Keep an eye on Nexux Niro, Vector Space Systems CEO is supporting it and they want to bring micro cube Bitcoin Satellite's, also his son is the developer of Nexus Niro, the code is amazing, they will have reverse transactions and also Nexus will be resistant to quantum attacks, so Nexus is a massive project, Space Vector is booking space travel to start in 2018, Nexus Niro will be something that you can research.