Recently, I've been looking into modular systems again. To be honest, they might not be so "revolutionary" for end users; more like: in the past, you used one chain, and now it might be "settlement on A, execution on B, data on C." From the wallet's perspective, it's still just confirm and wait for blocks, just with longer paths. The benefit is that fees and lag might be more controllable, and it's easier to stack features in applications; the downside is also quite real: with more bridges, cross-chain messages, and various intermediary layers, there are more points of failure, making security and accountability more complicated.

By the way, I’ve been thinking about the recent community debates on privacy coins/mixing and compliance boundaries. It seems that modularity could make this even more tangled: privacy modules, compliance modules can all be plugged in, but ultimately, who should take the blame, who can be frozen with a single click, still comes down to governance and interface design. It’s not something that can be brushed off with just the phrase "technical options."

Now, when I choose applications, I care more about which layers they depend on and whether issues can be clearly explained. I just don’t want to be carried away by noise. What about you?