Well, I read that news and it caught my attention, the idea that the blockchain can already be extra-planetary caused me curiosity. In part, it reminded me of that project of bringing Internet service to everyone by balloons, but that's another story.
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Let's resume the matter, a few days ago it was announced that the European Space Agency gave a grant of 60,000 euros to the startup SpaceChain to develop a multi-signature and hyper-secure wallet that will be powered by satellite, this amount leaves the fund “kick-start activities ”
Although they call it startup activities, the truth is that the company already has two years of operation and is at the forefront of bringing blockchain technology to outer space and its security is indicated as very strong, it is even indicated that it establishes its own network that it is not necessary to connect it to the Internet for the verification of signatures, so the chances of violating it from there go to 0%
Personally it makes me think, this may constitute a new step in the evolution of the network and the blockchain as such. A few days ago I commented in another post that I am a "Digital Immigrant" and 
The news that I commented at the beginning of the post is in HERE