Abstract: A system and method for online payment are described. The method includes receiving, from a vendor server, a payment amount, an identifier of a user and an identifier of a vendor; sending an indication of a payment to a user device associated with the identifier of the user; receiving, from the user device, a confirmation of the payment; receiving, from the user device, supplementary information generated when or after the user confirms the payment; determining legitimacy of the transaction based on the supplementary information; and making the payment from a financial account associated with the user identifier to a financial account associated with the identifier of the vendor if the transaction is legitimate.

Abstract: Cryptographic tokens may be transferred between users of a system. A request may be received from a first user to transfer to a second user at least a part of a float of internal cryptographic tokens. A number of the internal cryptographic tokens drawn from the float are then be sent to a digital wallet of the second user. This sending represents at least one transaction that is recorded on an internal blockchain. The float is obtained in an earlier transaction also recorded on the internal blockchain, and the number of tokens in the float is based on a number of external cryptographic tokens obtained through another earlier transaction recorded on an external blockchain.

Abstract: Systems and methods for enabling payment of invoices are provided. A method of creating an electronic payment transaction includes receiving location information of a user device; obtaining billing information of a user associated with the user device from a retailer according to the location information; sending a request to the user to confirm a payment amount; and in response to receiving confirmation from the user of a confirmed payment amount, creating an electronic payment transaction to deduct the confirmed payment amount from an account associated with the user and to provide a payment to an account associated with the retailer for the confirmed amount.