Can the AEC prevent people voting more than once?

Not really...is the simple answer. Watch the video to find out why.

Secondly, RDA will be lobbying to change this system.
Sign the petition here and we'll use the results to try and change it - https://www.reignitedemocracyaustralia.com.au/aec-concerns/

An article about fraud in 2016 - https://australiabusinessnews.com.au/news/australian-voter-fraud-125-2016-federal-election/