Each of the three words is plain English, and together they form a descriptive, institutional-sounding name. Global sets the scope beyond any one country. Crypto names the field broadly enough to include Bitcoin, other networks and the businesses around them. Network works on two levels: a network of people, as in a professional association, and a technical network of nodes and connections. The .com ending matches the international claim of the name.
The domain fits organisations that bring members together: a trade association for crypto companies, a membership network for founders and investors, a conference brand with events in several cities, a media network linking regional newsrooms, or a node and infrastructure operator. Its neutral tone also suits a non-profit or research consortium. A consulting firm could use it as the umbrella for a group of country partners.