This is all currencies. You store value in debt. You spend in the hot currency.
> no one wants to hold them because they devalue and will continue to do so at an accelerating rate
Literally what Treasuries are for.
> everyone should think of their checking account as something that they pay negative real interest on for the privilege of being able to transact with the rest of the world
One, you shouldn’t be storing wealth in cash-like instruments, that’s literally using currency wrong (and has been across human history). Cash is for transacting.
But in today’s economy, you generally can find checking accounts with pay around inflation. And if it really worries you, you can buy TIPS.