[doc] update mempool-replacements.md for incremental relay feerate change
What the developer wrote
Authored by glozow
[doc] update mempool-replacements.md for incremental relay feerate change
What changed, and why it matters
This commit only updates documentation text to reflect a previously changed default fee rate. It does not modify any code, network behavior, or security logic, so it has no direct security impact.
No security action needed; this is a documentation-only update.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The commit changes one Markdown file (doc/policy/mempool-replacements.md), updating the example incremental relay feerate from 1 satoshi/vB to 0.1 satoshi/vB and adding a bullet noting that PR #33106 set the default to 0.1 sat/vB. No executable code is changed.
Changed components
doc/policy/mempool-replacements.mdInspect captured patch +4 / −2
diff --git a/doc/policy/mempool-replacements.md b/doc/policy/mempool-replacements.md
index eb370672..73682e2f 100644
--- a/doc/policy/mempool-replacements.md
+++ b/doc/policy/mempool-replacements.md
@@ -32,8 +32,8 @@ other consensus and policy rules, each of the following conditions are met:
4. The additional fees (difference between absolute fee paid by the replacement transaction and the
sum paid by the original transactions) pays for the replacement transaction's bandwidth at or
above the rate set by the node's incremental relay feerate. For example, if the incremental relay
- feerate is 1 satoshi/vB and the replacement transaction is 500 virtual bytes total, then the
- replacement pays a fee at least 500 satoshis higher than the sum of the original transactions.
+ feerate is 0.1 satoshi/vB and the replacement transaction is 500 virtual bytes total, then the
+ replacement pays a fee at least 50 satoshis higher than the sum of the original transactions.
*Rationale*: Try to prevent DoS attacks where an attacker causes the network to repeatedly relay
transactions each paying a tiny additional amount in fees, e.g. just 1 satoshi.
@@ -77,3 +77,5 @@ This set of rules is similar but distinct from BIP125.
* Full replace-by-fee is the default policy as of **v28.0** ([PR #30493](https://github.com/bitcoin/bitcoin/pull/30493)).
* Signaling for replace-by-fee is no longer required as of [PR 30592](https://github.com/bitcoin/bitcoin/pull/30592).
+
+* The incremental relay feerate default is 0.1sat/vB ([PR #33106](https://github.com/bitcoin/bitcoin/pull/33106)).
Why this scored 15/100
Community notes
Notes can correct, qualify, or add evidence to the AI analysis. Every note shown here has been validated by a human moderator.
The AI analysis stands alone for now. Submit a note if you can add evidence or important context.