## Quadratic voting

cost to the voter = (number of votes)². This formula creates a democratic mechanism for the community, helping people pay more attention to common issues.

## Quadratic funding

Based on ideas of Quadratic Voting we can apply them in building a crowdfunding product by using Quadratic Funding. Let's find out how we can apply it .

## ZKP in Digital signature algorithm

Going from the vague (proving interaction without revealing knowledge - ZKP) to then applying it to do something specific (digital signature) is really interesting! What is too obvious may only have finite value, what is mysterious may have unlimited potential value.

## ZKP

In this entry, I focus on explaining What is Zero-Knowledge Proof (ZKP) in the simplest way. Besides, I give many specific examples for you to understand the practicality of ZKP for technology products.