eth_getBlockByHash - Arbitrum RPC Method
Retrieve complete block data by block hash on Arbitrum. Essential for DeFi developers, protocol teams, and dApp builders seeking Ethereum scalability building on Ethereum's leading Layer 2 with 46% L2 market share and $12B+ TVL.
Returns information about a block by hash on Arbitrum.
Why Arbitrum? Build on Ethereum's leading Layer 2 with 46% L2 market share and $12B+ TVL with full EVM compatibility, 1.5M daily transactions, and $3B+ DAO treasury for ecosystem growth.
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 high-volume DeFi (GMX, Uniswap, Aave), gaming, and cross-chain 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 Arbitrum. Perfect for DeFi developers, protocol teams, and dApp builders seeking Ethereum scalability building on Ethereum's leading Layer 2 with 46% L2 market share and $12B+ TVL.
eth_getBlockReceipts
Return every transaction receipt in a block on Arbitrum. Useful for indexers, analytics pipelines, and event backfills across high-volume DeFi (GMX, Uniswap, Aave), gaming, and cross-chain applications.