My main point is don't completely dismiss a nescient technological field based on it's lack of utility now. Sustained development effort with real venture capital only dates back to around 2017, 2018.
All major silicon valley firms have launched funds to develop early research teams, nobel prize winning mathematicians developing protocols and some of these people are currently the richest individuals on the planet, just no one really know how much they actually have and obvious issues with liquidity withstanding.
> SHIB for instance
As many (If not more) of the crypto industry is marketing teams riding the 'Wave'. However, some of the projects have 100's of employees building infrastructure for the new internet. Check out Parity if you want an example of a true crypto company.