Volatility must be reduced. BTC's price fluctuations reduce its usefulness as a store of value. I'm curious if the Winklevis attempt to list a bitcoin ETF is a

Volatility must be reduced. BTC's price fluctuations reduce its usefulness as a store of value. I'm curious if the Winklevis attempt to list a bitcoin ETF is a play for this: an exchange traded BTC security could make it easier to hedge currency risk.