基于区块链的方法实现遥感可信数据

Miguel Pincheira, Elena Donini, R. Giaffreda, M. Vecchio
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引用次数: 8

摘要

遥感从不同来源的开放数据融合中受益匪浅,包括安装在卫星上的远程传感器和无人机或物联网设备上的短程传感器。开放数据是一种新兴的理念,吸引了越来越多愿意分享的数据所有者。然而,大多数数据所有者是未知的,因此是不可信任的,这使得共享数据可能不可靠,并可能损害相关结果。目前,存在分发开放数据的工具,充当连接数据所有者和用户的中介。但是,这些工具由中央机构管理,中央机构为数据所有权、访问和完整性设置规则,从而限制了数据所有者和用户。因此,需要一个分散的系统来共享和检索数据,而不需要中介来限制参与者。在这里,我们提出了一个基于区块链的系统来共享和检索数据,而不需要中央机构。所提出的架构(i)允许共享数据,(ii)维护数据历史(起源和更新),以及(iii)允许检索和评估数据,增加可信度。为此,区块链网络实现了数据所有者和用户的直接连接。此外,区块链自动与参与者交互,并保持他们行为的透明记录。因此,区块链提供了一个分散的数据库,可以在没有中央权威的情况下实现参与者之间的信任。我们分析了该架构在精准农业遥感用例中的潜力和关键问题。分析表明,参与者在为遥感应用提供可信数据方面受益于区块链的特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Blockchain-Based Approach To Enable Remote Sensing Trusted Data
Remote sensing considerably benefits from the fusion of open data from different sources, including far-range sensors mounted on satellites and short-range sensors on drones or Internet of Things devices. Open data is an emerging philosophy attracting an increasing number of data owners willing to share. However, most of the data owners are unknown and thus, untrustable, which makes shared data likely unreliable and possibly compromising associated outcomes. Currently, there exist tools that distribute open data, acting as intermediaries connecting data owners and users. However, these tools are managed by central authorities that set rules for data ownership, access, and integrity, limiting data owners and users. Therefore, a need emerges for a decentralized system to share and retrieve data without intermediaries limiting participants. Here, we propose a blockchain-based system to share and retrieve data without the need for a central authority. The proposed architecture (i) allows sharing data, (ii) maintains the data history (origin and updates), and (iii) allows retrieving and evaluating the data adding trustworthiness. To this end, the blockchain network enables the direct connection of data owners and users. Furthermore, blockchain automatically interacts with participants and keeps a transparent record of their actions. Hence, blockchain provides a decentralized database that enables trust among the participants without a central authority. We analyzed the potentials and critical issues of the architecture in a remote sensing use case of precision farming. The analysis shows that participants benefit from the properties of the blockchain in providing trusted data for remote sensing applications.
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