I'm doing a research and I want to know if smart card can be use as a secure identity module. Can we use it as a national i.d.?

I'm a freshmen in dlsu manila studying ECE and my prof in ENGLRES said that we need to give at least 3 topics about ECE for my research paper..thank you...

Best Electronics and Communications Engineering student out there,,can somebody give at least 3 best related topics about ECE for my research paper.