To assert that 1.5% yield a day is unsustainable is a bit strong in my opinion. A properly tuned trading bot can yield significantly higher than whatever you can even imagine. From the information I have gathered 1.5% daily to some people in this cryptocurrency world is nothing. Some can see %50 returns. Leave the old ways of thinking behind. If you are too scared to play go beg the banks for .5 a year and see if thats not a scam too. Have courage to lose. CF is subject to exchange b.s like everyone else.

They need to invest in a coin and blockchain.