System and method for performing identity authentication based on de-identified data

A data authentication system, comprising:

• at least one computerized device, comprising data items for authentication;
• at least one database, comprising de-identified data;
• and
• a processor, coupled to the at least one computerized device and to the at least one database, wherein the processor is configured to:
• receive at least one data item from a user;
• create at least one de-identified data item and a corresponding authentication key, based on the received at least one data item;
• store the at least one de-identified data item in a database coupled to the processor;
• receive at least one new data item for authentication;
• retrieve the authentication key corresponding to the user;
• generate at least one new de-identified data item based on the received at least one new data item;
• and
• compare the at least one new de-identified data item with the stored at least one de-identified data item to authenticate the identity of the user.