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Arbitrum

Arbitrum has two networks: Arbitrum One and Arbitrum Nova

Arbitrum One is an Op Rollup built by Offchain Labs, using Ethereum as the DA (Data Availability) layer.

Arbitrum Nova uses AnyTrust technology, which ensures data availability through a selected group of validators (Data Availability Committee, DAC). Compared to Arbitrum One, security is somewhat reduced. The benefit is higher throughput and lower transaction fees, making it suitable for high-frequency, low-cost applications that don't require extremely high security, such as social media and gaming.

The technology stack behind Arbitrum One and Arbitrum Nova is Arbitrum Nitro. Arbitrum Nitro is an Op Rollup technology stack similar to OP Stack. The main technical features of Arbitrum Nitro include:

  • Efficient compression algorithms to reduce the amount of data submitted to the Ethereum mainchain, thereby lowering on-chain storage and computation costs.
  • Compatible with the Ethereum Virtual Machine (EVM), allowing developers to seamlessly migrate existing smart contracts and applications to Nitro.
  • Uses WASM (WebAssembly) as the underlying execution engine, providing faster contract execution speed and higher efficiency.

Arbitrum Stylus is the next upgrade to Arbitrum Nitro, allowing smart contracts to be written in languages such as Rust, C, and C++. It is currently running on the testnet.

Arbitrum Orbit is another technical framework for simplifying and accelerating the development of Layer 3 (L3) solutions, also powered by Nitro. Developers can use the Orbit framework to create chains specifically tailored to particular application scenarios.

Website | Twitter: OffchainLabs, arbitrum | Developer Docs | Github |

Arbitrum One Explorers: arbiscan.io, explorer.arbitrum.io, arbitrum.l2scan.co

Arbitrum Nova Explorers: nova.arbiscan.io, nova-explorer.arbitrum.io