Institutional investors.
The adoption of bitcoin-ETF is just a matter of time. In case of a positive decision, a fund will be created for the institutionalists. The minimum investment. the amount is $ 200k (only for large ones). This fund will be insured against hacking and thus will close the main pain of large investors, so we are waiting. Even if they do not accept the 30th of September, then the applications for this will not stop.