Embodiments for a method and system for payment authentication are disclosed. An electronic payment data structure may include one or more electronic payment fields. Each electronic payment field may provide access to an account value from a payment source selected from at least one payment source. A payment transaction data structure may comprise a matching selection associated with a seller criterion. The matching selection may be comparable against verifying data. The seller criterion may define a circumstance in which a payment request from a seller is to be fulfilled. A payment application may fulfill the payment request to the seller when the matching selection matches the verifying data and the circumstance defined by the seller criterion is met.