This paper investigates the transformation of art in the digital age, focusing on the shift from material artworks to immaterial digital assets and the implications for authorship, authenticity, and value. Building on theoretical frameworks related to reproducibility, simulacra, and digital representation, the study examines the emergence of NFTs as blockchain-based mechanisms designed to restore uniqueness and ownership within infinitely reproducible environments.
Alongside the theoretical analysis, the research proposes and tests a custom blockchain solution based on Ethereum smart contracts to manage and certify ownership of digital artworks. The system associates artworks with unique identifiers and enables transparent tracking of transactions without relying on centralized platforms. The results demonstrate that low-cost, decentralized infrastructures can effectively support authentication and ownership management, while also highlighting the conceptual and economic limitations of current NFT ecosystems.