Processing of electronic transactions

A networked payment authorization management system comprising:

• at least one network communication system;
• at least one data processor;
• and
• at least one persistent memory device, the at least one persistent memory device comprising stored, machine-interpretable instructions adapted to cause the at least one data processor to:
• receive from a purchaser communication device, using the at least one network communication system, a select merchant payment token request data set, the select merchant payment token request data set comprising data representing:
• one or more purchaser-selected merchant identifiers;
• and
• one or more purchaser-selected payment source identifiers;
• generate a secure select merchant payment token associated with:
• the one or more purchaser-selected merchant identifiers;
• and
• the one or more purchaser-selected payment source identifiers;
• generate an authorized merchant payment token data set comprising:
• the secure select merchant payment token;
• the one or more purchaser-selected merchant identifiers;
• and
• the one or more purchaser-selected payment source identifiers;
• cause the authorized merchant payment token data set to be stored in secure persistent memory;
• using the same or another network communication system, route the authorized merchant payment token data set to the same or another purchaser communication device;
• receive from a merchant transaction management system, using the same or another network communication system, a select merchant token confirmation request, the select merchant token confirmation request comprising data representing:
• the secure select merchant payment token;
• one or more merchant-selected purchaser identifiers;
• and
• one or more merchant-selected protocols associated with the one or more purchaser-selected payment source identifiers;
• return, using the same or another network communication system, the secure select merchant payment token or a modified selected merchant payment token, to the merchant transaction management system;
• receive, from the merchant transaction management system or the purchaser communication device, a select payment token transaction request data set associated with a transaction between the merchant transaction management system and the purchaser communication device, the select payment token transaction request data set comprising the secure select merchant payment token;
• and
• process payment for the transaction using the secure select merchant payment token or the modified selected merchant payment token.