Biometric voter registration implicates using biometric technology (capturing unique physical features of an individual – fingerprinting is the most commonly used), most of the times in addition to demographics of the voter, for polling registration and/or authentication. The enrollment infrastructure allows collecting and maintaining a database of the biometric templates for all voters.
A biometric voting project might include introducing biometric registration kits for enrolment of voters; using electronic voter identification devices before and on Election Day; issuing of voter identification documents (i.e. biometric voter cards), among others. The chronological stages for adopting a biometric voting registration project usually include assessment; feasibility studies; securing funding; reviewing legislation; doing pilot projects and mock registration exercises; procurement; distribution of equipment, installation, and testing; recruitment and training of staff; voter information; deployment and, post-election audits.[1][2][3]
The final aim of implementing biometric election technology is achieving de-duplication of the voting register,[4][5] thus preventing multiple voter registration and multiple voting; improving identification of the voter at the polling station, and mitigating the incidence of voter fraud (e.g. buy/rent of voters IDs before an election).[6]
However, it is vital that commissions carrying out these election projects first and foremost guarantee that the legal framework supports biometric voter identification,[7][8] and then that the data captured during the registration process will be secured while maintaining two basic requirements: personalization and privacy. Likewise, it is imperative to have contingency mechanisms in place, in case biometric systems malfunction. One of the main challenges is to ensure that given the eventualities of technological hitches and failures, not a single voter is disenfranchised.[9]