$ARB

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Arbitrum is a Layer-2 scaling solution for Ethereum, designed to improve transaction speed and reduce fees. It uses optimistic rollups to process transactions off-chain and then submits them to the Ethereum mainnet for final settlement. This approach enables Arbitrum to achieve higher throughput and lower costs compared to Ethereum.

Key Features:

- Fast Transactions: Arbitrum processes transactions quickly, with block times of 0.25 seconds, compared to Ethereum's 12 seconds.

- Low Fees: Arbitrum's gas fees are significantly lower, at $0.0058, compared to Ethereum's $0.44.

- Scalability: Arbitrum can handle a higher volume of transactions per second, making it a more scalable solution.

- Ethereum Compatibility: Arbitrum supports Solidity-based smart contracts and is fully compatible with Ethereum's data structures and virtual machines.

Arbitrum Ecosystem:

*Arbitrum One: A public rollup chain for secure decentralized applications (dApps).

*Arbitrum Nova: A chain designed for gaming and social applications, prioritizing lower fees and higher transaction throughput.

*Arbitrum Orbit: A software development kit for launching custom chains using Arbitrum technology.

*Stylus: A programming solution allowing developers to write smart contracts in languages like Rust, C, and C++ .