Astar Network to Add Asynchronous Backing Support in June

Name: Asynchronous Backing
Start: 2025-06-01T00:00:00Z
End: 2025-07-01T00:00:00Z

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Astar Network is preparing to adopt Polkadot’s Asynchronous Backing in June, cutting block time from ~12s to ~6s. This change aims to deliver faster performance for developers and users. Alongside the speed boost, ASTR emissions per block will be reduced by 50% without affecting overall inflation. Staking and governance lockups will remain unchanged. The upgrade promises higher throughput, improved user experience for dApps, and more efficient block production. Developers relying on 12-second intervals are advised to review their integrations.

Event date: June 2025 UTC

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