Hackers in modern world are different. They regularly run marathons to figure out, who is the best of them in hacking Blockchain projects. Are they all criminals or programming scientists? Are they all dark personalities? Or are they looking at solving software vulnerabilities too? Roman Mandeleil, CEO & Founder of <ether.camp>, participates in the development of decentralized applications and new technologies in business. Oh, and he just so happens to be our guest this week.