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roadmap/content/nomos/updates/2024-03-11.md

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title tags date lastmod draft description
2024-03-11 Nomos weekly
nomos-updates
2024-03-11 2024-03-11 false Weekly update of Nomos

cryptarchia

research

  • We have updated the Cryptarchia specification with the update epoch stabilization schedule - PR.
  • Analysis of adversarial inference of relative stake: derived an equation that can be used to infer the Lagrange parameter in the maximum likelihood inference of relative stake - the details of the analysis.

development

  • Removed assumptions on Carnot being the consensus algorithm in the mempool: PR.
  • Separate ledger and consensus to prepare for integration: PR.

mixnet (network privacy)

Research

  • Work in Progress (WIP): The Mixnet Incentivization document has been initiated. Current open questions will be addressed, covering system design, mathematical analysis, and more.
  • Continuing work on the mixnet with staking, incorporating modifications based on feedback. A section has been added concerning the hidden bonus of deanonymization. It’s a straightforward observation that random assignment of adversarial nodes can, in some cases, lead to a higher number of adversarial paths than naively expected. Also, a section about discussing the latency and anonymity relationship has been started. WIP document.
  • Analysis of the fraction of compromised paths in the mix network: using an asymptotic lower bound to estimate the probability that the fraction of compromised paths, α, belongs to the interval [α0​,α1​]. The analysis suggests that in the mixnet of size n=240 with L=3 layers sampled from N=800 nodes, where M=200 nodes are adversarial, α can be almost three times larger than the average (M/N)L which assumes a mixnet of infinite width. The parameters n=240, L=3, and N=800 are currently used in Nym’s mixnet. Here for ¼ of adversarial nodes, the fraction of compromised paths can be as high as 0.05. To compare, the average here is 0.02. Summary is provided here.

development

  • All PRs for Mixnet v1 implementation have been merged. We've taken some additional time to polish the code according to feedback.
  • One remaining PR we are working on is adding a compilation option to enable mixnet. We're going to always enable mixnet in production, but we've discussed that it's also good to remain in the libp2p-only compilation mode for development to unblock other dev topics until everything of mixnet becomes stable. Will be finished this early this week.

data availability

research

  • No current updates.

development

  • Finished RS core encode/decode: there was an issue with different FFT calls from different libraries that didn't work and took a while to debug. They use floating numbers, and when rounding or using a big set of operations, precision leads to errors - PR.
  • Implemented DA protocol encoder: PR.
  • Implemented DA protocol verifier: PR.
  • DA API mempool tests using a mock implementation PR - The previous PR defined an abstraction for verifying and filtering what to include in the generic mempool; this PR provides mock implementations for TX and Cert verification/filtering. WIP: DA API indexing for data blobs - adding an index to data blob in DA node when the certificate is observed in the block.

coordination layer

research

development

  • Heavily in research, no development updates.

testnet

development

  • Explorer works well now, can share the data directories with the node, and provide data through HTTP: PR.

miscellaneous

  • Nomos has a new HackMD account - our team will be publishing various notes on it - mostly scientific in nature.
  • Blog to be released this week. Stay tuned on our website.