Except you don't - they can be sold and bought entirely without a digital middleman. You can buy goods for them. It's not a weird thought to keep them entirely as themselves, forever.
As for the "crypto is very traceable" angle, it's honestly kind of tired and wrong. If it's something you care about, you have solutions available. Arguing about it as if it's some sort of absolute is disingenuous.
Where do you pay rent and pay for groceries with crypto?
> As for the "crypto is very traceable" angle, it's honestly kind of tired and wrong. If it's something you care about, you have solutions available. Arguing about it as if it's some sort of absolute is disingenuous.
I know mixers exist. And a lot of exchanges ban their use, which is detectable.
Alternately, there's decentralized mixing algorithms like CoinJoin that are indistinguishable from normal transactions with multiple inputs and outputs. Bitcoin's Wasabi wallet and Ethereum's Tornado cash do this.
Privacy is really a solved problem for anyone who wants to solve it.