I understand that investing all of the money is too much risky but BTA is the project on which I can trust as they did their job before the ICO. they've created the software which their whitepaper claims. You can get more information here
https://www.twitter.com/BitcoinFuturesA or you can also test their software here
https://awhcloud.win/TokenPriceCalculator.html. therefor I am not worried about investing it. I also understand that those days have gone when we were able to make 50x through ICOs but still we can make atleast double after the ICO but there is too much risk involved. If you talk about investing in coins trading on exchanges then I think maybe you've hear about the recent scams and pump and dump coins, investing in platforms like bcc, dav etc has become too much risky so how we can trust on these exchanges you mentioned? just a few days ago I invested in XMRG and later the dev has created billions of coins out of thin air as there was no an active platform for coin just like XMRG so only projects where there should be a software or a working product can be good for ICOs. therefor I only want to know such platforms just like Maker, DRGN, Wax
If all you have to invest is .5 ether I would be careful putting it into ICO's. There are still great ICO's out there but the days of short term 5-10x gains on many ICO's are mostly gone. You'd likely be better off putting your ether into a couple projects that have been around for a while and have shown their teams are trustworthy and consistently working/improving their coins/tokens. Do your own research but personally I think VeChain/ICON/Walton are very safe bets that have a lot of room to grow in the medium to long term.
If you are looking for a more risky investment that could pay off huge look into COSS. It's a crypto exchange that pays 50% of its fees to token holders and will be opening a fiat gateway in march(hopefully, we'll see if they pull it off). As of now your ROI with their current trading volume is a little less than 1% a year, however if they reach the top 10 in daily volume traded (~270million daily), your ROI at current prices would be 150% in just dividend payments, not to mention the appreciation of the token price. Kucoin is a good example of how quickly an exchange can dramatically increase its volume in a short period of time. IMO, once coss can stabilize its engine (its still in beta), it will have a huge increase in trading volume as it will be able to add new trading pairs without worry about backend problems.