Titlebook: Smart Blockchain; Second International Meikang Qiu Conference proceedings 2019 Springer Nature Switzerland AG 2019 access control.authentic

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Efficiency Issues and Solutions in Blockchain: A Survey,erns related to transaction speed, data size, tracking information on public distributed ledgers faced to us. Time constraints and data overflow will lead to high financial expenses. In this paper, we address the efficiency issues of blockchain technology by reviewing recent significant work. First,

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AMEND

Pharmaceutical Supply Chain Management System with Integration of IoT and Blockchain Technology,ical supply chain management system based on IoT and blockchain has been designed and developed. To ensure the authenticity of data sources, IoT devices such as radio frequency identification (RFID), sensors, locators and QR codes are used to collect the current status of pharmaceutical products at

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軟弱

Insurance Block: An Insurance Data Security Transaction Authentication Scheme Suitable for Blockchaent cost of transaction center, regulatory difficulties and easy data tampering, etc. This paper puts forward a kind of insurance data security transaction authentication scheme based on block chain. This paper proposed a insurance data security transaction authentication scheme based on block chain

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Conference proceedings 2019 October 2019..The 13 papers presented in this volume were carefully reviewed and selected from 100 submissions. They focus on a broad range of topics in the area of blockchain, from privacy-preserving solutions to designing advanced blockchain mechanism, from empirical studies to practical manuals.

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e path — there may have been many other pathways that, by accident, were not chosen. Had one of these alternative paths been followed, life today might have been very different. The history of life is rich in dividing points where chance or the hand of the deity prevailed. Perhaps we owe more than w

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CODA

Zhenyu Guan,Jiawei Li,Hao Liu,Dawei Lie path — there may have been many other pathways that, by accident, were not chosen. Had one of these alternative paths been followed, life today might have been very different. The history of life is rich in dividing points where chance or the hand of the deity prevailed. Perhaps we owe more than w