Of course, double layer blockchain sounds good but first thing first. This is an unknown coin and project, so time will show if they can hit the mark.
Considering that position, they have a really long way to the top, and I can't recommend somebody to trust that a miracle will happen. At least I can recommend paying attention to this technology. https://twitter.com/LightChainOne
RE: Ripple Founder Chris Larsen Talks About The Many Use Cases For Blockchain