0xb.link is valuable because "0xb" suggests hexadecimal notation commonly used in programming, indicating tech or crypto-related contexts. The concise, memorable nature paired with ".link" TLD enhances its appeal, implying connectivity or networking. It's ideally suited for technology, blockchain startups, or digital link services, offering an intriguing, branded online hub for innovative projects or communities seeking a unique identity in a digital space crowded with common TLDs like .com or .net.