Could you trust the sauce?
Discussion
It’s a good question. It depends on the use case.
But you could host your own images.
You could have multiple boot URL options each for different tasks.
If the image was small enough <4MB could theoretically embed into the timechain?
Yes, I think you can do crazy things with iPXE and decentralised networks.
You can pop up anywhere, connect to anything, do your thing and then disappear again without a trace.