I get the "global, transparent, append only log" appeal, but for the reality of most people, I don't want to rely on a blockchain converging, or processing my u

I get the "global, transparent, append only log" appeal, but for the reality of most people, I don't want to rely on a blockchain converging, or processing my update in a certain amount of time. From what I've heard, the "Layer 2" networks for even the most venerable of blockchains have the potential to reduce transaction times a couple of orders of magnitude.