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* Create 2023-11-13.md * Update 2023-11-13.md --------- Co-authored-by: Álvaro Castro-Castilla <alvatar@protonmail.com>
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| title | tags | date | lastmod | draft | description | |
|---|---|---|---|---|---|---|
| 2023-11-06 Nomos weekly |
|
2023-11-13 | 2023-11-13 | false | Weekly update of Nomos |
network privacy and mixnet
research
- Analysis of failure probability in random partitions of networks constructed from nodes with prescribed voting “weights”:
- Considered a scenario when weights and Byzantine labels of nodes are sampled once, i.e. fixed, and then assigned to committees randomly.
- A derivation of a probability distribution for the random process is currently in progress
- Considered designing a gradient descent algorithm which, given weights and Byzantine labels of nodes, tries to find assignments to committees with the smallest number of failures.
- Analysis and implementation of the above algorithm is currently in progress. -reviewed literature on analysis of Loopix mixnets and implemented code for a simulation which computes fraction of de-anonymized messages.
- The details on all of the above are provided in https://www.overleaf.com/read/kkmsngmcgbkj#c4de95
- Walked through core parts of Nym implementation again to get details of what are written in papers.
- Clarified sphinx packet creation process (+ encryption): https://www.notion.so/Mixnet-Specification-807b624444a54a4b88afa1cc80e100c2#d0bbc9d1f63e43faaa30bb4c888102bd]
- Clarified delay calculation in Poisson distribution (inspired to Nym impl): https://www.notion.so/Mixnet-Specification-807b624444a54a4b88afa1cc80e100c2?pvs=4#3ae7e03fcbad461ab8d6b57e5c0e88fe
- Clarified loop cover traffic creation & interval in Poisson (inspired to Nym impl): https://www.notion.so/Mixnet-Specification-807b624444a54a4b88afa1cc80e100c2?pvs=4#14f53c5d6c844c828689f0412d5e2195
- Suggesting skipping two other types of cover traffic (at least, for now)
- Drop cover by nomos-node: https://www.notion.so/Mixnet-Specification-807b624444a54a4b88afa1cc80e100c2?pvs=4#76993c1312ea464a88557987a2f37b60
- Loop cover by mix-node: https://www.notion.so/Mixnet-Specification-807b624444a54a4b88afa1cc80e100c2?pvs=4#f07a473a4b5d4f338ff024a145f6b525
development
- Nomos integration test stabilization: https://github.com/logos-co/nomos-node/pull/533
- Mixnet implementation improvement
- Fixed the concurrent packet handling in Mixnode: https://github.com/logos-co/nomos-node/pull/530
testnet
development
- Public deployment of Nomos testnet on nomos.tech infra: general, https://github.com/status-im/infra-misc/issues/189, https://github.com/logos-co/nomos-node/pull/513, https://github.com/logos-co/nomos-node/pull/520, https://github.com/logos-co/nomos-node/pull/524
- The hardware and automation done and already running a master branch of our docker compose testnet. New tasks will be created for improving metrics, logging and stability, but this is a big milestone as we are now in control of this environment.
- Prometheus with new http api: https://github.com/logos-co/nomos-node/pull/522, https://github.com/logos-co/nomos-node/issues/523
- A proposal for metrics collection using prometheus, this will enable us to see what's happening in the node network easier.
- Simulations finalization times debugging: The issue when views are advanced faster than they should in simulations remains, the ability to remove all network constraints didn't resolve the issue. I still don't know the main reason for it, hopefully this week we'll have a breakthrough in this regard.
- Fixed an issue with nomos-cli api https://github.com/logos-co/nomos-node/pull/525
- Add options to provide custom writer for log https://github.com/logos-co/nomos-node/pull/518
- Disable logs https://github.com/logos-co/nomos-node/pull/517
- Remove process::exit(1) from library code https://github.com/logos-co/nomos-node/pull/516
- Limit carnot/blocks response size https://github.com/logos-co/nomos-node/pull/515
- Do not use 0x prefix in serialization https://github.com/logos-co/nomos-node/pull/514
- Identified https://github.com/logos-co/nomos-node/issues/526
private PoS
research
- "Delegation and Validation Rewards" doc update: https://www.notion.so/Delegation-and-Validation-Rewards-d4af3f87a0b240739ff99b15af11cb3f?pvs=4
- Multi-staking: The discussion doc was discussed and we have decided that the complexities mentioned in the document are currently out of the scope.
- Private Leader Election: During the week it become more apparent that the private voting design is not a priority and we have decided to design a (general also multi-staking compatible) private leader election mechanism that is based on the single-staking design. The output is documented here: https://www.notion.so/Private-Leader-Election-for-Carnot-PoS-e720168ff3c44d098ec6a4aa586188da?pvs=4
- Explore interesting lines for PPoS:
-
- [Automatic Persistant Validator Identifier from Public Staking Transactions](https://www.notion.so/Public-Stake-Value-w-o-a-Persistent-Identifier-62a3237b97d44b87924ba3fff74f0362?pvs=4 "Automatic Persistant Validator Identifier from Public Staking Transactions)
- Single Staking w/ Network Tricks
- Failed attempt: Hashed and Salted Stakes
- Is Network Privacy enough for PPoS
-
data availability
research
development
miscellaneous
- Nomos team will be at the offsite this and next week (ends of 2023-11-23).