Or pay to piggy back on some mission to send an USB stick with a copy of the blockchain (like letcore said, I think a copy of the blockchain is more meaningful). Much cheaper.
Here"s your options you may canvass. If they are going you only need to pay for a small part of the cost . Or you can ask Will Smith as Hancock whose already been there done that! OR Men in Black, Superman etc.
http://en.wikipedia.org/wiki/List_of_proposed_missions_to_the_Moonanned missions
Country Name Proposed
launch date Nature of proposed mission
(Private) DSE-Alpha 2015 Mission to transport the first space tourists to fly around the Moon using Soyuz; proposed by Space Adventures (2005).[26][27]
India 2020 Manned moon landing; proposed by ISRO (2009).[28]
Japan 2020 Manned moon landing; proposed by JAXA (2006).[29]
Europe Aurora programme[30] 2024 Manned moon landing; proposed by ESA.[31]
China CLEP 2025+ Manned moon landing; proposed by CNSA.[32][33]
Iran 2025 Manned moon landing; proposed by ISA (2010).[34]
Russia 2025 and 2027–32 Manned moon landing; proposed by RFSA (2007).[35]
(Private) 2019 Manned moon landing and operation of lunar surface mineral extraction equipment proposed by Shackleton Energy Company (2012).[19]
(Private) 2020+ Manned moon landing proposed by Golden Spike Company (2012).[36]
(Private) OpenLuna 2020+[citation needed]