The biggest benefit is that you can only withdraw what you need into the real world, if you gain millions of dollars you can life off that money for the rest of your life with tiny withdrawals of $2000~$5000 or so serving as a stable stream of income which allows you to have risk free investment into real-world activites that would normally strain your finances and induce sunk cost fallacy.
Before cryptocurrency, there was no decentralized way to transfer value on the internet.
There are many types of crypto people. Some of them are not crypto people per se, but people who saw crypto as a means to an end. Among them, there are plenty of people who seem to be invested in sheer fraud.
It's also important to note that there are many sides to the scheme. There's for example the instant transactions side, and the long term bet in scarcity. For example, Russia has been leaning heavily on crypto to circumvent sanctions due to their invasion of Ukraine.
https://www.rand.org/pubs/commentary/2025/08/russias-use-of-...
> In the end, it did produce a lot of rich people out of thin air, and I guess, served its purpose.
It was not out of thin air. This is literally a grift where the people holding the bag saw their money find its way to the pockets of those who got rich from it.
This is the key issue. Crypto by itself created little to no actual additional value. Especially when it devolved into just another centralized currency with less government oversight. So the whole thing was a zero-sum game. People only got rich because they made others poor.
I'm not sure you understand how international sanctions work, particularly the scheme imposed on Russia.
For example, read up on Russia's rupee surplus
https://www.reuters.com/markets/currencies/india-russia-susp...