Gravity Alpha Mainnet & Sepolia Testnet (L2)

Gravity Alpha Mainnet & Sepolia Testnet Information

Currently, Gravity is at its Alpha Mainnet stage (an Ethereum Rollup using Arbitrum Nitro stack) as described in this post.

Gravity Alpha Mainnet can be added as a custom network to any EVM-compatible wallet (i.e. MetaMask).

Network

Gravity Alpha Mainnet

Add Gravity Alpha Mainnet to Metamask

• Chain ID: 1625, 0x659

• Currency Symbol / Native Token: G

• RPC Endpoint: https://rpc.gravity.xyz

• Canonical Bridge: https://bridge.gravity.xyz

• Block Explorer:

  • OKX Explorer

  • OKLink

  • Blockscout

• Logo: https://assets.gravity.xyz/chain_logo.png, or visit this link for different versions

Gravity Alpha Testnet Sepolia

Gravity Alpha Testnet Sepolia was reset (pruned the state and started over with block height 0) on March 24th 2025 for testing Celestia DA.

Add Gravity Alpha Testnet Sepolia to Metamask

• Chain ID: 13505, 0x34c1

• Currency Symbol / Native Token: G

• RPC Endpoint: https://rpc-sepolia.gravity.xyz

• Canonical Bridge: https://bridge-sepolia.gravity.xyz

• Block Explorer: https://explorer-sepolia.gravity.xyz

• Logo: https://assets.gravity.xyz/chain_logo.png, or visit this link for different versions

Chain Parameters

Param	Description	G Alpha Mainnet	G Sepolia Testnet
Dispute window	Time for assertions to get confirmed during which validators can issue a challenge	45818 blocks (~ 6.4 days )	20 blocks (~ 4.0 minutes)
Force-include period	Period after which a delayed message can be included into the inbox without any action from the Sequencer	5760 blocks / 24 hours	5760 blocks / 24 hours
Gas speed limit	Target gas/sec, over which the congestion mechanism activates	20,000,000 gas/sec	7,000,000 gas/sec
Gas price floor	Minimum gas price	1800 gwei	0.1 gwei
Block gas limit	Maximum amount of gas that all the transactions inside a block are allowed to consume	32,000,000	32,000,000

NOTE: The parameters, including gas price and gas fee, will take effect at 12:00 PM on August 20, 2024, PDT. Until that time, the chain will operate using experimental parameters for internal testing purposes. NOTE: We lowered the gas price floor from 3600 gwei to 1800 gwei, effective from 12:00 PM on August 22, 2024, PDT.