Recently, people keep asking me "what exactly is data availability/ordering/finality," and it sounds like mysticism... I’ll just focus on one point: whether your transaction can be seen by everyone, whether it will be front-run, and whether it counts in the end. Data availability means not hiding the ledger halfway through; otherwise, you won’t have evidence to review later. Ordering is about who goes first and who goes after, all the little tricks are here in the mempool. Finality is more straightforward—waiting for confirmation until you’re about to lose your patience and wonder, “Is it real