A stable and main Arbitrum testnet (421613) on the Nitro roll-up stack.
Officially the Nitro Goerli Rollup Testnet (421613), is now the primary, stable Arbitrum testnet moving forward. As of late 2022, developers and validator node runners can now use Infura, QuickNode, and Alchemy, to interact with Arbitrum One, which is in mainnet beta, including the admin controls.
Use Web3's Most Scalable and Reliable RPC Nodes
Sign up for a free Alchemy Account
Alchemy combines the most powerful web3 developer products and tools with resources, community and legendary support.