Too Long; Didn't Read
My favorite question for bitcoin supremacy is: “how will Mars colonists send <a href="https://hackernoon.com/tagged/bitcoin" target="_blank">Bitcoin</a> home to their families?” It’s a great thought experiment, because nobody on Mars could run a Full Node, no matter how small the blocks are: the 8–40 light-minute round-trip makes it physically impossible to transact between Earth and Mars at all. You could shim SPV to work, but trying to be a real participant in the <a href="https://hackernoon.com/tagged/network" target="_blank">network</a>? No way!