Οι τεχνολογίες που υποστηρίζουν την ανάπτυξη των κρυπτονομισμάτων
Technologies supporting the development of cryptocurrencies

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Keywords
Blockchain ; DLT ; Ethereum ; DeFi ; Layer 2 ; RWA ; DePIN ; Tokenization ; Κρυπτογραφία ; Web3Abstract
This thesis explores the technological evolution, architectural structure, and socioeconomic impact of Blockchain technology, from the inception of Bitcoin in 2008 to modern Web3 applications. The study aims to analyze how Distributed Ledger Technologies (DLT) are transforming from experimental payment systems into a global infrastructure for value settlement. Initially, the theoretical background is examined, including cryptographic algorithms (Hashing, Digital Signatures) and data structures (Merkle Trees), while analyzing the critical transition from the energy-intensive Proof-of-Work (PoW) to the sustainable Proof-of-Stake (PoS) mechanism. Subsequently, the thesis focuses on solving the "Scalability Trilemma" through Modular Architectures and Layer 2 solutions (Rollups), as well as the function of Smart Contracts that underpin Decentralized Finance (DeFi). Particular emphasis is placed on the convergence of technology with the real economy through Real World Asset (RWA) tokenization, Decentralized Physical Infrastructure Networks (DePIN), and Self-Sovereign Identity (SSI), within the context of the new MiCA regulatory framework. Finally, future trends are evaluated, such as post-quantum cryptography and synergy with Artificial Intelligence (Agentic Economy). The central conclusion is that the technological maturity of Blockchain signals the transition from the "Internet of Information" to the "Internet of Value," redefining the concepts of digital ownership and trust.


