Cryptocurrency based on Blockchain Technology

The state of Palestine does not own national currency so Palestine loses a lot of money yearly due to the use of foreign currencies and the Paris Protocol agreement prevents Palestinian own currency For that the crypto-currencies based on block-chain instead of physical currency will help the state of Palestine to avoid the obstacles that prevent to own currency In this paper we will study the cryptocurrency based on Blockchain technology that uses peer-to-peer P2P and timestamp server In additional exploring the main components of bitcoin currency as an exampl

How Can Blockchain Contribute to Developing Country Economies? A Literature Review on Application Areas

Blockchain technology originally finding applications in Fintech and supply chain management is rapidly expanding applications to other industries as well as the public sector. “Blockchain has been compared to the invention of the internet and its comprehensive impact on almost every industry.” R. Beck and B. Markey-Towler (2017) A recent study by PWC (2020) found that, “Blockchain technology has the potential to boost global gross domestic product by $1.76 trillion USD over this decade.” It has been argued that the digital revolution has favored more developed nations and that has helped create a “digital divide” with less developed nations. Business and governmental infrastructure in developing nations have lagged that of more developed nations. Some of these challenges faced by developing nations include the registration of property ownership, financial systems, modern efficient supply chains often accompanied by a lack of trust and the ability to verify and audit organizational processes rapidly and economically. Blockchain technology has the promise to address many of the critical needs of developing countries internally and in external trade relationships to help enable them to be more competitive. This paper will review the literature and examine the impact of Blockchain technology on how its adoption may ameliorate many of these critical challenges for developing nations helping to improve governance and economic benefits that are shared more equitably. Potential for both positive and negative impacts with be discussed along with policy implications for public policy makers and private enterprises

Unlocking the hype : an analysis on how blockchain technology could affect hospitality culture

The aim of my thesis is to find the right “key” to unlock the hype surrounding blockchain technology and to find effective applications in the hospitality industry that could change its cultural framework. To do so, hospitality culture and how technology shapes it will be discussed. Blockchain technology is just one of the various innovations that is determining the “liquid” society we live in. For this reason, a general panoramic of the technological and managerial framework will be further discussed. Furthermore, the specificities of the blockchain will be described, considering both its positive and negative aspects. Through the analysis of qualitative and quantitative secondary source data and a comparison with interviews of experts of these sectors, evidence and opinions will be presented in order to discuss this innovative technology from a culture studies perspective

Crypto-currency and blockchain: the revolution of the world economic system and digital identities

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Blockchains and the European Data Protection and Privacy Law

Technology is the application of scientific knowledge. New scientific knowledge produces new technologies and new technologies necessarily expose new vulnerabilities in our laws and legal thinking. Blockchain technology, by allowing us to reduce and even eliminate the role of the middleman in our transactions, triggers a significant paradigm shift in how we deal with value. It is often said in online communities that internet democratizes access to information and blockchain democratizes the access to truth. The aim of this work is to shed light on the unchartered territory of the blockchain with the lenses of the EU data protection and privacy law, and offer an in-depth analysis of the greatest issues the blockchain presents with possible solutions and policy recommendations

A Framework for Verifying the Fixity of Archived Web Resources

The number of public and private web archives has increased, and we implicitly trust content delivered by these archives. Fixity is checked to ensure that an archived resource has remained unaltered (i.e., fixed) since the time it was captured. Currently, end users do not have the ability to easily verify the fixity of content preserved in web archives. For instance, if a web page is archived in 1999 and replayed in 2019, how do we know that it has not been tampered with during those 20 years? In order for the users of web archives to verify that archived web resources have not been altered, they should have access to fixity information associated with these resources. However, most web archives do not allow accessing fixity information and, more importantly, even if fixity information is available, it is provided by the same archive delivering the resource, not by an independent archive or service. In this research, we present a framework for establishing and checking the fixity on the playback of archived resources, or mementos. The framework defines an archive-aware hashing function that consists of several guidelines for generating repeatable fixity information on the playback of mementos. These guidelines are results of our 14-month study for identifying and quantifying changes in replayed mementos over time that affect generating repeatable fixity information. Changes on the playback of mementos may be caused by JavaScript, transient errors, inconsistency in the availability of mementos over time, and archive-specific resources. Changes are also caused by transformations in the content of archived resources applied by web archives to appropriately replay these resources in a user’s browser. The study also shows that only 11.55% of mementos always produce the same fixity information after each replay, while about 16.06% of mementos always produce different fixity information after each replay. The remaining 72.39% of mementos produce multiple unique fixity information. We also find that mementos may disappear when web archives move to different domains or archives. In addition to defining multiple guidelines for generating fixity information, the framework introduces two approaches, Atomic and Block, that can be used to disseminate fixity information to web archives. The main difference between the two approaches is that, in the Atomic approach, the fixity information of each archived web page is stored in a separate file before being disseminated to several on-demand web archives, while in the Block approach, we batch together fixity information of multiple archived pages to a single binary-searchable file before being disseminated to archives. The framework defines the structure of URLs used to publish fixity information on the web and retrieve archived fixity information from web archives. Our framework does not require changes in the current web archiving infrastructure, and it is built based on well-known web archiving standards, such as the Memento protocol. The proposed framework will allow users to generate fixity information on any archived page at any time, preserve the fixity information independently from the archive delivering the archived page, and verify the fixity of the archived page at any time in the future