this post was submitted on 16 May 2024
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277
MIT Students Stole $25 Million In Seconds By Exploiting ETH Blockchain Bug, DOJ Says (slashdot.org)
submitted 6 months ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 2 points 6 months ago (1 children)

I'm sure, yes. If you submit to a public mempool, you have no guarantees that your two transactions will land on either side of the target transaction in the same block (They likely won't). You need to leverage conditional transactions with MEV so you guarantee the miner will select and position your transactions where you need them. In this case, before and after the target transaction.

Check out the Ethereum Foundation's page on MEV for more info.

[โ€“] [email protected] 1 points 6 months ago

Wow, thanks for the link. It seems things have gotten a lot more complicated with PoS. I didn't even know about PBS. I haven't been following along properly.