An Independent National Electoral Commission official uses a Bimodal Voter Accreditation System to accredit a voter.
The Independent National Electoral Commission has, over the years, especially in the present democratic dispensation, designed ways and means to improve on the quality and credibility of the elections it conducts in such a way that complaints are minimal and in some way be comparable to those elections conducted in older democracies around the world.
Any other method of transmission of results will require an enormous and incredibly large layers of electronic security devices, firewalls, sentries to prevent hackers and unauthorized persons from gaining access into such a very sensitive environment. The internet, world wide web and cyberspace is full of devious people who are ready, for a fee, to access the secure portal and compromise the system.