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Accepting replacements that do not pay a higher feerate than the original means that the sender paid nothing for the relay of additional data.
this territory is moderated
That's not true. It means that the sender paid for the extra bytes at the same fee-rate.
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0 sats \ 0 replies \ @Murch 11h
Let’s say I send a 200 vbyte transaction with a fee of 200 sats. Then I get to send a replacement for that transaction that is also 200 vbytes and pays 200 sats.
How much did my second transaction increase the available fees in the mempool? Zilch.
Ergo, the relay of my second transaction was free, and I can repeat that until one of my transactions gets confirmed.
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