Hmm I didn't see that bit, but I read the bit where it said the block chain would be transferred to mars with the first colonists - at that point if the the cur

Hmm I didn't see that bit, but I read the bit where it said the block chain would be transferred to mars with the first colonists - at that point if the the currency is effectively established on mars, any people who keep mining here would own a fork of the currency effectively, whilst only Martians would be involved in their own currency