Lately I keep seeing words like “block builder” and “bundle,” and there’s just so much information it’s really confusing… But honestly, it’s enough for retail investors to have a rough idea: the transaction you send out doesn’t necessarily get included in the block in the order you think; someone might bundle and reorder a bunch of transactions, and even patch in arbitrage opportunities, so sometimes you feel like “why do I always get slippage/being sandwiched,” it’s not an illusion.

My own filtering method is pretty crude: I only remember two things—1) large amounts, popular pools, and newly opened ones are easiest to be reordered; 2) if you really want to rush, don’t stubbornly fight on-chain, use protected order placement methods if possible (like private broadcasting/limit orders), don’t send yourself into the meat grinder just to save a bit on fees.

By the way, during that recent extreme fee wave, when the group was arguing “reversal or continue to pump the bubble,” I was only watching transaction execution and on-chain congestion: the more people rush in and out, the more likely you are to experience all kinds of “mysterious transaction experiences”… Anyway, just stay alive first, and piece together the narrative fragments slowly.