This marketplace is widely known within the cryptocurrency community and I would tell that this is true as you hardly can find a trader who heard nothing about it. Moreover, several famous and popular tabloids like Forbes, Coindesk, Reuters have mentioned Bitstamp in their articles. The company has established cooperation with Ripple, CACEIS and Swissquote.
No, the successful trader is not me. I’ve gotten lucky a few times and I’m still refining and trying out strategies; on the other hand, I’m part of communities of people who trade on a daily basis to grow their portfolios, and while some of the results can be attributed to luck, a majority of it is based on fundamentals, good habits, and experience.