My name is Sergi Soler Arrufat but in the internet I sometimes go by the alias ‘fraret’ which means puffin in Catalan. I have recently finished my Bachelor’s in mathematics and computer engineering from UPC (Barcelonatech) after doing my thesis as a visiting student at MIT. I am currently pursuing a master’s in Cybersecurity at EPFL-ETHZ.

You can find out about some of my (old) projects in the projects page, read a little more about me on the about page or read the blog (and see that its been many years since I last tested it).

By the way, if you didn’t know, this is a puffin: