gcb0 isn't proposing that value should be measured in ETH per BTC. Sounds like they think the value of currency is in people using it for a medium of exchange--

gcb0 isn't proposing that value should be measured in ETH per BTC. Sounds like they think the value of currency is in people using it for a medium of exchange--e.g., Oversatock.com accepting bitcoin makes bitcoin valuable. "Useful" might be a better term, but it makes some sense to equate those two.