Blockchair vs Otterscan
A detailed head-to-head comparison of Blockchair and Otterscan — pricing, features, and which one wins for different use cases.
Blockchair
Multi-blockchain explorer and search engine across 40+ networks
Blockchair is a multi-blockchain explorer and search engine that indexes 40+ networks — including Bitcoin, Ethereum, and many major chains — under one unified interface, positioning itself as a 'searc…
Full review →Otterscan
Fast, self-hosted open-source explorer that runs on your own Erigon node
Otterscan is a free, open-source, self-hosted block explorer designed to run directly on top of your own Erigon (or compatible) Ethereum node, giving you an Etherscan-like experience with complete pri…
Full review →Feature Comparison
| Feature | Blockchair | Otterscan |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✗ | ✗ |
| Token Tracking | ✓ | ✓ |
| Nft Tracking | ✓ | ✗ |
| Api Access | ✓ | ✗ |
| Multi Chain Support | ✓ | ✗ |
| Gas Tracker | ✗ | ✗ |
| Source Code Viewer | ✗ | ✓ |
| Address Labels | ✓ | ✓ |
| Private Notes | ✗ | ✗ |
Blockchair Pricing
Blockchair
Free
Free
- ✓40+ chain explorer
- ✓Cross-chain search
- ✓Charts + analytics
- ✓Basic API access
Blockchair
API / Data
Custom
- ✓Higher API limits
- ✓Bulk data dumps
- ✓Advanced querying
- ✓Commercial licensing
Otterscan Pricing
Otterscan
Free
Free
- ✓Fully open-source
- ✓Self-hosted on your Erigon node
- ✓Private, fast local lookups
- ✓Internal-tx tracing
- ✓Approval + history analysis
Verdict: Which Should You Choose?
Blockchair is the better pick if you need indexes 40+ blockchains under one search interface. Otterscan wins when runs on your own node — fully private, no third-party queries. Both are production-ready — the right choice depends on your team's workflow and budget.