# Space ID
> Space ID is a universal name service network that allows users to register Web3 domains across multiple blockchains, aiming to be a one-stop identity platform for the decentralized world.
- URL: https://optimly.ai/brand/space-id
- Logo: https://logo.clearbit.com/https://spaceid.io/
- Slug: space-id
- BAI Score: 34/100
- Archetype: Challenger
- Category: Blockchain & Web3
- Last Analyzed: July 1, 2026
## Buyer Intent Signals
Problems: managing multiple crypto addresses | lack of unified Web3 profile | difficulty remembering complex wallet addresses | cross-chain identity challenges | fragmented Web3 user experience
Solutions: decentralized domain registration | Web3 naming service | unified Web3 identity | SDK for dApp integration | multi-chain identity resolver
Comparisons: Space ID reviews | Space ID vs ENS comparison | cost of Space ID domain | Space ID security | Space ID tokenomics