- Pollberry not only guarantees anonymity, which is the basic principle of voting, and prevents duplicate voting, but also guarantees transparency, speed, and accuracy of the ballot counting process.- Pollberry consists fo a public survey, which anyone in the world can freely participate in, and a private survey, in which only designated users participate, and the results of the survey are recoerded on the blockchain.- Pollberry is designed to ensure that the revenue generated is distributed fairly to all participants, attracting more participants and allowing more public opinion to be reflected.- Pollberry aims for a global ranking platform by utilizing various public rankings and community preferences as big data.