PQV
  • ๐Ÿ–๏ธIntroduction
    • Problem and Solution
  • Problem: Background
    • โ˜‘๏ธEvolution of Voting System
    • ๐ŸงจSybil Attack
  • Solution: PQV
    • ๐Ÿ’กProbabilistic QV
    • ๐ŸšงMathematical Proof
    • ๐Ÿค–Simulation
      • Environment
      • Results
    • ๐Ÿ”ขPQV Calculator
  • Use Cases
    • ๐Ÿ’ตQuadratic Funding
    • ๐Ÿ”‘PoS/DPoS
    • ๐ŸงฑApplications
      • LeGovernor
  • Governor C
    • ๐Ÿ›๏ธGovernor C
    • ๐Ÿ‘ฉโ€๐Ÿ’ปDeveloper Guides
  • Discussions
    • โ›“๏ธMulti-Chain PQV
  • References
    • Papers
  • D3LAB Media
    • Website
    • Twitter
    • Github
    • Medium
    • LinkedIn
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On this page
  • One Person, One Vote
  • One Dollar, One Vote
  • Quadratic Voting (QV)
  1. Problem: Background

Evolution of Voting System

How voting system has evolved to provide better governance environment

PreviousProblem and SolutionNextSybil Attack

Last updated 3 years ago

The key of building successful DAO is fair governance system, and improved voting system can support it. From โ€˜one person one voteโ€™, to โ€˜Quadratic Votingโ€™, voting system has evolved to provide a better decision-making environment. PQV will create a new paradigm by making up for the shortcomings of existing methods.

One Person, One Vote

One person one vote is the voting system that individuals should have equal power in voting. This has made current democracy and most of the votes follow this principle.

However, one person one vote has a problem that people not interested or unrelated to the agenda also have the equal representation in voting. This can lead to another problem like โ€˜Tyranny of the majorityโ€™. Moreover, there is no way to express each individualโ€™s eagerness in the vote, as same voting power is given to everyone without taking into account the circumstances of each voter.

One Dollar, One Vote

To solve the problem of one person one vote, one dollar one vote appeared as an alternative. Individuals who pay more can have more decision making power. People with high willingness to influence voting result can buy as many votes as possible. (at the same price per vote)

Voters deeply involved in the agenda can express their opinions strongly. However, this principle also has a weakness that the society could be ruled by a few strong individuals with enough assets to support their opinions.

Quadratic Voting (QV)

Quadratic voting can solve the problems of existing methods. In this principle, voters should pay x2 x^2x2 to make xxx votes. In one dollar one vote, the cost of votes increased linearly. QV tried to refrain some individuals from exercising excessive influence by making the cost of voting increase exponentially.

To exercise 10 votes of voting power, people had to pay 10 under โ€˜one dollar one voteโ€™ principle. But under QV, the cost increases rapidly and individuals should pay 10210^2102.

Type of Votes
# of Votes
Cost of Votes

one person, one vote

1 (immutable)

1

one dollar, one vote

Quadratic Voting

In terms of voting methods, QV could be the mathematically optimal system, but it is exposed to risk called โ€˜Sybil attackโ€™ that could undermine fairness of whole governance.

โ˜‘๏ธ
xxx
xxx
xxx
x2x^2x2
source: Vitalik Buterin's Blog
source: Vitalik Buterin's Blog
source: Vitalik Buterin's blog
source: Vitalik Buterin's blog
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