Arbitrum

Introduction

The Arbitrum network is a Layer 2 scaling solution for Ethereum, designed to enhance the speed and cost-efficiency of transactions while maintaining the security and decentralization of the Ethereum blockchain. It achieves this by leveraging Optimistic Rollups, a technology that processes transactions off-chain and posts summarized data to Ethereum for verification.

Key Features of Arbitrum:

1. Layer 2 Scaling:

   • Arbitrum processes most transactions off-chain, reducing congestion and lowering fees compared to Ethereum's mainnet.

2. Optimistic Rollups:

   • This approach assumes transactions are valid ("optimistically") and only runs computation on-chain if there is a challenge, enhancing efficiency.

3. Ethereum Compatibility:

   • Fully compatible with Ethereum smart contracts, allowing developers to migrate existing dApps to Arbitrum with minimal changes.

4. Low Fees:

   • By processing transactions off-chain, Arbitrum significantly reduces gas fees for users.

5. Fast Transactions:

   • Transactions are processed more quickly than on the Ethereum mainnet, improving user experience.

6. Secure by Ethereum:

   • All data and transaction proofs are ultimately secured by Ethereum's robust consensus mechanism.

7. Arbitrum One:

   • The flagship rollup chain under the Arbitrum ecosystem, widely used for decentralized finance (DeFi) and NFT applications.

8. Arbitrum Nova:

   • A separate chain optimized for gaming and social applications with high transaction throughput needs.

Arbitrum is popular among developers and users seeking cost-effective, scalable solutions while leveraging Ethereum's decentralized and secure environment.

How to Interact

1. Get your API Key from DevTools.

1. Test the query as follow:

curl https://rpc-mainnet-arbitrum-fullnode.forbole.com \
  -X POST \
  -H "Content-Type: application/json" \
  -H "apikey: {apiKey}" \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber"}'

Response Example

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": "0x10c288b1"
}