Recently, when testing on the testnet, I kept encountering that moment where "it's clearly on the chain but the page stalls for a moment," clicking confirm feels like a gentle cat paw, but inside I’m tense as hell... Only later did I realize that often it's not the chain itself that's broken, but the intermediate data layer that's gasping for air. Subgraph/indexers need to fetch and organize data from the chain; if you're refreshing too frequently or it's just rebuilding the index, you'll see the latest state isn't visible. RPC is even more straightforward—rate limiting kicks in with a "please try again later," but the wallet just shows a red error message. Who isn’t anxious about that?

What’s more annoying is that recently everyone’s been arguing about MEV and fair ordering, basically who gets processed first or last in a block, who gets front-run, and ordinary users have no real control over it; adding in topics about validator/miner earnings, it feels like: you’re frantically refreshing while someone else is making money from ordering... Anyway, I’ve learned my lesson now—when it stalls, I first check the transaction on a block explorer to see if it’s there, then switch to a different RPC, don’t fight the page, just keep a calm mind.