eth_getBlockByHash - Unichain RPC Method
Retrieve complete block data by block hash on Unichain. Essential for DeFi developers, liquidity protocol builders, and teams building on the Optimism Superchain building on Uniswap's DeFi-optimized Superchain L2 with 250ms sub-blocks and 95% lower costs than Ethereum.
Returns information about a block by hash on Unichain.
Why Unichain? Build on Uniswap's DeFi-optimized Superchain L2 with 250ms sub-blocks and 95% lower costs than Ethereum with 250ms sub-blocks (fastest L2), TEE-secured block building, native Superchain interoperability, and 65% revenue to validators.
Use Cases
The eth_getBlockByHash method is essential for:
- Block verification - Verify block data using its unique hash
- Chain reorganization handling - Track blocks during reorgs
- Cross-chain bridges - Verify block finality for decentralized exchanges, liquidity protocols, and MEV-protected DeFi applications
- Deterministic queries - Get consistent block data regardless of chain state
Code Examples
Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32602 | Invalid params | Invalid block hash format |
| -32000 | Block not found | Block with this hash does not exist |
Related Methods
eth_getBlockByNumber- Get block by numbereth_blockNumber- Get latest block number
eth_getBlockByNumber
Retrieve complete block data by block number on Unichain. Perfect for DeFi developers, liquidity protocol builders, and teams building on the Optimism Superchain building on Uniswap's DeFi-optimized Superchain L2 with 250ms sub-blocks and 95% lower costs than Ethereum.
eth_getBlockReceipts
Return every transaction receipt in a block on Unichain. Useful for indexers, analytics pipelines, and event backfills across decentralized exchanges, liquidity protocols, and MEV-protected DeFi applications.