It would be cool to have a transoceanic mesh network that uses high altitude balloons and micro sats in low earth orbit in order to relay messages over the ocean.
Bitcoin payment channels could be used to incentivise the relaying of data.
@Ancap Or , you could just bounce it off the ionosphere, like we did in the old cb radio days...
If your only view of the blockchain is through a single mesh network peer that could be bad because they might close the channel at an old state and not tell you about it.
Watch-towers might help.