Sergej Kotliar

Sergej Kotliar is the CEO and founder of Bitrefill. A well-known Bitcoin company that has become one of the most popular places for people to spend their Bitcoin. Bitrefill allows everybody to purchase almost anything with Bitcoin and Lightning using digital coupons, enabling people to deeply integrate into the parallel economy. Sergej is an M.Sc. in Engineering, has been programming since his tee.. (2022-07-02)