Zero Knowledge Proof using hash chains for age verification and potential exploit with sample code

https://en.wikipedia.org/wiki/Zero-kn...
https://github.com/actuarialsnail/zkp...

ZKP Age Verification and Exploit 0:00
Zero knowledge proof intro 0:37
Basics 1:06
Hash function 1:32
Demo 2:04
Code GitHub 3:11
Exploit 3:19