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B20 is Base’s chain-native token standard - the same standard Coinbase’s tokenized stocks use. BaseStonk can launch your token as a real B20 instead of a standard ERC-20.

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Admin-less is provable, not promised

A B20 launch:
  1. Creates the token through Base’s B20 factory precompile
  2. Mints the fixed 1B supply
  3. Renounces both the mint role and the last admin inside the launch transaction
From the moment it exists, nobody - not BaseStonk, not the creator - can mint, pause or freeze it. The chain itself is the receipt: verify the renounce in the launch transaction on Basescan.

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What B20 mode trades away

The standard has no holding caps and calls no external trackers, so B20 launches ship without max wallet and without holder dividends. Everything that lives in the pool’s hook rather than the token works unchanged:
  • Trade tax and fee splits
  • Buyback & burn
  • The unpullable single-sided pool
The toggle appears in the create form when you pick a B20 pair, and it states both halves of this trade before you sign.