Arbitrum vs Avalanche

Arbitrum4.2/5

VS

Avalanche4.0/5

Feature	ArbitrumVisit	AvalancheVisit
Ratings
Our score	4.2/5	4.0/5
User rating	No reviews yet	No reviews yet
Performance	4.5	4.5
Fees	4.5	4.0
Ecosystem	5.0	4.0
Decentralization	3.0	3.5
Developer experience	4.5	4.5
Specs
Layer	Layer 2	Layer 1
Consensus / design	Optimistic rollup	Proof of Stake
Native token	ARB	AVAX
EVM compatible	Yes	Yes
Smart contract languages	Solidity, Rust (Stylus)	Solidity
Block time	~0.25 seconds	sub-second
Finality	~7 days (dispute window)	instant (sub-second)
Mainnet since	2,021	2,020
Sequencer	Centralized	Not applicable
Data availability	Ethereum L1 calldata / EIP-4844 blobs	Not disclosed
Gas paid in	ETH	AVAX
Company
Founded	2021	2020
Headquarters	United States	United States
Investors	Coinbase Ventures, IOSG Ventures, OKX Ventures, ParaFi Capital +1	Polychain Capital, Three Arrows Capital, Public token sale participants, Andreessen Horowitz +5
Strengths and weaknesses
Pros	Secured over $12.3B in value with 2.7 billion lifetime transactions by mid-2026 Supports smart contracts in Rust, C, and C++ alongside standard EVM Solidity Fast sub-second block times around 0.25 seconds with gas settled in ETH	Fast sub-second probabilistic finality on the EVM C-Chain Over $1.08B in tokenized real-world assets on-chain as of October 2026 Custom gas tokens and validator rules on dedicated sovereign L1s No 2,000 AVAX upfront lockup required to validate new appchains
Cons	Sequencer remains centralized, creating liveness and transaction ordering dependencies ARB staking through the DAO does not distribute protocol fee revenue to holders Substantial non-circulating ARB supply remains subject to scheduled token unlocks	Sovereign L1 validator sets require ongoing continuous fee payments to P-Chain Inter-chain communication relies on specific BLS validator messaging assumptions Subjected to unproven 2022 competitor litigation controversy
Best for	High-frequency DeFi traders, Rust and Solidity smart contract developers, Teams launching dedicated Orbit appchains	Institutions building regulated private subnets, DeFi teams needing EVM compatibility, Tokenized real-world asset issuers

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