| 摘要 |
Abstract Disclosed is an electronic method of assisting a user to validate a transaction, the method comprising: receiving a 5 number input by a user at a user device in response to a request to input a user number associated with a user account; applying a mapping algorithm to the received number, the mapping algorithm uniquely mapping numbers that are in a valid format to respective ones of a 10 plurality of audio and/or visual (A/V) validation outputs such that any number in the valid format will always map to the same A/V output; and causing the A/V validation output for the received number to be output at the user device. 5054482_3 (GHMatters) P92134.AU. 1 24/01/14 wcn 0 -C CU:t n L) -00 E z C D I u |
