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we don't even have to apply social justice to it.... if there was a small group of billionaires who decided that it might be worth the risk to - they could snap their fingers and it would happen within a few years - just like when they decided they would like to send a car into orbit with an oversized ken doll in it ... they wanted it to happen - therefore .. it did happen. But since that is unlikely - then the next best step would be a charity organization that is open source and 100% transparent - so the building it on the blockchain could really lend a hand to the situation and ensure that funds collected for project actually go to that project and not a lot of bureaucratic fat cats at the top.