In the evolving landscape of technological discourse, non-fungible tokens (NFTs) have risen as pivotal instruments, notably within gaming and digital art. However, their implications are broader, touching upon real-world applications such as land titles and supply chain management. As the Web 3.0 architecture evolves, the role of NFTs in domain nomenclature and email addresses is increasingly significant. Yet, with the existence of alternate methods for these operations, a pertinent question emerges: Why opt for NFTs or blockchain-based solutions? Despite uncertainties surrounding adoption, many early adopters are zealously securing addresses on these avant-garde networks. This chapter delves into the conditions and reasons for considering this nascent technology.