Today I followed a weird on-chain transaction, and it turned out someone was pushing a new protocol called the “DA layer”… Honestly, I stared at that term for almost half a minute and couldn’t see how it has anything to do with ordinary users. Developers were talking about it pretty enthusiastically, but in real use it might not even save much on gas. Anyway, I’ll remember it for now and take a look later.

That said, speaking of arbitrage, I came across a sandwich attack case today—pretty typical. A wallet was about to submit a transaction, and a few seconds before it did, a bot front-ran and bought first. Then the bot’s sell order came down to trap the unlucky user in the middle… That wallet might have lost dozens of U in fees, but the bot’s trade made a really clean profit. Sometimes I also wonder: when I watch those degens rush in, am I seeing an opportunity—or is it a road someone else already laid out? Anyway, I’d rather move slower, and first dig into on-chain data or audit reports, so I don’t get fooled by fees and end up as a stepping stone.

As the saying goes, don’t trust the front end too much—the chain is the real thing… But sometimes even on-chain there are shenanigans. Forget it, take it slow.