'A duplicate user with similar face able to login to the application, eg:-prabhas photo login as vishwas, neeraj madhav as neymar jr, etc:-, original user unable to login to the application due to the existence of duplicate, suppose user creates a townchat user account with a celebrity\'s picture, then the celebrity wont be able to create an account anymore.2.A non-existing user able to login to an existing user account, eg: when clicked Selena Gomez photo, directed to another two different accounts'