Arbitrum (ARB)

An optimistic rollup Layer 2 scaling solution for Ethereum that batches transactions before submitting them to Ethereum's main chain , delivering reduced costs, faster settlement, and full EVM compatibility, ranking among the largest Layer 2 networks by total value locked.

What is Arbitrum?

An optimistic rollup that processes transactions off-chain and submits batched results to Ethereum, providing Ethereum-equivalent security with significantly lower costs and faster settlement , while maintaining full compatibility with the EVM development environment.

Bitcoin is the first decentralized cryptocurrency, created in 2009 by an individual or group using the pseudonym Satoshi Nakamoto. It operates as a peer-to-peer electronic payment system that enables direct transactions between users without intermediaries such as banks or payment processors.

Bitcoin transactions are secured using the SHA-256 cryptographic algorithm and recorded on a distributed public ledger called a blockchain, maintained across thousands of computers worldwide. New blocks are added approximately every 10 minutes.

Optimistic Rollup Architecture

Arbitrum operates as an optimistic rollup, a technical approach that batches multiple transactions together before submitting them to Ethereum's main chain for final verification. Transactions are assumed valid by default ('optimistically'), with a challenge window enabling fraud proofs if incorrect state is submitted.

Reduced Costs & Faster Settlement

By processing transactions off-chain and batching them for Ethereum submission, Arbitrum dramatically reduces per-transaction costs compared to Ethereum mainnet execution. Settlement times are faster for most operations, with finality subject to the optimistic challenge period.

Full EVM Compatibility

The platform maintains compatibility with Ethereum's development environment, allowing applications built for Ethereum to operate on Arbitrum with minimal modifications. Developers can deploy existing Solidity contracts and use standard Ethereum tooling without significant rework.

Ethereum Security Inheritance

As a rollup, Arbitrum inherits Ethereum's security properties , final transaction validity is settled on Ethereum's main chain, providing cryptographic guarantees backed by Ethereum's validator set rather than requiring an independent consensus mechanism.

Leading TVL Among Layer 2 Networks

Arbitrum ranks among the largest Layer 2 networks by total value locked (TVL) , a metric measuring cryptocurrency assets deposited across its protocols. This reflects significant adoption of the network as infrastructure for DeFi applications requiring Ethereum-level security at lower cost.

Established DeFi Ecosystem

Several established decentralized applications operate on Arbitrum, including the derivatives platform GMX, the lending protocol Radiant, Uniswap V3, and the leveraged trading platform Gains Network , demonstrating the network's capacity to support diverse financial primitives and use cases.

Ecosystem & Adoption

Arbitrum has become a primary destination for DeFi applications seeking Ethereum security at Layer 2 costs, with a deep ecosystem of protocols spanning derivatives, lending, decentralized exchanges, and leveraged trading.

DeFi Protocol Ecosystem

GMX for perpetual derivatives, Radiant for cross-chain lending, Uniswap V3 for spot trading, and Gains Network for leveraged positions collectively represent the breadth of financial services available on Arbitrum , providing users with a full DeFi stack at Layer 2 economics.

ARB Governance Token

The ARB token enables governance participation in the Arbitrum DAO, allowing token holders to vote on protocol upgrades, treasury allocation, and strategic decisions for the Arbitrum ecosystem , distributing protocol governance to the community of users and developers.

Arbitrum Orbit , L3 Chains

Arbitrum's technology stack supports the creation of application-specific Layer 3 chains (Orbit chains) that settle to Arbitrum rather than directly to Ethereum , extending the rollup model into a multi-layer architecture for specialized application deployments.

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