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Base Ships Cobalt, Its Third Ethereum (ETH) Layer-2 Upgrade, Adding Issuer Seizure Powers

COINOTAG·September 30, 2026·1 min read
Base Ships Cobalt, Its Third Ethereum (ETH) Layer-2 Upgrade, Adding Issuer Seizure Powers

Base activated its Cobalt upgrade on mainnet on September 30, its third Ethereum (ETH) Layer-2 upgrade. The upgrade adds seizeWithMemo transfers, composite B20 compliance lists, and conditional Validity Transactions, enhancing compliance and flexibility for issuers on the network. This marks a significant step in Base's evolution.

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