Blockchain-based DNS: Current Solutions and Challenges to Adoption

Giamouridis, George, Kang, Boojoong and Aniello, Leonardo (2024) Blockchain-based DNS: Current Solutions and Challenges to Adoption. 6th Distributed Ledger Technologies Workshop, Aldo Moro Auditorium, Turin, Italy. 14 - 15 May 2024.

Record type: Conference or Workshop Item (Paper)

Abstract

The Domain Name System (DNS) is a fundamental component responsible for the translation of domain names into IP addresses. Traditional DNS relies on centralised authorities for domain registration and resolution, raising concerns about censorship, security, and trust. In response to these challenges, blockchain-based DNS (BDNS) solutions have emerged, promising decentralisation, security, and resilience. This paper reviews existing works on BDNS and their potential to transform the domain name landscape. Each BDNS solution is analysed in terms of its objectives, operational mechanisms, supported Top Level Domains (TLD) and limitations. The state of the art of BDNS is discussed to identify the key challenges hindering its widespread adoption, ranging from technical difficulties (scalability, performance, integration with existing infrastructure) to security concerns, and to governance and regulatory considerations.

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