Hello
Welcome to my website!

I'm JYS, R.O.K

  

안녕하세요

My   Workspace

I am building a product to help people around the world stay safer online.

 
 
Cybersecurity
Experiments
Encryption programs

I'm  getting ready.

1. Privacy-enhancing techniques for personal information protection.  2. Keep your data secure and private with powerful encryption tools.

History of  Cryptography

  We will continue to update in the future. Have a nice day!

My vision

Information security
is our top priority.

∞

Security

∞

Stability

13

Files

9

authentication

Why cosmopolitan?

Cosmopolitan means global, universal and borderless.