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eth_getBlockByHash - Flow EVM RPC Method

Retrieve complete block data by block hash on Flow EVM Gateway. Essential for NFT developers, gaming studios, and Solidity devs seeking Cadence interoperability building on the EVM-equivalent layer on Flow blockchain enabling Cadence+Solidity composability.

Returns information about a block by hash on Flow EVM Gateway.

Why Flow EVM? Build on the EVM-equivalent layer on Flow blockchain enabling Cadence+Solidity composability with full EVM equivalence on Flow, atomic multi-operation transactions, 40% lower gas fees, and 473% contract growth in 2025.

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 consumer NFTs (NBA Top Shot, Disney Pinnacle), gaming dApps, and hybrid Cadence-EVM applications
  • Deterministic queries - Get consistent block data regardless of chain state

Code Examples

Error Handling

Error CodeMessageDescription
-32602Invalid paramsInvalid block hash format
-32000Block not foundBlock with this hash does not exist