Blockchain and NFT Security Applications

Digital registries are essential for global commerce, intellectual property protection, and cultural preservation. However, they face challenges like centralization risks and evolving security threats. This chapter proposes a framework that utilizes Non-Fungible Token (NFT) technology to develop secure and transparent digital registry systems. Our decentralized architecture eliminates single points of failure while ensuring high performance. We incorporate smart contracts for automated operations, multi-chain compatibility for scalability, and zero-knowledge proofs for privacy. Experimental validation shows a system performance of 33.22 transactions per second with 26-millisecond latency, outperforming many existing solutions while maintaining cost-effectiveness at 126,276 gas units per registration. Comparative analysis with centralized systems (ISBN, DOI, and ISSN) and blockchain alternatives (ENS and IPFS) highlights significant advantages in security and interoperability. Additionally, our economic analysis suggests potential cost reductions of 60–80% compared to traditional registries, enhancing service quality and accessibility. This research contributes to the practical implementation of blockchain-based registry systems, helping organizations consider NFT adoption while addressing scalability and security needs.