2026-05-11 Logos Blockchain weekly

Logos Blockchain Weekly Update - 2026-05-11 §

blockchain:highlights §

• Multiple-owners task complete on LEZ: GroupKeyHolder for GMS key management logos-execution-zone#449 and wallet group commands with shared account derivation (PDA + non-PDA accounts) logos-execution-zone#460 both merged
• Areon paper submitted to NDSS 2027: substantial revision of the CCS 2026 version with tightened claims and expanded theory + experiments submission, artifacts
• Mantle Tx simplification RFC implemented: transaction hash simplified (Poseidon2 removed, blake-only) and gas prices removed from Mantle Transactions RFC, logos-blockchain#2612, logos-blockchain#2670
• LEZ sequencer and indexer migrated to zone-sdk (away from bedrock client): foundational architectural cleanup logos-execution-zone#389
• Decentralized Sequencing main logic merged: completes the zone-sdk competing sequencer suite (joining TUI and e2e tests from prior weeks) logos-blockchain#2446

blockchain:bedrock:research §

• blockchain:bedrock:research:total-stake-inference

  • “Modelling of random delays” document created: reviews statistical properties of the delay model used in simulations and proposes a new model accounting for O(log N) broadcast latency on a network of N nodes doc

• blockchain:bedrock:research:cryptarchia

  • Areon paper submitted to NDSS 2027: substantial revision of the CCS 2026 version; protocol scoped to Nakamoto-style multi-proposer PoS DAG with explicit assumptions; new simulations (multi-seed comparison, delay stress tests, robustness, design ablations) submission, artifacts
  • Cryptarchia v1 and Post-Quantum Security report updated with Table 3: operational migration summary listing each Cryptarchia component’s current primitive, proposed PQ replacement, size impact, and migration phase doc

• blockchain:bedrock:research:blend

  • Session-removal RFC: Mantle spec revision added, withdrawal-logic inconsistency identified and corrected, and SDP snapshot timings clarified RFC
  • Post-Quantum Safety Analysis of the Blend Protocol: revisions incorporating review feedback doc

• blockchain:bedrock:research:cryptoeconomics

blockchain:bedrock:eng §

• blockchain:bedrock:eng:blend

  • HTTP CLI wrapper for API: first command to join Blend as a core node logos-blockchain#2695
  • Expose Blend provider ID via /blend/info endpoint logos-blockchain#2715
  • Fix core→edge transition bug in Blend (in-review) logos-blockchain#2722
  • Remove sessions from SDP (in-review) logos-blockchain#2692
  • SDP: remove dead SessionState::update code as preparation for session→epoch replacement logos-blockchain#2666
  • SDP: don’t store Blend reward parameters in recovery state — params always loaded from deployment config logos-blockchain#2676
  • SDP HTTP set-declaration-id endpoint logos-blockchain#2716
  • SDP genesis validation context (in-review) logos-blockchain#2731
  • Add blend_zk_pk to known keys logos-blockchain#2718

• blockchain:bedrock:eng:mantle

  • Mantle Tx simplification RFC implemented RFC
    • Transaction hash simplified: Poseidon2 removed; only blake used, with modulo to convert to Fr element where needed logos-blockchain#2612
    • Gas prices removed from Mantle Transactions logos-blockchain#2670
  • Poseidon2 instantiation clarified in specs and test values implemented spec, logos-blockchain#2710

• blockchain:bedrock:eng:mempool

  • Remove unused tx broadcast logos-blockchain#2684

• blockchain:bedrock:eng:decentralized-sequencing

  • Zone-SDK competing sequencers main logic merged logos-blockchain#2446
  • Zone-SDK reorg event simplified for decentralized sequencer first-write-wins (in-review) logos-blockchain#2697
  • Channel signature and zone-sdk updates (in-review) logos-blockchain#2733
  • Flexible bounded blocks streaming API merged (in support of sequencer POC) logos-blockchain#2610

• blockchain:bedrock:eng:testing

  • Use different runner for each platform when building images in CI logos-blockchain#2647
  • cargo hack proc-macro feature declaration fix logos-blockchain#2689
  • Fix large transaction input handling in cucumber tests logos-blockchain#2680
  • Stress test for continuous coin split transactions (in-review) logos-blockchain#2711

• blockchain:bedrock:eng:testnet

  • Docker image publish workflow: latest for releases, latest-rc for release candidates logos-blockchain#2665
  • Use explorer tag for environment in docker logos-blockchain#2726

• blockchain:bedrock:eng:node

  • Block-tracker abstraction explored and closed; follow-up issue opened to revisit multi-branch state tracking logos-blockchain#2674, issue #2687
  • Validate locator format: reject multiaddrs with peer ID or unspecified IPv4/IPv6 logos-blockchain#2712
  • KMS configuration detached from node config: enables easier configuration migration across testnet runs and token migrations logos-blockchain#2713
  • Logging improvements: reduce noisy node logs (in-review) logos-blockchain#2675, runtime log reload (in-review) logos-blockchain#2706, init log filter logos-blockchain#2720, normalise default node logs (in-review) logos-blockchain#2719
  • Verify immutable block ID logos-blockchain#2682
  • Ignore blocks before LIB logos-blockchain#2683
  • Restore unwired metrics logos-blockchain#2690
  • Cryptarchia: always compute LCA with old tip to collect reorged blocks (fixes potential infinite loop) logos-blockchain#2677
  • Chainsync: MAX_INCOMING_REQUESTS made user-configurable logos-blockchain#2701
  • Add --no-ibd flag and increase default PBP to 1 hour logos-blockchain#2705
  • Orphan recovery node stalling fix (in-review) logos-blockchain#2709
  • Stateless genesis block generation tooling: distribution command logos-blockchain#2688, inscriptions command (in-review) logos-blockchain#2696, ceremony command (in-review) logos-blockchain#2728, genesis CI workflow (in-review) logos-blockchain#2732
  • Tracing/logging: appender options for max files + simple logger logos-blockchain#2717, compressed appender logos-blockchain#2686
  • Chain service: await chain start time logos-blockchain#2685
  • Blockchain-tools binary name prefix logos-blockchain#2723

• blockchain:bedrock:eng:circuits

  • Circuits as libraries: poc, pol, and signature circuits implemented (joining poq); common utils crate extracted; pre-commit + CI lint/test workflows added (WIP) logos-blockchain-circuits#16
  • Integrate circuits libraries into node for poq, pol, poc, and sig (in-review) logos-blockchain#2679
  • Unify proofs’ Error type across ZK code logos-blockchain#2694

• blockchain:bedrock:eng:explorer

blockchain:logos-execution-zone §

• blockchain:logos-execution-zone:accounts

  • Diversify private PDAs by identifier: integration tests and edge case coverage added (in-review) logos-execution-zone#464
  • Investigated Kyber as a replacement for ECIES for key agreement in LEZ: initial findings documented notes
  • Multiple-owners task complete: GroupKeyHolder for GMS key management logos-execution-zone#449, wallet group commands with shared account derivation (covering both PDA and non-PDA shared accounts, with sync mechanism and tests) logos-execution-zone#460
  • Strong-type PrivacyPreservingCircuitInput with per-account enum merged logos-execution-zone#462
  • Privacy-preserving circuit refactor: split guest into bin-dir submodules (in-review) logos-execution-zone#469

• blockchain:logos-execution-zone:indexer

  • Indexer query API merged logos-execution-zone#456
  • Basic UI for indexer-module testing (in-review) logos-execution-zone-indexer-module-ui#2

• blockchain:logos-execution-zone:explorer-ui

• blockchain:logos-execution-zone:sequencer

  • LEZ sequencer and indexer migrated to zone-sdk (away from bedrock client) logos-execution-zone#389

• blockchain:logos-execution-zone:deployment

  • Genesis configurable state reimplemented to use system faucet and vaults to supply accounts (in-review) logos-execution-zone#450

nimbos §

• Genesis from deployment (in-review) nimbos#40
• Genesis Mantle tx vectors: deterministic genesis vector coverage for Mantle tx encoding, hashing, and block root/id checks (WIP) branch
• Nimbos code restructured to align with the modular architecture proposed in issue #29 (in-review) nimbos#41

blockchain:comms §

• blockchain:comms:docs

  • LEZ specs update started (in-review) logos-execution-zone#472, task

• blockchain:comms:blog