1.0x.city is valuable because "1" often signifies primacy or being first, suggesting top preference in a city-related service or ranking. The structure "0x" might hint at hexadecimal or technological contexts, appealing to tech-oriented audiences or developers. Combined in the non-standard TLD .city, it gives a futuristic, tech-forward image for urban-centric platforms, from smart city initiatives to urban tech start-ups, making it appealing for brands emphasizing innovation and leadership in urban technology.