Questions tagged [pinning-attack]
6 questions
13
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1 answer
What is meant by transaction 'pinning'?
What is meant by the term 'transaction pinning'?
jnewbery
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5
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2 answers
How would an adversary increase the required fee to replace a transaction by up to 500 times?
In the ephemeral anchors draft BIP (also discussed here) it states that without V3 transactions an adversary can increase the required fees to replace a transaction as much as 500 times. That sounds a lot. What is the exact scenario where there…
Michael Folkson
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4
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1 answer
How does RBF (BIP 125) behave, when the unconfirmed UTXOs are being spent?
Let's assume we broadcast transaction A (TXA), signalling Replace-By-Fee as defined in BIP 125. We pay 1 sat/vByte for the transaction.
One of the outputs goes to Bob. But Bob immediately spends his output, even before TXA is confirmed. Let's call…
Dalit Sairio
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3
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1 answer
What is an ephemeral anchor and what problems do they address?
What is an ephemeral anchor and what problem(s) would their introduction address? What is their relation to anchor outputs in Lightning? Are ephemeral anchors a prerequisite for eltoo?
V3 and package RBF are discussed here.
Mailing list post…
Michael Folkson
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1
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What and where are the current status of the BIP 125 replacement, the V3 Policy proposal, package RBF etc?
Whenever I try to review P2P and mempool (default) policy proposals I end up going round in circles around this maze of docs, mailing list posts and pull requests. Some of them are outdated, some present the latest state of proposal(s), sometimes…
Michael Folkson
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0
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1 answer
What issues would changing the default policy in Core to mempoolfullrbf=1 resolve and which of the current policy proposals would be simplified?
What issues would changing the default mempool policy in Core to mempoolfullrbf=1 resolve and which of the current policy proposals (e.g. BIP125 replacement, V3 Policy, package RBF, discussed here) would be simplified?
Michael Folkson
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