Axelar, a cross-chain interoperability network, announced that it has integrated Layer 2 Optimistic Rolleup Arbitrum. Users can now transfer assets to Arbitrum via Satellite from other chains connected with Axelar. This is Axelar’s cross-chain transfer application. Axelar delivers secure cross-chain communication for Web3. Secure means Axelar uses proof-of-stake. This is the battle-tested method used by Ethereum, Cosmos and Avalanche.