70% interest? That's Ponzi scheme territory.

What? Are you promised the 70% interest contractually? This is either a scam or the best investment opportunity, ever. For reference, an 8% annual return is good in the stock market.

Why would you lend Bitcoin to someone? What's the use of it?

> The service is free of charge until November 1, 2017.

Gee, thanks!

To my eyes this has Ponzi scam written all over it...