Lately, I keep getting dazed by words like “data availability / ordering / finality,” but actually, you only need to follow one main thread: can everyone see the transaction I made, will it get jumped ahead of (front-run), and does it ultimately count. Data availability is basically “don’t hide the data”—otherwise, it may look successful on-chain at first, but later you find that nobody can reconstruct it; it’s almost like there’s nothing there. Ordering is “who goes first and who goes later,” and all those MEV tricks boil down to this. Finality is “whether it will all go sideways or not”—only when it’s truly finalized do you dare to treat it as the ledger. Airdrop season makes this even clearer: anti-sybil plus a points system makes it feel like clocking in, but I’d rather earn a little less now and first check whether there are real on-chain interactions and whether settlement is reliable… Anyway, it’s better not to be scared by these technical terms—just keep an eye on these three questions.