A method for completing an electronic commerce transaction, involving receiving security information associated with a real identity of a buyer, receiving virtual security labels corresponding to security information associated with the real identity of a buyer, storing the security information and the virtual security labels in an isolated entity of a dedicated payment system, transferring the virtual security labels to a virtual world entity of the dedicated payment system, wherein the virtual world entity is operatively connected to a first network using which the buyer connects to the dedicated payment system, and executing the electronic commerce transaction via the first network using the virtual security labels and the security information associated with the real identity of the buyer, wherein the isolated entity is communicatively disjoined from the virtual world entity and the first network, and wherein security information associated with the real identity of the buyer is not transmitted via the first network during execution of the electronic commerce transaction.