Web3 domains are experiencing a shift toward professional use in 2026, moving beyond speculative investment to practical utility. Companies like Unstoppable Domains and ENS (.eth) are leading the market, with ENS holding about 85% of market share on Ethereum. These blockchain-based domains function as NFTs, giving users total control over their digital identity across decentralized applications. The domains enable easy crypto payments using human-readable names instead of complex wallet addresses, provide censorship resistance, and serve as portable digital profiles. In 2025 alone, over 3.3 million new Web3 domains were registered. Despite growing adoption, challenges remain including naming collisions between platforms and limited actual website hosting. The market for decentralized digital identity is expected to grow from $6.9 billion today to over $100 billion by 2035, driven by increasing integration with financial and tech applications.