The most common use of an ID card is to verify that the person holding it is indeed who she claims to be. ID cards can increase building security in a number of ways. Using photo ID cards makes it easy for security personnel to quickly identify each employee or visitor, minimizing the risk of impersonation and theft. By restricting access to a building to allow only those with ID cards to enter, each company will be able to lower the possibility of unauthorized visitors entering the building. Many ID cards also include extra security features, such as holographic overlays or magnetic stripes, to further enhance building safety. It's help us to detect a person, Provide account information, Provide computation capabilities, Provide a means of transaction security, Provide a means of user authentication. So we can say that, this is how smart Identification will change our lives.