The first phase being intent-based interop using the universal intents engine. Initially available to a limited set of @arbitrum chains, expandable to other EVM chains for them to deploy
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Arbitrum is launching a Universal Intents Engine to enable seamless interoperability between its chains and other Ethereum Layer-2 networks, targeting sub-3 second crosschain transactions
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Arbitrum’s interoperability rollout begins with intent-based crosschain execution in Q1 2025, followed by protocol-level integration in Q3 2025 to enhance transaction efficiency
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