PANews reported on December 4th that Arkham announced the launch of its " Arkham Swap " feature , supporting direct token swaps across Ethereum, Base , BNB Chain , Polygon , and Optimism . This feature aggregates quotes from multiple DEXs to improve trade execution and is available to all Arkham users. Users can log in to their accounts to use Swap or trade via the Arkham CEX . Registration is open, with access to a trading account and intelligence platform through Arkham's OneAccount, and a $ 100 registration bonus; eligibility and trading pairs vary by jurisdiction.