eth_chainId - MegaETH RPC Method
Get the chain ID for MegaETH. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on MegaETH.
Why MegaETH? Build on the first real-time blockchain with sub-millisecond latency and 100,000+ TPS with sub-millisecond transaction streaming with 100,000+ sustained TPS and full EVM compatibility.
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
trace_transaction
Get traces for a specific transaction on MegaETH. Requires archive node for high-frequency trading, real-time gaming, instant payments, and latency-sensitive applications.
eth_syncing
Check the sync status of your MegaETH node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.