eth_chainId - Berachain RPC Method
Get the chain ID for Berachain. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on Berachain.
Why Berachain? Build on the Proof-of-Liquidity L1 with $3.2B+ TVL and innovative three-token economics with Proof-of-Liquidity consensus, three-token model (BERA/BGT/HONEY), $142M funding, and unified validator-DeFi incentive alignment.
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 Berachain. Requires archive node for liquidity-aligned DeFi (Infrared, Kodiak), yield farming, and validator-integrated liquidity incentives.
eth_syncing
Check the sync status of your Berachain node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.