I work with Bitcoin & Etherium networks. Develop smart-contracts, briges of coins for external interfaces. Also I am developing blockchain games and explore vulnerabilities blockchain for security reasons. I am a Yandex alum with digital map product roots and several startups in my background. System administrate of Linux Like system (RHEL, CentOS etc), FreeBSD. OpenBSD, Windows and Novell. I have a lot of experience with hi-load systems. With large experience in several fields, I am now specializing in the dynamic world of cryptocurrency and the development of blockchain solutions.