The ability of blockchain technology to record transactions on distributed ledgers offers new opportunities for governments to improve transparency, prevent fraud, and establish trust in the public sector. However, blockchain adoption and use in the context of e-Government is rather unexplored in academic literature. In this paper, we systematically review relevant research to understand the current research topics, challenges and future directions regarding blockchain adoption for e-Government. The results show that the adoption of blockchainbased applications in e-Government is still very limited and there is a lack of empirical evidence. The main challenges faced in blockchain adoption are predominantly presented as technological aspects such as security, scalability and flexibility. From an organizational point of view, the issues of acceptability and the need of new governance models are presented as the main barriers to adoption. Moreover, the lack of legal and regulatory support is identified as the main environmental barrier of adoption. Based on the challenges presented in the literature, we propose future research questions that need to be addressed to inform how the public sector should approach the blockchain technology adoption.

Blockchain technology is heralded for improving trust and can provide a new approach for creating transparency and promoting accountability of government activities. However, it is still not clear how and in what ways blockchain technologies can improve this. This study examines the mechanisms and capability of blockchain technology to contribute to improved transparency and accountability in government. We use a set of system transparency and accountability concepts and mechanisms to critically assess the capabilities of blockchain. By means of a land registration case in Indonesia, we investigate the effects of blockchain on the transparency and accountability of the system. Creating transparency and accountability might be more difficult than expected, as non-technical issues need to be addressed. Based on our assessment we discuss key issues, including digital ID, privacy, interoperability, connectivity and technology aware population, computational efficiency and storage size, acceptability, check and control mechanism, data validity, digital signature, algorithm transparency, law and regulation support, and dispute resolution, that must be considered in developing a transparent and accountable blockchain-based e-Government system.

The purpose of this study is to develop a method to read PDAM Tirtanadi water gauge from image captured by a digital camera mobile phone using Kohonen artificial neural network model. There are several processes within the application which are image acquisition, preprocessing, segmentation, training ANN Kohonen and digit number identification process. Based on simulation using 90 number digit from 15 water gauge data, we obtained the recognition results with the accuracy rate of 95,56% (per number digit) and 86,67% accuracy rate for the water gauge readings.

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