​​Base announces the launch of Cobalt upgrade

#Base has rolled out the #Cobalt network upgrade, introducing Validity Transactions for greater trader control and expanding functionality for its #B20 token standard. Validity Transactions allow users to submit time-bound transactions that stay inactive until predefined conditions are met, giving them greater control over when and under what criteria transactions are included on Base.

The upgrade also expands the B20 token standard with new features, including Composite Policies, scheduled multiplier updates, and the seizeWithMemo function. Over the coming month, Base plans to introduce 200ms blocks with the same reorg guarantees, native smart-account support for gas sponsorship and batching, and select Glamsterdam EVM upgrades.

👉 theblock.co/news/ecosystems/2026-09-30-base-launches-cobalt-upgrade-with-conditional-transactions-and-new-b20-asset-functions-417308

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