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Head-to-head · Blockchain Domain Services

Namecoin vs SPACE ID

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Namecoin #2 in Blockchain Domain Services 8.2/10 Open source ✓ 2 of 3 features Visit Namecoin
SPACE ID #4 in Blockchain Domain Services 7.8/10 Paid ✓ 2 of 3 features Visit SPACE ID

Namecoin leads on 0 checks, SPACE ID on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNamecoin · 8.2/10

Namecoin scores higher on our rubric for blockchain domain services: 8.2 against 7.8 out of 10; our editors rank them #2 and #4.

SPACE ID leads on supported blockchains: 23 versus 1.

Namecoin is the better fit for users who want established .bit naming and privacy. SPACE ID is the better fit for users needing name services across many chains.

  • Namecoin fits best

    Users who want established .bit naming and privacy

  • SPACE ID fits best

    Users needing name services across many chains

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Side by side

Feature Namecoin 8.2/10 Visit ↗ SPACE ID 7.8/10 Visit ↗
At a glance
Editor score 8.2 7.8
Ranking #2 in Blockchain Domain Services #4 in Blockchain Domain Services
Best for Users who want established .bit naming and privacy Users needing name services across many chains
Pricing model Free Paid
Starting price Open source Not checked yet
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Self-hosted, Desktop Cloud
Platforms Windows, Linux, macOS Web
Support Community, Docs Docs
Built for Solo, Small business Solo, Small business, Mid-market, Enterprise
Features Namecoin 2/3 · SPACE ID 2/3
Wallet resolution ✓ ✓
Web3 website hosting Not checked yet —
Identity features ✓ ✓
Specs
Supported blockchains 1 23 (best)
Domain extensions 1 Not checked yet
Our review
Pros
  • Manage .bit names, including registration, transfer, updates, and renewal
  • Bridge .bit lookups to DNS with ncdns
  • Support private lookups and decentralized TLS validation
  • Search, register, trade and manage names from a web application.
  • Supports domain-to-address and address-to-primary-name resolution.
  • Web3 Name SDK and HTTP API support integrations.
Cons
  • Requires desktop or self-hosted setup rather than a turnkey hosted service
  • Name operations require NMC and a dynamically determined transaction fee
  • Support is community- and documentation-based
  • Registration fees vary by domain length, duration and network gas.
  • No web3 website hosting.
  • Support channels listed are documentation.
Our verdict

Namecoin is open-source blockchain software for registering and managing names with associated data. Its `d/` namespace supports `.bit` domain names, while other namespaces can hold identity and other name types. The product suits…

Read the review →

SPACE ID brings Web3 domain discovery, registration, trading and management together for people and teams working with blockchain-based names. Its web application aggregates supported name services, including names such as .bnb, .arb and…

Read the review →
  1. NamecoinBlockchain Domain Services 8.2Open source
  2. SPACE IDBlockchain Domain Services 7.8Paid

Strengths and trade-offs

  • Namecoin — where it wins

    • Manage .bit names, including registration, transfer, updates, and renewal
    • Bridge .bit lookups to DNS with ncdns
    • Support private lookups and decentralized TLS validation

    Where it doesn't

    • Requires desktop or self-hosted setup rather than a turnkey hosted service
    • Name operations require NMC and a dynamically determined transaction fee
    • Support is community- and documentation-based

  • SPACE ID — where it wins

    • Search, register, trade and manage names from a web application.
    • Supports domain-to-address and address-to-primary-name resolution.
    • Web3 Name SDK and HTTP API support integrations.

    Where it doesn't

    • Registration fees vary by domain length, duration and network gas.
    • No web3 website hosting.
    • Support channels listed are documentation.

More comparisons

All blockchain domain services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update