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In this paper we aim to present the theoretical foundations of virtual currencies, distinguishing them from legal tender, and to explore the blockchain technology that underpins their creation. We classify the existing virtual currencies into three categories (cryptocurrencies, stablecoins, and Central Bank Digital Currency), and analyze their characteristics and market evolution. We also present the evolution of popular cryptocurrencies, bitcoin and Ethereum, underline their market dynamics, historical price tren...

Field trips have long been heralded as an invaluable component of natural sciences education, offering direct engagement with the real world and fostering critical competencies such as environmental insight. However, traditional field trips often face significant barriers, including economic and logistical challenges and a general lack of familiarity among educators with these activities. Virtual field trips (VFTs) present a solution by mitigating these issues digitally. This work proposes a theoretical and practi...

The shape of all constructions has its origin in a geometric shape, such as a cuboid, a pyramid or a cylinder. Every builder (architect or civil engineer) has determined the choice of geometric shape for the requirements of a building primarily by its purpose, but in addition to this utilitarian condition, he also wanted to achieve a certain aesthetic impression. This desire to achieve the desired aesthetic impression led to the use of increasingly complex shapes and their combinations, and this became even easier...

Women’s inheritance rights in biblical and European contexts are complex topics that have been extensively studied by scholars in various fields such as history, theology, and social studies. In both contexts, women’s inheritance rights were influenced by cultural norms, religious beliefs and legal systems. Biblically, women’s inheritance rights are emphasized in the Old Testament, especially in the laws of Moses found in books such as Deuteronomy and Numbers. These laws provide clear guidelines for the dist...

The European Union’s Agenda 2023 underscores its robust commitment to achieving the United Nations Sustainable Development Goals (SDGs) through a comprehensive and coordinated approach. This agenda focuses on integrating the SDGs into all EU policies and initiatives, ensuring that economic, social, and environmental dimensions are addressed simultaneously. Social sustainability is a critical dimension of sustainable development that focuses on maintaining and improving the well-being of current and future genera...