Is there any upcoming project that would act like a bitcoin savings account?
There are so many of this on Facebook and they are called hyip or double or lending platform just like MMM founded by Mavrodi but be careful with this kind of sites or programs,majority of them are scam sites,I've not yet seen a trustworthy investment sites that uses Bitcoin.
That's true, these HYIP's are disguised and they pretend to be on your side so save with them for profits too good to be true but you'll eventually be scammed by them depending on the level of the ponzi you entered. I'll advice that people rather invest into cryptocurrency mining than rely on these or cloud mining as a form of saving investments.