You're conflating a bunch of different things here.
In the industrialized world, there are no barriers to women using crypto. Interest in such things tends to run along the same percentages of other tech areas - maybe 80% men, 20% women. The only real issue here is if men are being assholes to women as a group or not. There was a story last year about a BTC conference going to a strip club for "networking." That's pretty far over on the being an asshole spectrum. Simple solution, don't be an asshole.
In parts of the world where women are being oppressed, can't own property, are completely dependent on the men in their lives, then crypto can be an incredible power source for freedom as these women gain financial control of their lives. The issue here is physically getting access to computers, mobiles phones, or whatever to run a wallet and then getting funds into those wallets.
RE: What Steem Really Needs To Change The World