Page 8 - ITU-T Focus Group Digital Financial Services – Technology, innovation and competition
P. 8

7.2  Voice channel                                                                  101
                   7.3  Text-based                                                                     102
                   7.4  Graphical interfaces                                                           103

               8  Digital value chain technologies and transactions                                    104
                   8.1  Overview                                                                       104
                   8.2  Sound-based                                                                    105
                   8.3  SMS and short codes                                                            105
                   8.4  USSD                                                                           106
                   8.5  NFC                                                                            106
                   8.6  Quick response (QR) codes                                                      106
                   8.7  Magstripe and chip card readers                                                106

               9  Thin SIM technology in DFS                                                           107
                   9.1  Overview                                                                       107
                   9.2  Uses of thin SIMs                                                              107


               10  Identity verification in DFS accounts and transactions                              108
                   10.1  Overview                                                                      108
                   10.2  Technologies used                                                             108

               11  DFS payment infrastructure                                                          109
                   11.1  Overview                                                                      109
                   11.2  Technical standards                                                           109
                   11.3  Technical implementations                                                     109

               12  Conclusion                                                                          110


               V  Mobile Handset Use in Digital Financial Services                                     111

               1  Overview                                                                             114

               2   Phone types                                                                         114


               3   Phone statistics                                                                    115

               4   Taxation and handsets                                                               116

               5  DFS and phone features                                                               117


               6  Phone models available in emerging markets                                           118

               7  Conclusion                                                                           121

               VI  Distributed Ledger Technologies and Financial Inclusion                             122


               Executive summary                                                                       123

               1  Introduction to Distributed ledger technology (DLT)                                  126
                   1.1  What is a DLT?                                                                 126
                   1.2  The concepts of blockchains and ‘distributed ledgers’                          126
                   1.3  Distributed ledger constructs                                                  128




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