That's what I'm wondering. Is there any idea of how much of say, Bitcoin, is held in cold storage? I saw some estimate a while back that said as high as 70% and

That's what I'm wondering. Is there any idea of how much of say, Bitcoin, is held in cold storage? I saw some estimate a while back that said as high as 70% and that seems high to me for some reason. If true, it definitely speaks volumes about paranoia around exchanges.