What is Blockbook
Blockbook is a blockchain backend service originally developed by Trezor for Trezor Suite. It aims at providing comprehensive address and balance indexing mostly for Bitcoin. It also supports various altcoins, including Ethereum, Litecoin, Dogecoin, and more.
The service includes:
- Instant index searching
- Simple blockchain explorer API
- WebSocket, REST, and legacy API interfaces
- Easy extension to other blockchain networks
- Optimized RocksDB storage and efficient memory management
Benefits of using Blockbook
Web3 developers benefit from Blockbook's multi-coin support. It eliminates the necessity of having different indexing services for different blockchain networks and significantly reduces infrastructure cost and complexity.
The service has various integration opportunities with guaranteed compatibility:
- WebSockets support
- REST APIs support
- socket.io interfaces
- Fast indexing
- Address monitoring and search capabilities
All these features make address monitoring and balance tracking real-time much easier. It's essential for the creation of responsive Web3 apps, wallets, and blockchain explorers requiring immediate access to on-chain information.

