![thumnail of Quadratic voting](/assets/blog/quadraticvoting.jpg)
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.
![thumnail of Quadratic funding](/assets/blog/quadraticfunding.jpg)
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 .
![thumnail of ZKP in Digital signature algorithm](/assets/blog/signature.png)
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.
![thumnail of ZKP](/assets/blog/zkp.gif)
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.