The method comprises receiving a transaction request, including a token, from a first system for using the token for a transaction, the token associated with a user account at a second system. The method includes accessing preferences for the token, the preferences indicating association between the token and an initial resource for transactions, the preferences including transaction rules for altering transaction processing, the preferences created during generation of the token. The method includes determining, based on the preferences and the transaction request, whether to revise use of the initial resource to another resource during transaction processing. The method includes processing the first using the token and based on the user account and the preferences, the processing the transaction including using the another resource.