If you can pay a mining pool out of band to include a TX in their next found block, then you could also pay a mining pool to NOT include it in their blocks.
One example I can think is country A knows country B's bitcoin addresses. Then they pay the top 20 mining pools a monthly subscription to NOT include any of these TX in any of their blocks.
Can you think of any other examples? Does stratum v2 fix this?
It's hard to block all Bitcoin addresses generated from the same private key~~
I get your idea, but easy to circumvent...
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Sv2 does fix this IF pools allow miners to create their own block template. But there's also unknown/solo miners finding blocks.
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Solo miners are very rare. Even rarer when states are also mining
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