Payment system, method for providing information, and program

A method for providing information executed by a server detecting an electronic settlement from a payer to a store, the method comprising:

• acquiring, when the electronic settlement is detected, a first level indicating a degree of disclosure of personal information, the degree of disclosure being set by the payer;
• picking out a second level different from the acquired first level;
• presenting first information including information about the first level and second information including information about the second level in a selectable manner at a terminal used by the payer for the electronic settlement;
• providing the store with partial information extracted from the personal information according to the first level or the second level, in accordance with a selection result in the terminal at which the first information and the second information are presented;
• and
• updating a degree of disclosure of the personal information to the second level when the selection result is the second information.

A program causing a computer detecting an electronic settlement from a payer to a store to function as:

• an acquirer acquiring, when the electronic settlement is detected, a first level indicating a degree of disclosure of personal information, the degree of disclosure being set by the payer;
• a picker picking out a second level different from the first level acquired by the acquirer;
• a presenter presenting first information including information about the first level and second information including information about the second level in a selectable manner at a terminal used by the payer for the electronic settlement;
• a provider providing the store with partial information extracted from the personal information according to the first level or the second level, in accordance with a selection result in the terminal at which the first information and the second information are presented;
• and
• an updater updating a degree of disclosure of the personal information to the second level when the selection result is the second information.