eth_chainId - Scroll RPC Method
Get the chain ID for Scroll. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on Scroll.
Why Scroll? Build on the largest zkEVM by market share with $750M+ TVL and bytecode-level Ethereum equivalence with bytecode-level EVM equivalence, native Hardhat/Remix/MetaMask support, decentralized proof validation, and Scroll SDK for L2/L3 deployment.
Use Cases
The eth_chainId method is essential for:
- Transaction signing - Ensure transactions are signed for the correct network
- Network verification - Confirm connection to the expected chain
- Multi-chain apps - Handle different networks programmatically
- Wallet integration - Validate network before transactions
Code Examples
Related Methods
net_version- Get network versioneth_syncing- Check sync status
debug_traceTransaction
Trace a transaction execution on Scroll. Requires archive node for debugging zero-migration DeFi protocols, zkEVM-native dApps, and 100+ ecosystem projects with native Ethereum tooling.
eth_syncing
Check the sync status of your Scroll node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.