I am a Blockchain Security Engineer at ChainSecurity.
Before that, I worked as a Quant Research Intern for Citadel Securities.
My job before is mathematician. I worked at the University of Chicago and Mathematical Science Research Institute in Berkeley. I got a Ph.D. from Columbia University and B.S. from Tsinghua University.
You can find a series of Blockchain/Cryptography/CTF writeup in my Medium, and a few math papers in my old homepage.