Το blockchain στη σύγχρονη οικονομία : πρακτικά και νομικά ζητήματα
Blockchain in the modern economy : practical and legal aspects
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Keywords
Blockchain ; Τεχνολογία κατανεμημένου καθολικού ; Smart contracts ; Ψηφιακές συναλλαγές ; Σύγχρονη οικονομία ; Αποκεντρωμένη οικονομία ; DeFi ; Αποκεντρωμένες εφαρμογές ; dApps ; Πρακτικές εφαρμογές ; Νομικοί προβληματισμοί ; NFT ; Metaverse ; Εφοδιαστική αλυσίδα ; Υγεία ; Ηλεκτρονική ψηφοφορίαAbstract
This thesis is a comprehensive presentation of the world of blockchain and its impact on the modern economy. It starts from the origins of this technology, which can be traced back to the idea of a distributed ledger, and continues with the invention of cryptocurrencies and the subsequent developments that occurred. Blockchain's progress is attributed to its fundamental principles of decentralization and immutability and to a unique combination of features such as security, transparency, and technological versatility.
Through a series of case studies, it illustrates a broad range of practical applications of blockchain in industries such as the supply chain, healthcare, e-voting, digital goods, and legal processes. Each case study includes real-world examples that highlight the effectiveness of blockchain and the extent of its penetration. Moreover, smart contracts, no longer just a theoretical construct by virtue of the blockchain, are addressed extensively. The challenges and opportunities inherent to smart contracts as well as their legal implications are also highlighted.
An important part of this thesis is dedicated to the regulatory landscape surrounding blockchain. There is an in-depth discussion of global efforts to create a common legal approach, privacy and data protection concerns, and consumer protection, including an analysis of key EU regulations such as the GDPR, and MiCA.
Finally, the paper focuses on emerging trends, such as interoperability, decentralized finance (DeFi), and the integration of blockchain with artificial intelligence. In this regard, the technical and social challenges that hinder the wider adoption of blockchain are identified. To conclude, some general takeaways and closing thoughts on the future of blockchain are provided.