A number of implementations of a transaction settlement process are illustrated. A system verifies buyer, seller, and financial institution data and instructions. The system stores buyer credit information, and the joint transaction instructions of buyers, sellers, and financial institutions. The system verifies invoice data against the transaction instructions and the buyer's acceptance instructions, and choose, based on the inputs, whether electronic credit or money is sent to either a joint electronic account of the buyer and the seller, or to the electronic account of the seller.