How Big Are These Block Chains in Terms of Data?

The interplanetary file system is at what anc for. That's really interesting. And so i can imagine, instead of evolving in one block chain to rule them all, that has every capability, we could tie them together in mixin match. You mention ip f s. Yes, that's an ambitious project, but i think it makes sense. How big are these block chains in terms of data? So, like the block chain is a chain of immutable blocks and theonthy validators, in some cases, have to download the whole history. Is that becoming an obstacle? Or where is that all heading?