Logos Collective Weekly Summary

Logos Blockchain 0.2.0 released across the stack

• Blockchain Node 0.2.0 released; module logos-blockchain-module #50 and dashboard UI logos-blockchain-ui #31 bumped and pinned in releases logos-modules-release #22
• LEZ Module logos-execution-zone-module #40, LEZ Wallet UI logos-execution-zone-wallet-ui #26, LEZ Indexer lez-indexer-module #15, LEZ Explorer lez-explorer-ui #11
• Deployments moved to Logos Core as the init node (in-review) — #3084
• Dashboard UI default deployment cleaned up — logos-blockchain-ui #32, logos-modules-release #25

Post-Quantum

• Blend post-quantum primitive candidates document finalized — doc
• Post-quantum primitive benchmark document published covering Raspberry Pi 5 and Apple M3 — doc, with consolidated benchmark code on the branch
• Post-quantum migration presentation prepared — doc

Cryptarchia

• Checkpoint-based Fast Bootstrapping RFC opened for review (in-review) — logos-lips #368

Total Stake Inference

• "Improving Total Stake Inference — Notes" published, clarifying technical aspects of the total-stake-inference + uncle-references protocol — doc

Permissionless Channel Sequencing

• Turn-assignment mechanisms survey completed: 11 candidate schemes with pros/cons, confirming the stake-lottery approach falls apart against the linear-zone-state and envelope-only-inscription properties — doc
• Permissionless Channel Sequencer proposal revised around a reset threat model — channel spam/denial-of-service as the primary threat, targeting 100–1000 sequencers — with open forks on registry mirroring and inactivity delisting — doc

Cross-Zone Sequencing

• Cross-Zone Atomic Coordination Protocol specification extended with a corner-case analysis covering abort scenarios, attack vectors, and failure modes; a timeout mechanism with candidate parameters and tradeoffs; and authentication moved from per-message signatures to per-connection establishment — doc

Anonymous Communications

• Anonymous-communications pipeline simulation framework built with three system models behind a common interface (Tor-like with and without cover traffic, shared-mixing k-mixer pipeline), plus two closed-form anonymity predictions — a single-mixer mean-field approximation and a multi-stage absorbing-random-walk extension — validated with statistical significance testing — doc
• Experiments framework and Tor-like anonymisation layer built, with a global-passive-adversary observation seam (the Trace schema) — doc

Blend

• Blend peer metrics corrected: reporting stops when a node leaves the membership set — #3044; metric now tracks negotiated peers instead of swarm connections — #3059; follow-up fixes from monitoring the latest devnet run — #3066

Mantle / Security Audit

• NomEncode/NomDecode migration continued: LeaderClaimOp — #3046, TransferOp — #3065, and operation proofs — #3078 merged; CryptarchiaParameter (in-review) — #3082

Node

• Transactions and encodings refactored to prepare the transaction-verification revamp — #3076; block size raised to 2 MB — #3042
• Batch Groth16 verification revamped — #3026; deployment file structure reworked for templates and multiple environments — #3034
• Mempool now preserves transaction receive order (in-review) — #3053; wallet pending-note reservation stops concurrent transactions reusing the same funding note (in-review) — #3080; KMS execution errors propagated back to callers (in-review) — #3073
• C bindings shutdown fixed to fully stop the Overwatch process, with improved pointer handling (in-review) — #3075
• SRP enabled — #2882, with SdpRewardDistributed events emitted for the wallet — #3067; SDP garbage collection removed — #2943
• Bounded-vec invariant protection strengthened — #3071; bounded size and transaction count for blocks (in-review) — #3068

Testing

• Snapshot support added: Testing Framework core (in-review) — logos-blockchain-testing #56 and wallet-aware Cucumber restore merged — #3045; end-to-end tests fixed for non-zero gas prices (in-review) — #3083
• tui-sequencer CLI commands enable a roundtrip wallet→zone→wallet demo — #2938; Cucumber wallet transaction scenarios stabilized — #3052

Zone SDK

• Channel updates fired on conflict with adjusted policies — #3021; MantleTxContext extracted from MantleTxBuilder, the first step toward Tokenomics support in the zone SDK (in-review) — #3081

LEZ Module & Wallet UI

• Wallet FFI labels merged — #577; module repo cleanup — logos-execution-zone-module #39
• Wallet synchronization flow reworked (in-review) — #585; wallet deploy command now waits for transaction inclusion in a block (in-review) — #587; unnecessary signing with recipient keys dropped (in-review) — #594; public-account initialization fix (WIP, draft) — logos-execution-zone-wallet-ui #28

Accounts

• Commitment mechanism for the new private account merged — #546; ephemeral-secret-key generation strengthened — #569
• View-tag randomization for updated accounts (in-review) — #591; dummy-note padding via random seeding of nullifiers and commitments (WIP, draft) — #592
• LEE Key Protocol spec updated for ephemeral secret keys — doc; account-diff proposal drafted for public-account race conditions — hackmd

Explorer & Indexer

• Indexer testnet-state initialization fixed so finalized transactions appear in the explorer — #588; base58 account ids accepted — lez-indexer-module #14, lez-explorer-ui #10
• Indexer logging improvements and in-UI RocksDB reset — lez-indexer-module #16

Sequencer

• Denial-of-service fix merged: zero-value deposits rejected by the sequencer — #583

Cross-zone

• Async cross-zone messaging ready for review, now with a browser demo: send messages from zone A to zone B and watch send/finalize/receive timings live (in-review) — #542

Benchmarks

• Keccak speedup for the Risc0 backend merged — cuts proving time by ~50% — #551

Refactor

• Long-function cleanups merged across the key protocol, state machine, circuits, and integration tests — #532, #533, #535, #541, #545
• Integration tests sped up by starting the sequencer from prebuilt blocks (in-review) — #590

Keycard

• Migration from keycard-py to keycard-rs started (WIP, draft) — #595; keycard-rs secure channel hardened and key material zeroized — keycard-rs #1

Specifying oracle mechanism

• Finished and presented the RFC PR for review
• Reviewed the RFC PR

• Address identified issues for the Logos Blockchain part with the necessary RFC changes

Implement MVP payment protocol

• Finalized payment streams on testnet and localnet for both the standalone and Store integration journeys

• Present at Townhall
• Address feedback

Specify and implement RLN membership allocation service

• Reliably simulated the protocol in a mix network against testnet 0.2, per the journey

• Prepare and begin 0.3 deliverables, likely starting with the RLN membership management module

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

• Traced testnet-0.2 bugs across chat-side receive-reliability and service discovery; explored folding LEZ-RLN gifter work into the chat-mix v0.2 stack; reviewed the v0.3 roadmap
• Completed the testnet doc packet and testnet demo app; all fixes ready after feedback

• Revisit differentiated rate-limiting with local reputation

Integrate and dogfood capability discovery in Logos Delivery

• Tested the doc packet for phases D and E; added logs for discovery testing in nim-libp2p; collaborated with the DST team on testing and debugging
• Completed a first draft of the service table bootstrap mechanism

• Continue collaboration with DST on discovery testing
• Continue work on the service table bootstrap mechanism

Testnet maintenance release

• New testnet release (Storage/UI v2.0.1):
  • logos-storage-module@2.0.1
  • logos-storage-ui@2.0.1 — ships support for DHT queries over mix
• Together with what was released last week, this completes the round of deliverables for the Logos v0.2 testnet

Malicious-path research

• Studied the guard and vanguard specs that Tor uses to get a better understanding of the malicious-path problem
• Experimented with the guard approach over mix as described in the paper