Results 61 to 70 of about 1,768 (148)
Evolutionary game analysis of data elements in a blockchain-based trusted data space [PDF]
The circulation of data elements serves as a key driver of data value and the digital economy, yet current mechanisms face challenges in ensuring data quality and trust due to information asymmetry, fraud, and illicit industrial chains, hindering their ...
CHEN Fu +4 more
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Blockchain-driven distributed consensus mechanism in defensing Byzantine attack for the Internet of spectrum device [PDF]
, 2020 To meet the requirement of the precisely spectrum sharing triggered by large-scale and ultra-dense deployment of mobile internet and internet of things,a framework based on blockchain technology for networking the massive personal wireless devices to ...
Guoru DING +5 more
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智能科学与技术学报, 2022 元宇宙作为虚实融生的三元世界，为人们提供了海量多样化的网络服务，但由于缺乏现实世界的面对面交流且无法打破地理与时间的限制，现有方案无法在高效认证数字公民的同时实现隐私保护与监管。基于此，提出一种面向元宇宙的数字公民身份认证方案。依据身份时效性设计分层认证方案，基于 Paillier 同态加密和保持结构性签名等算法实现去中心化标识符与可验证凭证的双重不可链接，并借助代码嵌入技术保障公民的被遗忘权，保护公民隐私；而且在认证过程中嵌入监管因子，以供日后追责。最后，安全性分析证明了所提方案满足不可链接性 ...
吕秋云 +4 more
doaj +1 more source
STBM: secure and trustworthy blockchain-based model for cybersecurity service transactions [PDF]
To overcome the numerous challenges faced by traditional models of cybersecurity service transactions, adapt to the needs of industrial digitalization, and address the inconveniences and opacity of cybersecurity service transactions, a secure and ...
PIAO Guirong, ZHU Jianming
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Design and Implementation of Campus Wireless Network of a University [PDF]
, 2016 摘要 近年来，数字化网络校园越来越成为构建现代化校园的一个标准。随着学校之间学术交流的增多，科研工作量的不断增加，甚至有通过网络进行远程教学，因此，校园网已经成为教职员工和学生获取信息和资源的主要手段。目前，许多师生都拥有笔记本电脑、智能手机等无线上网的工具，怎样才能在办公楼、教学楼、图书馆、实验室、宿舍、行政会议中心等开放性场所提供无线网络接入的环境，如何克服由传统布线局限性引起的不便，同时能够解决较多人上网的需求问题是学校要解决的当务之急。 随着无线网络应用越来越普遍，技术也越来越成熟 ...
徐莹
core
野生动物学报, 2022 国境口岸截获象牙的地理溯源是识别非法象牙来源地,确定走私热点地区,描绘走私通道,有针对性地打击象牙非法贸易的重要前提。利用线粒体DNA单倍型溯源的方法,对我国的126份国境口岸截获象牙样本进行地理溯源。从126份样本中共得出22个地理单倍型,为2个支系和7个进化枝。通过Loxodonta Localizer 数据库比对分析,109份样本确定了地理来源,进而推断出3个来源地:中非刚果盆地的Tridom跨境生态保护区,东非的肯尼亚、坦桑尼亚和乌干达等国及非洲南部的KAZA跨境保护区 ...
苏 倡 +5 more
doaj
Blockchain trading mechanism based on attached chain for the delay tolerant network [PDF]
, 2020 In order to deploy a blockchain on the non-continuous connectivity delay tolerant network,a blockchain trading mechanism was designed,which could run on this type of network.First,the identifier was introduced into the existing block structure and a ...
Lingling ZI, Xin CONG
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智能科学与技术学报, 2019 全球能源互联网旨在构建以电力消费为核心的能源模式，跨国跨洲电力交易是推动其发展的必要条件和有效途径。首先分析跨国跨洲电力交易面临的问题，提出了基于区块链和通证经济的跨国跨洲电力市场设计思路。然后，将跨国跨洲电力市场的组成分为5个部分，并分别对这5个部分进行了描述与建模。最后，利用等比例放大的IEEE 39节点系统，对本文所提市场进行了仿真与分析。仿真结果表明，基于区块链和通证经济的跨国跨洲电力市场可以保证跨区域、多主体电力交易的有效实施，同时有利于激励发电商使用清洁能源参与电力市场。
陈思远, 白昱阳, 张俊, 王飞跃
doaj
Application and Prospect of Integrated Food Testing Technology Based on Artificial Intelligence(基于人工智能的集成食品检测技术应用与展望) [PDF]
Shipin kexue jishu xuebaoThe integration of artificial intelligence (AI) and rapid detection technologies has brought significant transformations to the field of food testing, driving advancements in food safety, quality, and authenticity identification capabilities. The current
DING Haohan(丁浩晗) +6 more
doaj +1 more source
Research on Distributed Trusted Data Management and Privacy Protection Technology [PDF]
Blockchain systems provide better distribution, transparency, and trustworthiness than traditional distributed database systems in terms of bookkeeping methods.
Qing'an ZHENG, Jiancheng DONG, Liang CHEN, Yingqing RUAN, Jinsong LI, Linbin XU
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