In addition to this advantage, after the block is created, what happens next? The witness node that created the block needs to broadcast it to the network, but who should they prioritize? Obviously, the witness node in line to create the next block is the #1 priority, as that witness can not create the next block without having the information contained in the current block.
Stupid question: Does that suggest a possible vector for attack, being able to know which witness is next in line to produce a block?
it can cost up to 0.005 Bitcoin ($30) to do the same.
Gotta shift a decimal point somewhere there. Bitcoin is at $6,000 by that math.
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Probably... but when a witness misses a block it's not a big deal and we just move to the next witness.
It's easier to attack 20 witness nodes compared to thousands of Bitcoin nodes.
But again this is a good enough solution... and even if all 20 of our witnesses got punked we'd just elect 20 new ones temporarily.