Don't futures completely solve the "Bitcoin price is volatile" problem for large actors? Short Bitcoin futures to lock in your current rate; or buy some puts &

Don't futures completely solve the "Bitcoin price is volatile" problem for large actors? Short Bitcoin futures to lock in your current rate; or buy some puts & sell calls to constrain it to a range without spending anything extra. And your counterparty is CME rather than some fly-by-night cryptocurrency exchange. Doesn't help with buying a pizza(a single futures contract is 5 bitcoin, or $150k at current rate), but that seems solvable.