prospective bitcoin etf issuers are not letting up the securities and exchange commission acknowledged yet another bitcoin etf proposal last week this one from vaneck its the latest of more than a dozen triedandfailed proposals from numerous firms over the years and vanecks second the sec now has 45 days to approve deny or prolong its review of the proposal but with the biden administration appointing officials to the sec who have expertise in cryptocurrency markets approval may be closer than ever said john davi ceo and chief investment officer at astoria portfolio advisors its just a matter of time he told cnbcs etf edge on monday i think the time has come and there is a place in peoples portfolio for digital assets though davi recommended investors put no more than 5 of their portfolios toward crypto assets its better to have a listed pooled vehicle as opposed to going on an exchange and paying tons he said theres plenty of other etfs in the ecosystem which are much more obscure triplelevered you know natural gas  and vix futures so i just think its the time for it davi said