 Liquid Democracy: Using Quadratic Voting, the voters’ opinions may end up being weighted differently: Voters that purchase more of a voice have more influence over the election. There are other reasons why some voters’ opinions may have more weight than others when making a decision about some issue. For instance, a voter may have been elected to represent a constituency, or a voter may be recognized as an expert on the issue under consideration. An alternative approach to group decision making is direct democracy in which every citizen is asked to vote on every political issue. Asking the citizens to vote on every issue faces a number of challenges,   nicely explained by Green-Armytage (2015, pg. 191):