What is SPACE ID (ID)?

By CMC AI
17 May 2026 12:38PM (UTC+0)
TLDR

SPACE ID is a universal name service network that provides a one-stop platform for discovering, registering, trading, and managing Web3 domains across multiple blockchains.

  1. Universal Identity Platform: It acts as a hub for creating and managing human-readable Web3 domains (like .bnb or .arb), replacing complex wallet addresses.

  2. Multichain Infrastructure: The service operates across more than 25 blockchains, offering developers an SDK and API to easily integrate domain functionality.

  3. Scalable Ecosystem: With over 6.7 million domains registered and 377 platform integrations, it functions as foundational identity infrastructure for the entire Web3 space.

Deep Dive

1. Purpose & Value Proposition

SPACE ID solves the problem of fragmented and technically complex digital identities in Web3. Instead of using long, cryptic wallet addresses (e.g., 0x...), users can register a simple, memorable name like "alice.bnb". This human-readable domain works as a unified identity across different blockchains and applications, making crypto transactions more accessible and reducing errors. The project's core mission is to build a "universal name service network" that serves as a foundational layer for on-chain identity (CoinMarketCap).

2. Technology & Architecture

The project is not a standalone blockchain but a protocol built on smart contracts across multiple networks. Its key technical offering is a Web3 Name SDK and API, which allows developers on any supported chain to easily add domain registration and resolution features to their wallets, dApps, or explorers. This multichain approach is a major differentiator, as SPACE ID supports 25+ chains including BNB Chain, Arbitrum, and Ethereum, enabling true interoperability.

3. Ecosystem Fundamentals

The platform's core functionality revolves around its domain marketplace and identity tools. Users can discover, register, trade, and manage their domains in one place. Beyond personal use, its infrastructure is critical for emerging trends like verifying AI agents, giving them a recognizable on-chain name to build trust. Adoption is evident in its scale: 6.7M+ domains have been registered by 2.7M+ unique owners, and its domains are supported in major wallets like Binance Wallet and OKX Wallet, demonstrating real, integrated usage (SPACE ID).

Conclusion

SPACE ID is fundamentally a multichain identity layer that translates complex blockchain addresses into simple, portable Web3 usernames. As digital and AI-driven interactions grow, how will such universal naming systems become the default passport for on-chain activity?

CMC AI can make mistakes. Not financial advice.