40/20
CPCG06F11/1479G06F16/275G06F21/6245G06F9/547G16H40/20G16H10/60Y02D10/00
Inventor 崔巍艾振东
Owner SOUTH CHINA UNIV OF TECH
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