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Monero Research Lab (Unofficial) retweeted
The third version of beta stressnet for Full-Chain Membership Proofs (FCMP++) and CARROT will go live on October 5!
'Full-Chain Membership Proofs prove the output spent is one of any output on the chain, effectively removing all of these risks. This means every input goes from an immediate anonymity set of 16 to 100,000,000.'
Code is ready. Target fork Monday 5 Oct 2026; binaries expected within a day. jeffro256 proposed a 10 MB initial penalty-free zone to skip warm-up and resume prior spam volumes; leftover bugs should match the earlier raise to 625K.
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rucknium and gingeropolous reproduced the Nyx eclipse in monerosim; countermeasures are under test. Attack needs ~1,000 IPs, each in its own /24. No mainnet Nyx signature in recent scans. Detectability: attacker must stuff reachable white lists, biasing honest peerlists.
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Shi et al. (2026) "Are Unreachable Nodes Truly Safe? Fully Eclipsing Monero’s P2P Network!": arxiv.org/pdf/2609.10260
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Goal of a larger white list: if it exceeds reachable IPs, honest peers cannot be evicted. vtnerd warned recency bias helps after restart with dead ip:port pairs; rucknium said restarts use the anchor list first and is not committed to uniform selection.
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jpk68 asked for a written peer-handling spec; rucknium agreed and said Chesterton’s-fence deference to original CryptoNote P2P should end. White-list size 1,000 dates to the oldest codebase commit. ack-j posted repo-wide git-blame results (img.).
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.@MagicGrants commissioned Dr. Wang after an earlier CCS review found a proof gap but treated the theorem as fine in practice without a rigorous write-up. Wang/Liu supplied a rigorous repair. ack-j said MAGIC is happy with Wang’s group.
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Bulletproofs+ Aggregate Range Proof Issue Identified and Resolved: magicgrants.org/2026/09/22/B…
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Code is ready. Target fork Monday 5 Oct 2026; binaries expected within a day. jeffro256 proposed a 10 MB initial penalty-free zone to skip warm-up and resume prior spam volumes; leftover bugs should match the earlier raise to 625K.
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FCMP beta stressnet: github.com/seraphis-migratio…
Version 3 launch checklist: github.com/seraphis-migratio…
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RandomX v2 will be in v3. sech1 will ship P2Pool v5.0-beta after pulling Carrot K^j_v rebind (github.com/seraphis-migratio…), generator T (github.com/monero-project/mo…), and carrot_convergence tests.
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Helioselene audit (@LeastAuthority) is near release; last week a candidate was chosen for a second-round circuit/gadgets + fcmp-plus-plus lib audit. Luke patched a Helios/Selene “best practice” finding: github.com/monero-oxide/mone….
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FCMP++ to-do list status. Programming tasks: github.com/seraphis-migratio…
Reviews and audits: cryptpad.fr/sheet/#/2/sheet/…
FCMP++ Integration Audit Overview: github.com/seraphis-migratio…
Network upgrade schedule Gantt chart: html-preview.github.io/?url=…
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Integration cleared hot-cold, unique curve-tree roots (github.com/seraphis-migratio…), and RandomX V2 on staging. First 2/3 Audit Phase 2 PRs are merged; open upstream PR is curve-tree building, github.com/monero-project/mo….
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Kirschner (2026) “An Analysis of Monero’s Network Topology” (ieeexplore.ieee.org/abstract…). jkirsch10 presented a ~2-year-old passive crawl: discover active nodes via the Monero protocol, then measure network-level structure.
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boog900 said current code drops oversized lists, with 250 the max add per message and 1,000 the full list. LinkingLion has been active since ~2018 (selsta cited github.com/monero-project/mo…). Interpretation split: paper “edges” are white-list membership, not live connections.
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jkirsch10: ~24% suspected spy nodes accounting for 67% of those white-list edges and embedding in everyone else’s lists. rucknium pointed to xmrnetscan.redteam.cash/ and Gao et al. 2025 (moneroresearch.info/278). Author called the paper limited but useful as experiment fodder.
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Monero Research Lab Meeting - Wed 23 September 2026, 17:00 UTC
github.com/monero-project/me…
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Relative locks with FCMP++: github.com/monero-project/re…
rucknium: IIRC, tevador and jberman were discussing tests.
jberman: no update from me. I think it's fine to keep it as an agenda item in case people want to discuss. Also can be labeled "Enabling payment channels with Relative locks with FCMP++"
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Shi et al. (2026) "Are Unreachable Nodes Truly Safe? Fully Eclipsing Monero’s P2P Network!": arxiv.org/pdf/2609.10260
rucknium could not run reproduction code but finds the attack plausible: poison peerlists so unreachable nodes only connect to adversary peers. Suspected flaws: inbound connections pace whitelist inserts; 1,000-peer whitelist (from CryptoNote github.com/monero-project/mo…).
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