Abstract: A system can identify microservices calls. The system can, in response to identifying a first call, where the first call originates externally, storing, to logged calls, a first association between the first call, a response to the first call, a first entity that originated the first call, a second entity to which the first call is destined, a unique identifier, and a counter associated with the unique identifier, or where the first call originates internally, storing, to the logged calls, a second association between the first call, the response, the first entity, the second entity, the unique identifier, and the counter after incrementing the counter, wherein the unique identifier is identified by the first call. The system can order logged calls that share unique identifiers according to values of respective counters. The system can store a topology of the microservices that is generated according to the ordered logged calls.

Abstract: A mobile money system comprising: at least one mobile money device configured with at least a CPU, a GSM engine, antenna, display, keypad/touchpad, printer and SIM reader; and at least one external SIM card configured to be read by the reader; wherein the mobile money device uses a SIM Tool Kit application stored on the external SIM card to process at least one mobile money transaction.