[Coinbase Supports Polkadot and Kusama Migration to Asset Hub] Coinbase has announced support for Polkadot and Kusama migrating from the Relay Chain to the Asset Hub network. The Kusama upgrade is expected to take place on October 7, 2025, while the Polkadot upgrade is scheduled for November 4, 2025. During the migration period, sending, receiving, and certain staking functionalities for Kusama and Polkadot will be temporarily disabled from October 6-8 and November 3-5, respectively. Users' KSM and DOT tokens will be automatically migrated.