Base has completed its Cobalt upgrade, adding conditional trading features and issuer control tools for tokenized assets through an expanded B20 token standard. Under the update, issuers can apply multiple compliance checks to the same asset, including identity verification, accredited investor eligibility, and sanctions screening. The upgrade also lets issuers preset corporate actions such as stock splits, adjusting the share counts shown in wallets and apps without minting or burning tokens or changing the underlying balance. In addition, issuers may authorize administrators to move tokens without holder approval as long as a public explanation is attached, while Base itself cannot initiate such transfers. Cobalt also introduces Validity Transactions, which allow users to define onchain conditions before submitting a trade. One example given is that a swap executes only if an asset reaches a target price before a specified block deadline. These transactions can remain private until they are included in a block. Base activated B20 on July 8 as its native standard for fungible tokens such as stablecoins and tokenized real-world assets. Coinbase later issued B20 tokens on Base on Aug. 25 representing shares of Apple, Nvidia, Meta, and Alphabet.
Base has completed its Cobalt upgrade, adding conditional trading functions and issuer control tools for tokenized assets, according to ChainCatcher.
The upgrade expands the B20 token standard, allowing issuers to apply multiple compliance checks to the same asset, including identity verification, accredited investor eligibility, and sanctions screening.
New issuer controls added to B20
Under the upgrade, issuers can preset corporate actions such as stock splits and update the share amounts displayed in wallets and apps without minting or burning tokens and without changing the underlying balance.
Issuers can also authorize administrators to transfer tokens without holder approval and attach a public explanation to the move. Base itself cannot initiate those transfers.
Conditional trading now supported
Cobalt also adds Validity Transactions. Users can set onchain conditions before submitting a transaction. One example is an exchange that can execute only if an asset reaches a target price before a specified block deadline.
Such transactions can remain private until they are included in a block.
B20 was activated earlier on Base
Base activated B20 on July 8 as its native standard for fungible tokens including stablecoins and tokenized real-world assets.
On Aug. 25, Coinbase issued B20 tokens on Base representing shares of Apple, Nvidia, Meta, and Alphabet.
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