A computer-based method of managing electronic transactions is described. A plurality of consumer accounts is stored in a data store, each consumer account having a first consumer account identifier. A second consumer account identifier is received in a point-of-sale device. A charge request including an amount and a second consumer account identifier is received, wherein the second consumer account identifier is not an MSISDN. A selected one of the consumer accounts is identified by associating one of the first consumer account identifiers with the second consumer account identifier. An authorization request is transmitted to a consumer device. An response to the authorization request is received from the consumer device, and the charge request is processed based on an account detail of the selected consumer account, wherein the charge request is processed if the response is the authorization response.