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Head-to-head · Blockchain Domain Services

SPACE ID vs Rootstock Name Service (RNS)

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score SPACE ID #4 in Blockchain Domain Services 7.8/10 Paid ✓ 2 of 3 features Visit SPACE ID
Rootstock Name Service (RNS) #7 in Blockchain Domain Services 7.5/10 Paid ✓ 2 of 3 features Visit Rootstock RNS

SPACE ID leads on 0 checks, Rootstock Name Service (RNS) 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 scoreSPACE ID · 7.8/10

SPACE ID scores higher on our rubric for blockchain domain services: 7.8 against 7.5 out of 10; our editors rank them #4 and #7.

Rootstock Name Service (RNS) offers web3 website hosting; SPACE ID doesn't.

SPACE ID is the better fit for users needing name services across many chains. Rootstock Name Service (RNS) is the better fit for rootstock users seeking wallet and website naming.

  • SPACE ID fits best

    Users needing name services across many chains

  • Rootstock Name Service (RNS) fits best

    Rootstock users seeking wallet and website naming

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature SPACE ID 7.8/10 Visit ↗ Rootstock Name Service (RNS) 7.5/10 Visit ↗
At a glance
Editor score 7.8 7.5
Ranking #4 in Blockchain Domain Services #7 in Blockchain Domain Services
Best for Users needing name services across many chains Rootstock users seeking wallet and website naming
Pricing model Paid Paid
Starting price Not checked yet —
Free plan Not checked yet —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features SPACE ID 2/3 · Rootstock Name Service (RNS) 2/3
Wallet resolution ✓ ✓
Web3 website hosting — ✓ (best)
Identity features ✓ (best) Not checked yet
Specs
Supported blockchains 23 Not checked yet
Domain extensions Not checked yet 1
Our review
Pros
  • 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.
  • Maps readable .rsk names to addresses across multiple chains
  • Supports reverse lookup, subdomains and ownership transfers
  • Links names to IPFS/IPNS websites and integrates with wallets
Cons
  • Registration fees vary by domain length, duration and network gas.
  • No web3 website hosting.
  • Support channels listed are documentation.
  • Focused on .rsk names rather than a broad range of extensions
  • Requires paid registration and renewals; no free plan
  • Access is through a web manager, with documentation as the support channel
Our verdict

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 →

Rootstock Name Service (RNS), also called RIF Name Service, is a decentralized naming service for Rootstock users who want readable names in place of blockchain addresses. Its .rsk names can resolve to wallet and other blockchain…

Read the review →
  1. SPACE IDBlockchain Domain Services 7.8Paid
  2. Rootstock Name Service (RNS)Blockchain Domain Services 7.5Paid

Strengths and trade-offs

  • 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.

  • Rootstock Name Service (RNS) — where it wins

    • Maps readable .rsk names to addresses across multiple chains
    • Supports reverse lookup, subdomains and ownership transfers
    • Links names to IPFS/IPNS websites and integrates with wallets

    Where it doesn't

    • Focused on .rsk names rather than a broad range of extensions
    • Requires paid registration and renewals; no free plan
    • Access is through a web manager, with documentation as the support channel

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