Logos Collective Weekly Summary

Total Stake Inference

• Derived approximation for average global-broadcast latency on a random regular graph network, completing the latency model — Modelling of Network Delays
• "Total Stake Inference with Network Delays" document completed and ready for internal review — doc

Cryptarchia

• Checkpoint-based Fast Bootstrapping RFC moved from blocked StateRoot draft to a concrete StateRoot V1 design: tokenomics_state and TokenomicsStateRoot defined for retained Anonymous Leaders reward state (voucher tree, voucher nullifiers, leaders_rewards, current-epoch vouchers); checkpoint-package validation tightened — RFC

Post-Quantum

• First post-quantum benchmark results on Raspberry Pi 5 (in-review) — logos-blockchain-pocs #111
• Post-quantum ZK proof-system candidates listing started — doc

Incentivization

• EmPoWering proposal merged with the fixed-per-epoch, note-based reward approach and approved — proposal
• Investigation started into puzzles that protect Blend from spam and rewards from abusive mining

Anonymous Communications

• Literature review published: "Anonymous Communication Systems and Privacy Properties for Private Proof-of-Stake Networks" — doc
• Consolidated literature review across 20 sources (proof-of-stake/private proof-of-stake, anonymous-communication designs, the anonymity trilemma, traffic-analysis attacks) — doc

Permissionless Channel Sequencing

• First full design draft completed for permissionless channel sequencing through a staked lottery, with an alternate ZK variant and partial code implementation — doc

Cross-Zone Sequencing

• Cross-zone failure analysis completed: 7 concrete failure modes documented across the three round-robin sequencer modes (atomicity violations, ordering inconsistency, liveness failures) — doc

Blend

• Panic-causing concurrency bug in Blend fixed — #2887
• Edge node now drops a message after N failed attempts instead of endlessly picking new peers — #2893

Security Audit

• First round of security-audit fixes merged — #2904, #2907, #2908, #2913, #2914, #2915; second round merged — #2925
• ChannelWithdrawOp migrated to the NomEncode/Decode trait with enforced static bounds — #2926; SDPDeclareOp migration (in-review) — #2928

Zone SDK

• Cycle bug fix merged — #2840; checkpoint returned with block-processed event plus sync publish merged — #2872
• zone-sdk slot-clock mutability bug fixed — #2933
• More descriptive zone-sdk events for user feedback (in-review) — #2934
• Decentralized-sequencing developer docs (in-review) — #2929; bridging user guide (in-review) — #2898
• Worked example for the TUI zone (deposit/withdraw, in-review, draft) — #2938

Node

• Signature well-formedness check fixed — #2884; arkworks bumped from 0.4 to 0.5 — #2888
• Binary block wire encoding/decoding realigned with the spec — #2927; missing binary CLI commands exposed to the c-bindings (for Logos Core headless mode and UI) — #2935
• Garbage collection and note unlock gated to the epoch transition — #2881; strict_add used for Epoch and Slot — #2924
• Service Reward Protocol (SRP) enabled in SDP, with tests and rejection of activity messages after a multi-epoch jump (in-review, drafts) — #2882, #2885, #2886

Release

• Release candidates 0.1.3-rc.9 — #2889 and 0.1.3-rc.10 — #2902 cut
• Node binary built with the --locked cargo flag on release — #2892; pinned circuits updated to the leak-free release — #2901
• 0.1.2 → migrate CLI command added — #2912; declaration ID read from config for init-node configs — #2891; standalone config and ceremony files for replication — #2895; deployments directory refactor — #2920

Rewards

• Leader reward claim flow exposed end to end (in-review): node C bindings — #2897, module — module #31, dashboard UI — ui #18
• Pending voucher tracking added so concurrent leader claims do not reuse the same voucher/funding notes (in-review) — #2923

Logos Core

• Blockchain runs as a Logos Core module: logoscore-cli and lgpm built and the blockchain module joined the Blend network on 0.1.3-rc.10 — journey
• Debug info containing /nix/... paths stripped to build a portable macOS module — module #30; standalone lgx module build workflow — module #29

Testing

• Cucumber stress tests improved while stress-testing the new mempool — #2854; max_concurrent_scenarios set to 1 for stable runs — #2917; macOS deployment target set for CI — #2878
• Internal explorer fixes with a link to the community explorer — #2918
• Bounded size and count transaction vec for blocks (in-review, parked until after testnet 0.2.0) — #2921

Circuits

• ZK proving memory leak fixed — logos-blockchain-circuits #48
• Nix build fixed and loose circuit files purged from the Nix package — #2894, #2936; auto-update of Nix hashes retagged — logos-blockchain-circuits #49
• Module updated to a 0.1.3-rc.10-compatible version — logos-blockchain-module #28

Tooling

• Logos modules and UI updated to be 0.1.3-rc.10-compatible — logos-modules #61
• rust-rapidsnark Nix packaging (WIP) — branch
• Overwatch: deprecated proc-macro-error2 dependency replaced (in-review) — Overwatch #137; cargo deny bumped to 0.19.8 (in-review) — #136
• Logos module viewer updated to the new-style SDK plugin interface (in-review) — logos-module-viewer #5

Accounts

• Public account keys now post-quantum secured and verified with keycard integration — #362
• Ciphertext (encrypted account data) malleability bug fixed — #523
• msgid removed — #516
• Refactor to decouple lez from lee (in-review, draft) — #524

Specs

• Logos Execution Zone specifications completed and ready for review — doc

Logos Core

• Mnemonic and key restoration exposed through the wallet UI (in-review) — #518; LEZ module restoration support (in-review) — module #22
• LEZ wallet Logos Core module building against the updated Logos Blockchain version (in-review) — #526

Indexer

• Hot-fix for processing deposit transactions on the indexer — #520

Benchmarks

• Public execution measurements reported in milliseconds for the Tokenomics team — #521

Cross-Zone

• Async cross-zone messaging RFC drafted — summary, motivation, trust model, locked decision and proposed design (WIP) — RFC

Journeys

• User journeys completed: shared private accounts, public↔private native token transfers (including private donations), cross-program calls, and the timelock feature — #321, #322, #325, #326

Deployment

• Denial-of-service bug found by the infra team fixed — #515

Integrate and dogfood capability discovery in Logos Delivery

• Specified logs and metrics for testing in the Service Discovery Network Simulation forum post; discussions and queries around dogfooding
• chat2disco 2.0 and service discovery bug fix

• Review roadmap and add missing logs in nim-libp2p for dogfooding

Specify and implement extended DoS and exit node abuse protection for libp2p mix

• Published feat/mix — basic test mixnet
• Scoped chat-UI-over-mix on testnet 0.2 stack against feat/sim-rln-gifter-auth-v2, requiring LEZ-RLN combined with the stateless backend

• Swap in new-stack dependencies (nim-libp2p 2.0.0 + extracted nim-libp2p-mix + cover-traffic) on top of feat/sim-rln-gifter-auth-v2

Integrate de-MLS into Logos Chat

• Moved all PoC-specific parts into example; library now contains only conversation handling
• Updated tests on the libchat side

• MLS credential extraction from de-MLS

Implement MVP payment protocol

• Resolved compatibility issue for payment streams module integration with wallet module

• Implement chain access, proof generation and verification in payment streams module (steps 11+ of the plan)

Specifying oracle mechanism

• Addressed feedback on oracle zone forum post
• Generated poc1 for LON zone signature verification benchmark, and poc2 for mocked zone on-chain aggregator that collects, validates and finalizes price data
• LON indexer / sequencer specs

• Investigate Logos blockchain finality and cross-zone attestation latency
• Real sequencer / indexer implementation

NAT Traversal progress

• First file transfers via NAT connection reversal completed; Identify/AutoNAT demonstrated effective at guessing external IPs and node connectivity — should make node setup significantly simpler, particularly once hole punching is in place
• Manual testing
• Setup integration testing using podman environment

• Finish manual testing
• Apply first review comments

Dynark paper implementation

• First working implementation of the Dynark paper — turns out the approach can be significantly improved
• Found several significant improvements over the paper version, some already implemented in the branch above

• Experiment with the remaining improvements and variations

Status integration progress

• Multiple rebases, refactoring of ArchiveManagerLogosStorage, more tests; PR ready for review — status-go #7486 (logos storage for History Archives)
• One approval received

• Waiting for one more approval from infra team and incorporating any review comments

Mix transport progress

• Settled the discussion regarding the operational mode of the MIX protocol — discussion; decided to wait with implementation until more experimental data come in from the basic MIX transport layer for storage
• Merged nim-libp2p-mix #12
• Merged nim-libp2p-mix #21

• Experimenting with basic Mix Transport implementation for Logos Storage
• Bumping libp2p to the next release 2.0.1