Boy, I wonder if you could use Bitcoin on an isolated island or on another planet or even underwater? https://media4.giphy.com/media/ZaJtnTY8tFZz0PvmW9/200w.gif?cid=586b07f09o31mx6lm3x6t0rslvg1xs8ffxo21p11yfd50fa1&ep=v1_gifs_search&rid=200w.gif&ct=g