Coinbase will support the transition of Polkadot and Kusama networks from the current relay chain network to the Asset Hub network.

Coinbase Assets announced on the X platform that the Polkadot and Kusama networks are transitioning from their current Relay Chain networks to the Asset Hub network. Coinbase will support this migration, and users holding KSM and DOT tokens from the Relay Chain network will automatically be migrated to the Asset Hub network. Kusama is expected to upgrade on October 7, 2025, and Polkadot on November 4, 2025. Prior to the migration, Kusama's send and receive functionality will be temporarily disabled from October 6th to 8th; Polkadot's send and receive functionality will be disabled from November 3rd to 5th; and Polkadot's staking and unstaking functionality will be disabled from November 3rd to 5th.