vitalik.life is valuable because the name "Vitalik" is closely associated with Vitalik Buterin, the co-founder of Ethereum, which suggests a connection to innovation and technology. The ".life" extension adds a personal or lifestyle dimension, enhancing the domain’s appeal for a blog or brand related to life insights, achievements, and philosophies of influential figures in tech. This specific combination targets both tech enthusiasts and broader audiences interested in the interplay of technology and personal development.