Arbitrum is an Ethereum layer-two (L2) scaling solution that uses optimistic rollups to enhance speed, scalability, and cost-efficiency while maintaining Ethereum's security and compatibility. By moving most computation and storage off-chain, Arbitrum achieves higher throughput and lower transaction fees compared to Ethereum. The native token of Arbitrum, ARB, serves as a governance token. The project transitioned to a decentralized autonomous organization (DAO) structure, allowing ARB holders to vote on proposals related to protocol upgrades, feature implementations, fund allocation, and the election of a Security Council. Key developments in Arbitrum's roadmap include the introduction of Orbit, a layer-three solution; support for additional programming languages like Rust and C++ through Stylus; expansion of its validator set to include more independent institutional validators; and the migration of its protocol to layer two with Arbitrum One. A portion of the ARB token supply was distributed to early users and DAOs building on the network through an airdrop. The allocation was determined based on user activity within the Arbitrum ecosystem prior to a specified cutoff date. (Note: Time-specific details about the airdrop and token generation event have been omitted to maintain an evergreen format.) Here’s a refined version of your text with improved clarity and readability while maintaining the original meaning and tone: --- **Arbitrum** is developed by **Offchain Labs**, a New York-based blockchain technology company. The project was founded by **Ed Felten**, **Steven Goldfeder**, and **Harry Kalodner**, all of whom are former Princeton University researchers with extensive backgrounds in computer science, cryptography, and blockchain. - **Ed Felten** is a computer science professor at Princeton University and previously served as Deputy Chief Technology Officer under President Obama. He is a co-founder and the Chief Scientist of Offchain Labs. - **Steven Goldfeder** holds a Ph.D. in computer science from Princeton and is an entrepreneur. He serves as the co-founder and CEO of Offchain Labs. - **Harry Kalodner** is a computer scientist and was a Ph.D. candidate at Princeton. He is a co-founder and the Chief Technology Officer of Offchain Labs. In 2021, Offchain Labs secured **$120 million** in a **Series B funding round** led by **Lightspeed Venture Partners**, valuing the company at **$1.2 billion**. Other notable investors include **Polychain Capital**, **Pantera Capital**, and **Mark Cuban**, among others. --- This version removes unnecessary links, avoids speculative statements, and keeps the content factual and evergreen. Let me know if you'd like any further refinements! Arbitrum distinguishes itself from other Ethereum scaling solutions by leveraging optimistic rollups. The platform offers several key advantages: **Compatibility:** Arbitrum supports unmodified Ethereum Virtual Machine (EVM) contracts and transactions, allowing existing Ethereum decentralized applications (DApps) to run seamlessly without code changes. **Scalability:** The network processes thousands of transactions per second with low fees and fast finality while maintaining Ethereum’s security guarantees. **Flexibility:** Developers can deploy programs written in languages like Rust and C++ using Stylus, an upcoming EVM+ equivalence feature. **Decentralization:** Arbitrum relies on a decentralized validator network where participants stake ARB tokens to secure the network and earn fees, eliminating dependence on centralized operators. The Arbitrum ecosystem includes a wide range of DApps, wallets, and tools, making it one of the leading Ethereum scaling solutions. Some notable protocols on the network include: - GMX (GMX) - Treasure (MAGIC) - Camelot (GRAIL) - Radiant Capital (RDNT) - Vela Exchange (VELA) - ZyberSwap (ZYB) - Dopex (DPX) - PlutusDAO (PLS) - TridentDAO (PSI) - Jones DAO (JONES) Arbitrum has demonstrated significant growth in adoption, as reflected in its total value locked (TVL). At its peak, the network reached a TVL of $3.2 billion, and it remains one of the largest Layer 2 ecosystems by TVL. *(Note: TVL figures are subject to change based on market conditions.)* ARB is the native governance token of Arbitrum. The token enables decentralized governance of the Arbitrum ecosystem, allowing holders to vote on proposals for the Arbitrum One and Arbitrum Nova chains. Governance decisions may include network upgrades, parameter adjustments, treasury fund allocations, and feature integrations. Unlike ETH on the Ethereum network, ARB is not used for gas fees. Transactions on Arbitrum are paid in ETH or other supported ERC-20 tokens. ARB holders can stake their tokens to participate in network security and earn rewards. The total supply of ARB is capped at 10 billion tokens, distributed as follows: - Arbitrum DAO Treasury: 42.78% (4.278 billion) - Offchain Labs teams and advisors: 26.94% (2.694 billion) - Investors: 17.53% (1.753 billion) - Airdrop to users: 11.62% (1.162 billion) - Airdrop to DAOs: 1.13% (113 million) Arbitrum relies on the Ethereum network for security, leveraging Ethereum's consensus mechanism to ensure the validity of transactions. This means Ethereum verifies the accuracy of Arbitrum's off-chain computations and confirms data availability. Arbitrum uses optimistic rollups to process transactions off-chain before bundling them into batches for submission to Ethereum. The term "optimistic" indicates that transactions are presumed valid by default, without requiring immediate proof. However, if a dispute arises, there is a window of time during which participants can submit fraud proofs to challenge any questionable transactions. ARB is available for trading on multiple centralized exchanges, including Binance, Coinbase, KuCoin, Bybit, Kraken, and Bitfinex. It can also be traded on decentralized exchanges such as Uniswap V3 (Ethereum), Uniswap V3 (Arbitrum), and SushiSwap (Arbitrum). For real-time price tracking, you can monitor ARB using DroomDroom. Here’s a revised version of your text with improved clarity, readability, and evergreen content while preserving the original meaning: --- **Learn more about Optimism (OP), an optimistic rollup solution for Ethereum.** **Discover how to add Arbitrum to MetaMask.** **Explore our comprehensive guide to the Arbitrum ecosystem.** **Dive into our detailed overview of the top protocols by TVL on Arbitrum.** **Stay updated with the latest cryptocurrency insights and analysis on DroomDroom.** --- This version removes time-sensitive references, eliminates external links, and maintains a neutral, factual tone. Let me know if you'd like any further refinements!