Founder & CEO At GBPT, 7+ years of experience in cryptocurrency trading, with significant experience in project development and management. He always worked his way up from a developer to director. A successful blockchain investor, cryptocurrency expert.An early adopter of bitcoin, he quickly realized the potential of blockchain technology, prompting him to develop at Credissimo one of the first systems to allow loan repayments in cryptocurrencies worldwide. The World's First Instant Crypto Overdrafts. The catalyst for the development of a solution to both retain your crypto assets and enjoying their value is the personal experience with a yet inefficient market for overdrafts in crypto and Kosta has set out to change precisely that.