Arbitrum Nova vs Etherlink

Arbitrum Nova is a high-performance alternative to Arbitrum One's chain. While Arbitrum One implements the purely trustless Rollup protocol, Arbitrum Nova implements the mostly trustless AnyTrust protocol. The key difference between Rollup and AnyTrust is that the AnyTrust protocol introduces an additional trust assumption in the form of a Data Availability Committee (DAC). This committee (detailed below) is responsible for expediting the process of storing, batching, and posting child chain transaction data to Ethereum's parent chain. This lets you use Arbitrum in scenarios that demand performance and affordability, while Arbitrum One is optimal for scenarios that demand Ethereum's pure trustlessness.

Etherlink is an EVM-compatible, non-custodial Layer 2 blockchain powered by Tezos Smart Rollup technology. It enables seamless integration with existing Ethereum tools, including wallets and indexers, and facilitates asset transfers to and from other EVM-compatible chains. Built upon the secure foundation of Tezos layer 1, Etherlink delivers a fast, fair, and (nearly) free experience. This permissionless and censorship-resistant environment empowers developers to actively create and participate in the next generation of decentralized applications.