Sorry to hear, really.
in just 1 week, I have lost all 10btc for coin scam: drkc, usb, pro ..... the whole encounter scammers.
For your next 10btc: Invest only 1/20 of what you have, per game.
If it looks really risky, invest less.
If it looks super safe, invest more.
You would still have 17/20 ~ 8.5 BTC now, even with loosing 100% in 3 coins.
It's a boring method, yes.
But if "boring" is the reason, why you instead risked so much
- then you weren't investing, you were gambling.
Then just enjoy the ride, and the rush of neurotransmitters :-)