It seems like they did this for SpaceChain, which I had never heard of before. I read their information, taking about combining blockchain-technology and satell

It seems like they did this for SpaceChain, which I had never heard of before. I read their information, taking about combining blockchain-technology and satellites, and I'm still very confused. Other than buzzwords, what is this actual business and why is the blockchain necessary here? dApps in Space? What? Why?