This "Unknown" pool is clearly F2Pool, if you look at the coinbase tags for the blocks they mine. Which also explains why F2Pool's hashrate has dropped.
The reason why mempool.space isn't picking this up is strange. I first thought F2Pool is using a new address. Instead, all of their mined blocks now have 2 outputs. One is for just 546 satoshis, and the second output is the address they've always been using.
I'm baffled as to why F2Pool would create outputs of what appear to be dust. If someone here could try and explain this, I'd appreciate it
I'm baffled as to why F2Pool would create outputs of what appear to be dust. If someone here could try and explain this, I'd appreciate it
ordinals. just above the dust level
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That doesn't seem to check out. First off the address they're repeatedly sending 546 satoshis to is a legacy address. Second, unless they mine their own transaction you'd need more than 546 satoshis to mint even a BRC-20.
Could they perhaps be attempting to collect "rare" satoshis? I have no idea
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What's the "dust level"?
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At the default dustRelayFee of 3,000 sat/kvB, given the size of a P2PKH input being 148 bytes and the size of a P2PKH output being 34 bytes, P2PKH outputs worth less than 546 satoshis are considered dust by Bitcoin Core (546 satoshi being the smallest non-dust value) https://bitcoin.stackexchange.com/questions/10986/what-is-meant-by-bitcoin-dust
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In the end it's up to the miners to decide if they want to optimize for highest fees all the time or take payment for including transactions via some out of band channel. See for example the zero fee taproot wizards transaction: https://mempool.space/tx/0301e0480b374b32851a9462db29dc19fe830a7f7d7a88b81612b9d42099c0ae
There are several other zero fee transactions way before "inscriptions" was invented.
Also, as Odell tries to communicate, there is not just one mempool. Every node has one, and they will be slightly different while transactions are communicated, hence no enforceable dust limit. Fee rates fluctuate over time.
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Okay, a very low minimum fee could be a requirement added by a soft fork.
But the actual minimum set by the fluctuating fee market cannot be defined with precision that would enable a block to fail validation.
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It's mempool policy, not a consensus rule
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Yeah they aren't
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