Aside from using basic blackjack strategy, I'd say my strategy has to do with tracking streaks, especially losing streaks. The last time I played, looking at my hands, it was significantly more likely that I would lose 3 hands in a row rather than winning after two losing hands. Sometimes these streaks lasted for 8 hands in a row. After two losses in a row, I minimized my bets to 1mBtc. Similarly, I played winning streaks by increasing my bets after 2 winning hands in a row sometimes betting very aggressively, 100mBtc per seat (300mBtc total).
I think keeping track of my hands really just takes the emotion out of it, sometimes taking a few minutes in between hands to analyze my data and see what has been going on. I don't really think the statistics are very indicative of what is to happen, but it is a great way to analyze how you have been playing and make decisions from there.
Yesterday I played again and profited 0.9 BTC So far I have profited 5.02 BTC total.
Great job man! Better set aside ~3.5BTC to save. Wouldn't want a losing streak forcing you to consider betting everything.