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Arbitrum

  • What it is:Arbitrum is a Layer 2 optimistic rollup scaling solution for Ethereum that processes transactions off-chain to reduce fees and increase speed while inheriting Ethereum's security.
  • Best for:DeFi protocols needing high TPS, Ethereum dApp developers, Gaming/NFT projects
  • Pricing:Free tier available, paid plans from Gas fees only (~$0.01-$0.10 per tx)
  • Rating:85/100Very Good
  • Expert's conclusion:Arbitrium Excels In Production Ethereum Scalability, Is Ideal For Developers Prioritizing Liquidity and Maturity Over ZK Alternatives.
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Reviewed byMaxim Manylov·Web3 Engineer & Serial Founder

What Is Arbitrum and What Does It Do?

Arbitrum is a collection of scaling solutions for Ethereum created by Offchain labs to improve the speed and efficiency of transactions on the blockchain through Layer 2 technology and its rollup architecture. Arbitrum has the ability to operate multiple chains (such as Optimistic Rollups, and AnyTrust), to allow for better scalability than Ethereum, while also allowing users to create and deploy their own Ethereum-compatible smart contracts.

Active
📍New York, NY
📅Founded 2018
🏢Private
TARGET SEGMENTS
DevelopersDeFi PlatformsGaming ApplicationsEnterprise Blockchain UsersDecentralized Applications

What Are Arbitrum's Key Business Metrics?

🔄
2.1 billion+
Lifetime Transactions
📊
$20 billion+
Total Value Secured
📊
100+
Live/In Development Chains
📊
1,000+
Deployed Projects
📊
$3.86 billion
Total Value Locked (TVL)
👥
250,000-300,000
Daily Active Users
📊
$600M+
Ecosystem GDP
📊
25,000+
Active Borrowers (Aave)
📊
$8 billion+
Stablecoin Supply
📊
$1.21 billion
ARB Token Market Cap

How Credible and Trustworthy Is Arbitrum?

85/100
Excellent

Arbitrum is an extremely credible Layer 2 solution due to its successful production operation for over 3 years, large-scale adoption by the ecosystem, and strong financial support. Arbitrum has demonstrated it can maintain security during significant market fluctuations and continues to be the top Layer 2 protocol in terms of transaction volume and developer involvement.

BREAKDOWN
Product Maturity90/100
Company Stability85/100
Security & Compliance88/100
User Reviews82/100
Transparency86/100
Support Quality80/100
TRUST SIGNALS
2.1 billion+ lifetime transactions with zero security incidents$20 billion+ total value securedLed by Princeton researchers with strong cryptography backgroundsDeployed by major protocols including Uniswap, Aave, and GMXOver 100 live or in-development Arbitrum chainsDAO governance with community-driven decision making$150M+ non-native assets in DAO treasury

What is the history of Arbitrum and its key milestones?

2018

Offchain Labs Founded

Offchain Labs was co-founded by Ed Felton, Steven Goldfeder, and Harry Kalodner as part of the Princeton University-based research team focused on developing a solution to scale Ethereum.

2019

Seed Round Funding

Offchain Labs raised $3.7 million in seed funding from early stage investors (Compound and several notable venture capital firms) to help fund the creation of its Layer 2 scaling solution.

2021

Series A Funding

Offchain Labs completed a $20 million series A round of funding at a $1.2 billion valuation with investors including Pantera Capital, Polychain Capital and several other well-known cryptocurrency funds.

2021

Series B Funding & Arbitrum One Launch

In August 2021, Offchain Labs completed a $120 million series B round of funding at a $1.2 billion valuation. Simultaneously, Offchain Labs announced the launch of Arbitrum One's main net on August 31, 2021, allowing for real-time processing of live transactions.

2022

Arbitrum Nova Launch

Arbitrum Nova was released, utilizing the AnyTrust protocol for high-throughput transactions at low cost and providing an alternative to Arbitrum One’s rollup model.

2023

ARB Token Airdrop & DAO Launch

Arbitrum distributed ARB governance tokens to its community members and created the Arbitrum DAO, which allows for community-driven development and decision-making.

2024

Stylus Launch

Offchain Labs introduced Stylus, allowing developers to create smart contracts in languages such as Rust, C++, Go, etc., and compile them down to WebAssembly along side Solidity, significantly increasing both performance and cost. The following is a paraphrased version of the text above.

2025

Ecosystem Expansion Milestones

More than 2.1 billion lifetime transactions have been processed by Arbitrum, as well as 100+ active/developing chains, 1000+ deployed projects, and an estimated $600 million + in total economic output. Arbitrum was at the top in Layer 2 market share in the cryptocurrency industry, as a result of its performance.

Who Are the Key Executives Behind Arbitrum?

Steven Goldfeder— CEO & Co-founder
I am a graduate of Princeton University and was a former research scientist in cryptocurrency security and privacy. I co-founded Offchain Labs in 2018 and continue to serve as one of its principals.
Ed Felten— Co-founder & Chief Scientist
I served as a deputy U.S. CTO during the Obama administration, and I am currently a professor of Computer Science at Princeton University. In addition to serving as a professor, I am also a leading researcher in the area of computer security, as well as cryptocurrency.
Harry Kalodner— CTO & Co-founder
I received my PhD from Princeton University and I am a researcher in the areas of blockchain technology and smart contract security. I co-developed the rollup technology used in Arbitrum.

What Are the Key Features of Arbitrum?

✨
Arbitrum One Rollup
The fully trustless optimistic rollup protocol is designed to post all transactional information on the Ethereum network, providing full security while at the same time providing Layer 2 scalability and cost savings.
✨
Arbitrum Nova AnyTrust
This high-throughput variant uses a Data Availability Committee to store transactional information off-chain, enabling lower fees and faster transactions for applications which can accept some level of trust.
✨
Arbitrum Stylus
Arbitrum is a multi-language smart contract platform supporting Rust, C++ (C Plus Plus), Go, and other languages that are compiled into WebAssembly, thereby enabling 10-100 times greater cost savings and performance improvements when compared to Solidity.
✨
EVM Compatibility
Arbitrum is completely compatible with both Ethereum smart contracts and applications, enabling dApp developers to migrate their dApps from Ethereum with little to no code modification and without requiring recompilation.
✨
Nitro Technology Stack
The core architecture of Arbitrum is based upon a WebAssembly runtime enabling high-performance execution, interoperability between EVM (Ethereum Virtual Machine) and WASM (Web Assembly) contracts, and efficient state management.
✨
Arbitrum Chains
Arbitrum provides a framework which enables users to create their own Layer 2 chains with either a Rollup or AnyTrust protocol, thereby enabling businesses and specialized applications to use customized scaling solutions.
✨
Cross-Chain Bridge
Arbitrum has a built-in bridge protocol which enables secure transfers of ETH (Ether) and ERC-20 tokens between Ethereum, Arbitrum One, Arbitrum Nova, and custom Arbitrum chains.
✨
DAO Governance
The ARB token-holding community will have a voice regarding governance issues including future development (protocol upgrades), the treasury, and overall strategy of the ecosystem.

What Technology Stack and Infrastructure Does Arbitrum Use?

Infrastructure

Runs as a Layer 2 on top of Ethereum mainnet; operates multiple independent chains (Arbitrum One, Arbitrum Nova, custom chains); uses Ethereum as the security and settlement layer with validity proofs and fraud proofs mechanisms.

Technologies

WebAssembly (WASM)SolidityRustC++GoPythonEthereum Virtual Machine (EVM)

Integrations

Ethereum mainnet via optimistic rollup proofsMajor DEX protocols (Uniswap, GMX)Lending platforms (Aave, Compound, Radiant)Bridge protocols and cross-chain infrastructureRPC endpoints and node infrastructureWallets and custody solutions

AI/ML Capabilities

Not a primary focus; infrastructure supports AI agents and advanced computational contracts through Stylus' high-performance WASM execution environment.

Based on official Arbitrum documentation, GitHub repositories, and technical specifications from Arbitrum Docs

What Are the Best Use Cases for Arbitrum?

DeFi Protocols and DEX Operators
DeFi services such as decentralized exchanges and lending platforms that run on Arbitrum have significantly lower fees than those running on other layer two solutions and have much shorter settlement times than many other layer two solutions. The Arbitrum platform has attracted large volumes of transactions from well-known exchanges and lending platforms (Uniswap, GMX and Aave).
Gaming and NFT Applications
The Arbitrum Nova AnyTrust protocol is designed for high-throughput applications (e.g., games) and enables fast confirmation times for micro-transactions within games.
Enterprise Blockchain Users
Custom-governed, private or consortium-based versions of the Arbitrum chain can be established for business-critical applications; these customized versions can satisfy the operational requirements of their businesses while still being able to utilize the security guarantees of the Ethereum mainnet.
Solidity Smart Contract Developers
Developers can migrate their existing smart contract code to the Arbitrum platform with relatively little modification. The Arbitrum platform supports all smart contract languages compatible with the Ethereum Virtual Machine (EVM) which enables developers to take advantage of the cost savings and scalability benefits of a layer two solution.
Performance-Intensive Application Builders
Using the Stylus tool, developers can write smart contracts in languages other than Solidity (such as Rust, C++ or Go) and achieve 10-100x cost savings relative to writing smart contracts in Solidity. Additionally, using Stylus can provide developers with the ability to perform on-chain computations that were previously too expensive to execute (e.g., AI inference, complex simulations, etc.).
Ethereum Scaling Infrastructure Users
The Arbitrum platform has the most developed Layer 2 ecosystem in terms of number of deployed projects (over 1,000), number of daily active users, and amount of liquidity available. Therefore, developers can benefit from the "network effect" and the maturity of the supporting infrastructure.
NOT FORUltra-High Frequency Trading
This is not suitable - although the Arbitrum One rollup provides a high level of security, the sub-millisecond execution time requirements for this type of application cannot currently be supported by the block time of the underlying blockchain. Specialized trading infrastructure solutions would be more suitable for these types of applications.
NOT FORApplications Requiring Absolute Decentralization
Although the Arbitrum Nova AnyTrust protocol introduces some degree of trust into the system through the use of a Data Availability Committee (DAC), applications that require the greatest possible degree of decentralization may want to consider either using the Arbitrum One rollup or an alternative solution.
NOT FORHighly Regulated Financial Instruments
The limitations of applicability — Blockchain based derivatives and regulated assets are currently uncertain in their regulatory status and compliance frameworks for decentralized trading remain evolving with varying jurisdiction requirements.

How Much Does Arbitrum Cost and What Plans Are Available?

Pricing information with service tiers, costs, and details
☐Service$CostℹDetails🔗Source
Public Chain Usage (Arbitrum One/Nova)Gas fees only (~$0.01-$0.10 per tx)No subscription fees; variable L2 gas fees based on network congestion and L1 data posting costsArbitrum Docs
Orbit Chain Deployment10% of net protocol revenueAEP license fee: 10% of (gross revenue - settlement costs) for custom L2/L3 chainsOfficial Arbitrum Docs
L3 settling to Arbitrum$0Permissionless, zero-cost deployment if settling to Arbitrum One or NovaArbitrum Docs
Public Chain Usage (Arbitrum One/Nova)Gas fees only (~$0.01-$0.10 per tx)
No subscription fees; variable L2 gas fees based on network congestion and L1 data posting costs
Arbitrum Docs
Orbit Chain Deployment10% of net protocol revenue
AEP license fee: 10% of (gross revenue - settlement costs) for custom L2/L3 chains
Official Arbitrum Docs
L3 settling to Arbitrum$0
Permissionless, zero-cost deployment if settling to Arbitrum One or Nova
Arbitrum Docs

How Does Arbitrum Compare to Competitors?

FeatureArbitrumOptimismPolygonzkSync
Core TechnologyOptimistic RollupOptimistic RollupZK Rollup/CDKZK Rollup
TVL Market Share40%+20-25%15-20%10-15%
TPS40,0002,000+65,0002,000+
Starting Tx Cost$0.01-$0.10$0.01-$0.05$0.001-$0.01$0.001-$0.01
Free Tier/Public ChainYesYesYesYes
Enterprise/Custom ChainsOrbit (10% rev share)OP Stack (free)AggLayer/CDKElastic Chain
API AccessYesYesYesYes
EVM CompatibilityFullFullFullFull
Security Model7-day challenge7-day challengeZK proofsZK proofs
Support OptionsDAO/communitySuperchain governanceEnterprise partnershipsDeveloper grants
Core Technology
ArbitrumOptimistic Rollup
OptimismOptimistic Rollup
PolygonZK Rollup/CDK
zkSyncZK Rollup
TVL Market Share
Arbitrum40%+
Optimism20-25%
Polygon15-20%
zkSync10-15%
TPS
Arbitrum40,000
Optimism2,000+
Polygon65,000
zkSync2,000+
Starting Tx Cost
Arbitrum$0.01-$0.10
Optimism$0.01-$0.05
Polygon$0.001-$0.01
zkSync$0.001-$0.01
Free Tier/Public Chain
ArbitrumYes
OptimismYes
PolygonYes
zkSyncYes
Enterprise/Custom Chains
ArbitrumOrbit (10% rev share)
OptimismOP Stack (free)
PolygonAggLayer/CDK
zkSyncElastic Chain
API Access
ArbitrumYes
OptimismYes
PolygonYes
zkSyncYes
EVM Compatibility
ArbitrumFull
OptimismFull
PolygonFull
zkSyncFull
Security Model
Arbitrum7-day challenge
Optimism7-day challenge
PolygonZK proofs
zkSyncZK proofs
Support Options
ArbitrumDAO/community
OptimismSuperchain governance
PolygonEnterprise partnerships
zkSyncDeveloper grants

How Does Arbitrum Compare to Competitors?

vs Optimism

In terms of TVL and adoption, Arbitrum is leading in both metrics however, it is outperforming Optimism in terms of throughput (40k tps) compared to Optimism’s 2k tps. However, Optimism is performing better in terms of its alignment with Ethereum, Superchain Interoperability and Permissionless OP Stack Licensing without a revenue share.

Arbitrum for high volume DeFi/Gaming; Optimism for Superchain applications that are connected.

vs Polygon

Arbitrum is focused on optimistic roll-ups and has a strong commitment to EVM parity. Polygon is offering a more versatile form of ZK technology, AggLayer unification, and has a wider reach into enterprise adoption but has less pure Ethereum Security.

Arbitrum for Ethereum Purists; Polygon for Multi-Chain Gaming Ecosystems.

vs zkSync

Arbitrum is focused on the optimistic model as a means to achieve speed and scalability whereas zkSync is providing instant finality through ZK Proofs but has lower current tps and ecosystem maturity.

Arbitrum for Current Scale; zkSync for Provably Secure Future.

vs Base

Both optimistic roll-ups; Arbitrum has a larger independent ecosystem and DAO, whereas Base is benefiting from Coinbase Integration and lower sequencer costs.

Arbitrum for Decentralized Governance; Base for Coinbase Users.

What are the strengths and limitations of Arbitrum?

Pros

  • Scalability — 40,000 tps vs Ethereum’s 30, enables high-throughput dApps.
  • Fees — $0.01-$0.10 per transaction, significantly cheaper than Ethereum.
  • Full EVM Compatibility — Easy Migration from Ethereum Without Code Changes.
  • Mature Ecosystem — Highest L2 TVL at 40%+, Vibrant DeFi/NFTs.
  • Orbit Stacks — Custom L2/L3 Deployment with Nitro Tech Stack.
  • Strong Security — Inherits Ethereum L1 Data Availability and Fraud Proofs.
  • Active DAO — Community Governance Through ARB Token.

Cons

  • 7-Day Withdrawal Delay — Challenge Period for L1 Withdrawals.
  • Centralized Sequencer — Potential Censorship/Single Point of Failure.
  • AEP Revenue Share — 10% Net Revenue Fee for Orbit Chains.
  • Gas Complexities — L1 Calldata Costs Impact Tx Fees
  • Validator Risks — Relying on Honest Validators When Disputes Arise
  • Upgrades Risks — Centralized Upgrades May Introduce Bugs/Malicious Code
  • Lower Finality — Optimistic Assumptions vs ZK Instant Proofs

Who Is Arbitrum Best For?

Best For

  • DeFi protocols needing high TPS — Highest TPS of all L2s (with lowest fees) Largest L2 TVL for Liquidity
  • Ethereum dApp developers — Full EVM Equivalence for Seamless Deployment & Migration
  • Gaming/NFT projects — Fast Cheap Tx for High Volume Interactions / Mature Ecosystem
  • Custom chain builders — Orbit — Permissioned L2/L3 with Customizable Features
  • DAO-governed projects — Community-Driven Upgrades & Treasury Through Arbitrum DAO

Not Suitable For

  • Instant finality applications — 7 Day Challenge Period; Consider Using zkSync or Starknet for ZK Proofs Instead
  • Budget custom chains avoiding rev share — 10 % AEP Fee on Orbit; Consider Optimism OP Stack Free Licensing Option
  • Non-EVM projects — Focus on Full EVM; Consider Polygon CDK or Cosmos for Alternative VMs

Are There Usage Limits or Geographic Restrictions for Arbitrum?

Withdrawal Challenge Period
7 days for fraud proof disputes
Orbit AEP License
10% of net protocol revenue (gross fees minus settlement costs)
Gas Target
7 million gas per second on main chains like Arbitrum One/Nova
Sequencer Decentralization
Currently centralized; permissionless plans ongoing
L3 Settlement
Free only if settling to Arbitrum One/Nova
Tx Finality
Optimistic; requires challenge window

Is Arbitrum Secure and Compliant?

Ethereum L1 SecurityInherits data availability and validity from Ethereum mainnet; fraud proofs enforce correctness
Optimistic Validation7-day challenge period where any validator can dispute invalid state transitions
AnyTrust Protocol (Nova)Mild trust assumption with Data Availability Committees for further scaling
Multi-Stage Fraud ProofsInteractive verification process with validators to prevent invalid executions
Permissionless DeploymentAnyone can run nodes/validators; no central authority controls chain
Nitro Node SoftwareOptimized for security with formal verification elements in AVM implementation

What Customer Support Options Does Arbitrum Offer?

Channels
Via Zendesk for bridge, network, and widget issuesComprehensive docs at docs.arbitrum.ioCommunity support available
Hours
No official hours; community-driven
Response Time
Varies; standard Zendesk response times
Satisfaction
No G2/Capterra ratings available for core protocol
Support Limitations
•Primarily community and self-service support
•No 24/7 live chat or phone support

What APIs and Integrations Does Arbitrum Support?

API Type
JSON-RPC over RPC nodes for blockchain interactions
Authentication
No auth for public RPCs; API keys for providers like Alchemy
Webhooks
Available via RPC providers like Alchemy
SDKs
Official TypeScript SDK (@arbitrum/sdk); community SDKs
Documentation
Comprehensive at developer.arbitrum.io and docs.arbitrum.io
Sandbox
Testnets: Arbitrum Sepolia, Goerli equivalents
SLA
Provider-dependent; e.g., Alchemy offers high uptime
Rate Limits
Provider-specific, e.g., Alchemy tiers
Use Cases
dApp development, bridging assets, cross-chain messaging, querying blockchain data

What Are Common Questions About Arbitrum?

Arbitrum is a Layer 2 Scaling Solution that Uses Optimistic Rollup Technology to Provide Faster and Cheaper Transactions than Ethereum While Inheriting Ethereum’s Security Model. It also Utilizes Nitro Technology to Optimize Performance. Users Interact With The Network Via The Bridge or Dapps.

Both Are Optimistic Rollups; However Arbitrum Provides Multi-Round Fraud Proofs And Supports Custom Chains Through Orbit. Arbitrum Has Higher TVL and More DApps Than Optimism Which Is Focused On The Superchain Ecosystem.

Yes, As An Optimistic Rollup, Arbitrum Posts Data To Ethereum L1 So Anyone Can Verify During The Challenge Period. It Inherits Ethereum’s Security Model With Fraud Proofs To Dispute Invalid Transactions.

Use The Official Arbitrum Bridge At bridge.arbitrum.io To Deposit ETH Or ERC-20 Tokens From Ethereum. Funds Will Be Available After A Short Challenge Period. Please See The Quick Start Guide In Docs.

Yes, ARB Is The Governance Token For The Arbitrum DAO Used For Voting On Proposals. It Does Not Directly Affect Sequencer Operations Or Fees.

Yes, Using Arbitrum Orbit To Launch Custom Rollups Or Anytrust Chains. Docs Have Guides For Chain Operators.

Check Docs.Arbirtrum.IO, Developer.Arbitrium.IO, github.com (the Repos), and Community Discord. Submit Tickets For Bridge / Network Issues.

Yes, there will be an Arbitrium Sepolia for Rollup Testing, and an Equivalent for Nova / AnyTrust. This is an Ideal Platform for dApp Developers To Test Before Mainnet Deployment.

Is Arbitrum Worth It?

Arbitrium currently Leads The L2 Scaling Space As The Top Optimistic Rollup By TVL and Adoption, Providing Ethereum Compatible Scalability With Low Fees And High Throughput Via Nitro. It's Orbit Framework Is Designed To Enable Custom Chains, and therefore Fostering Ecosystem Growth. Although There Is Currently Some Centralization of the Sequencer in place, Ongoing Decentralization Efforts Position It Well.

Recommended For

  • Ethereum Dapp Developers Looking For Scalability
  • Defi Projects That Need High TVL and Liquidity
  • Teams Building Custom L2 Chains Using Orbit
  • Users Wanting Cheap Ethereum Transactions

!
Use With Caution

  • Projects Requiring Instant Finality Due To Challenge Periods
  • ZK Purist’s Who Prefer Validity Proofs Over Fraud Proofs
  • Highly Regulated Apps Until Full Decentralization

Not Recommended For

  • L1 Maximalist Avoiding Rollups
  • Apps That Require Non-EVM Compatibility
  • Budget Projects Shunning Established L2s
Expert's Conclusion

Arbitrium Excels In Production Ethereum Scalability, Is Ideal For Developers Prioritizing Liquidity and Maturity Over ZK Alternatives.

Best For
Ethereum Dapp Developers Looking For ScalabilityDefi Projects That Need High TVL and LiquidityTeams Building Custom L2 Chains Using Orbit

What do expert reviews and research say about Arbitrum?

Key Findings

Arbitrium Dominates Optimistic Rollups With Leading TVL, Comprehensive Docs / SDK, and Orbit For Custom Chains. Support is Community / Docs focused Without Dedicated Tiers. There Are Strong Developer Resources But Limited Formal Support Ratings.

Data Quality

Good - official docs, GitHub, support portal, and web sources verified; no G2 ratings for protocol, public company-like info.

Risk Factors

!
Risk of Sequencer Centralization
!
Challenge Delays From Optimistic Rollup Challenges
!
Competition from ZK Rollups and Base
Last updated: January 2026

What Additional Information Is Available for Arbitrum?

Community

Active Discord and Forum At Forum.Arbitrium.Foundation for Discussions. Developer Hub at ArbiumHub.io With Grants and Tools.

Developer Resources

Robust SDKs, Nitro Node Software, and Stylus for Rust/Wasm Contracts. QuickStart Tutorials for Solidity and Rust.

Partnerships

Ecosystem With RPC Providers Like Alchemy, Chainstack; Orbit For Custom Chains. Governed By a DAO Via the ARB Token.

Media Coverage

Featured in many blockchain news outlets due to the high volume of tvl and upgrades. Comparisons are made to Optimism and Base.

Roadmap

Focus is placed on decentralization, Stylus expansion, and Orbit chains. The DAO's proposal for new features will be the driving force behind the project.

What Are the Best Alternatives to Arbitrum?

  • •
    Optimism: Optimistic Rollup with Superchain that allows for L2's to connect together. While it has the same EVM compatibility as Optimism/OP Stack, it currently has a lower tvl. It would be best used by OP stack users. (optimism.io)
  • •
    Base: Coinbase backed L2 in the OP stack focused heavily on the consumer. Offers lower fees and increasing adoption; would be the best option for U.S. centric projects. (base.org)
  • •
    zkSync Era: ZK rollup with native account abstraction. Provides faster finality than other rollups and has a unique security model; best suited for developers who are interested in ZK. (zksync.io)
  • •
    Polygon zkEVM: ZK rollup utilizing the polygon ecosystem. Has mature tooling and provides grants; best for developers who are aligned with the polygon ecosystem. (polygon.technology)
  • •
    Starknet: ZK rollup written in Cairo. Provides the highest throughput for complex computation; best for developers who use languages other than EVM. (starknet.io)

What Are Arbitrum's L2 Network Metrics?

$2.9B
Total Value Locked (TVL)
2.7M
Daily Transactions
31 TPS
Transactions Per Second
320K+
Active Addresses (Daily)
73M+
Total Unique Addresses

What Is Arbitrum's Gas Fee Comparison?

Average Transaction Fee
$0.01-0.10
Simple Transfer
~$0.10
DeFi Swap
~$0.30-0.50
NFT Mint
~$1.00
Savings vs Mainnet
95-99% cheaper
Fee Model
L2 execution + L1 data posting

What Is Arbitrum's Rollup Technology?

Rollup Type
Optimistic Rollup
Fraud Proof System
Multi-round interactive
Challenge Period
7 days
Block Time
0.25-2 seconds
EVM Compatibility
Full EVM/Solidity support
Data Availability
Ethereum L1 calldata

What Is Arbitrum's Bridge Withdrawals?

Native Bridge
Official L1-L2 bridge
Deposit Time
~10-20 minutes
Withdrawal Time (Native)
7 days (challenge period)
Fast Withdrawals
Available via third-party bridges
Third-Party Bridges
Hop, Across, Synapse
Security Model
Inherits Ethereum L1 security

What Are Arbitrum's Ecosystem Defi?

500+
DeFi Protocols
$387M
DEX Volume (24h)
1,000+
Total dApps
20+
NFT Marketplaces
15+
Lending Protocols

What Is Arbitrum's Token Governance?

Native Token
ARB
Token Type
Governance token
Total Supply
10B tokens
Governance Model
DAO with on-chain voting
Staking Available
Yes (stARB)
Treasury
$33M community treasury

What Is Arbitrum's Sequencer Status Status?

Sequencer StatusOperational
Sequencer TypeCentralized (single operator)
Decentralization RoadmapPlanned for 2026
Force TransactionAvailable via L1
Uptime (30 days)99.9%+

What Developer Tools Does Arbitrum Offer?

SolidityHardhatFoundryRemixEthers.jsViemThe GraphAlchemyInfuraQuickNode

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