2026-05-04 Logos Blockchain weekly

Logos Blockchain Weekly Update - 2026-05-04 §

blockchain:highlights §

• Testnet Stake Distribution Event stream
• CCS 2026 paper submitted: “Total Stake Inference under Stake Privacy: The Case of Ouroboros Crypsinous” completed and submitted (blockchain track) paper
• LEZ indexer foundations landed: simple indexer FFI logos-execution-zone#427 and indexer module basic structure logos-execution-zone-indexer-module#2 both merged, paving the way for LEZ application development
• Private donations to LEZ accounts unblocked: NPK generalized to multiple accounts so a single key pair can control a family of private accounts logos-execution-zone#447

blockchain:bedrock:research §

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

  • TSI Analysis report (now titled “Total Stake Inference under Network Delay and Feedback”): Appendix E “Simulation diagnostics for the inferred-stake closure” completed, all plots remade draft
  • “Total Stake Inference under Stake Privacy: The Case of Ouroboros Crypsinous” paper completed and submitted to CCS 2026 (blockchain track) paper

• blockchain:bedrock:research:cryptarchia

• blockchain:bedrock:research:blend

  • Session-removal RFC moved to Draft RFC
  • Post-Quantum Primitive Candidates for the Blend Protocol document finalized and ready for review doc

• blockchain:bedrock:research:cryptoeconomics

blockchain:bedrock:eng §

• blockchain:bedrock:eng:blend

  • Locked notes excluded from auto-funding and SDP signing of Blend activity messages: tx-builder logos-blockchain#2629, wallet logos-blockchain#2631, wallet-service logos-blockchain#2637
  • Migrate Blend log targets to the new log targets crate (in-review) logos-blockchain#2659

• blockchain:bedrock:eng:mantle

  • Channel deposit input notes correctly accounted logos-blockchain#2625
  • Include pk when encoding LeaderClaimOp logos-blockchain#2628
  • Leader proof verification fix: previously only checked for errors, now properly verifies the proof (in-review) logos-blockchain#2655

• blockchain:bedrock:eng:mempool

• blockchain:bedrock:eng:decentralized-sequencing

• blockchain:bedrock:eng:testing

  • Port allocator race fix: avoid deleting fresh port claims logos-blockchain#2630
  • Genesis inscription override path fix after config-path changes logos-blockchain#2636
  • Mock todo API/test removal (in-review) logos-blockchain#2657
  • Local child-process cleanup: wait for stopped processes (in-review) logos-blockchain-testing#54
  • E2e test for Blend SDP activity messages logos-blockchain#2639
  • leader_claim test: wait for tx inclusion instead of balance change logos-blockchain#2641
  • Cucumber test improvements for “fork join preserve wallet state” CI logos-blockchain#2652
  • Let cargo-hack run to completion to collect all errors in one go logos-blockchain#2643
  • Nightly hack action fixes: install gh properly logos-blockchain#2642, and create issues assigned to the last commit owner on error logos-blockchain#2646

• blockchain:bedrock:eng:testnet

  • Auto-publish logos-blockchain-node Docker image on pushes to master, replacing the manual dispatch workaround logos-blockchain#2640
  • Post 0.1.3-rc.4 release checklist fixes logos-blockchain#2658
  • 0.1.3-rc.4 release candidate published release
  • Testnet Stake Distribution Event stream

• blockchain:bedrock:eng:node

  • Skip genesis SDP Op proof validation, fixing node start issues (in-review) logos-blockchain#2656
  • Orphan download: avoid panic when no peers available (in-review) logos-blockchain#2648
  • Log targets crate introduced logos-blockchain#2651
  • CryptarchiaParameter added to genesis block logos-blockchain#2174
  • Tracing: respect env filter when sending logs to loki/gelf/otlp logos-blockchain#2632
  • Unify dependencies into Cargo workspace to reduce duplication, build time, and binary size (in-review): lower-level crates logos-blockchain#2649, remaining crates logos-blockchain#2653

• blockchain:bedrock:eng:circuits

  • LB Circuits as libraries: PoQ FFI exposed on poq-sys crate; build system added for fetching compiled library artifacts (WIP) branch

• blockchain:bedrock:eng:explorer

blockchain:logos-execution-zone §

• blockchain:logos-execution-zone:accounts

  • Multiple-owners reworked: epoch and ratcheting removed, PDA identifier fix; now covers private accounts that are PDAs (in-review) logos-execution-zone#449
  • Strong-type PrivacyPreservingCircuitInput with per-account enum (in-review) logos-execution-zone#462
  • NPK generalized to multiple accounts: enables a single key pair to control a family of private accounts, unblocking private donations logos-execution-zone#447
  • Diversify private PDAs by identifier to enable private donations to multisig accounts (in-review) logos-execution-zone#464
  • Signature refactor for Keycard support merged: BIP-340 32-byte message constraint relaxed logos-execution-zone#457
  • Privacy commands for keycard: keycard support extended to programs beyond auth-transfer (in-review) logos-execution-zone#461

• blockchain:logos-execution-zone:indexer

  • Simple indexer FFI merged logos-execution-zone#427
  • Indexer module basic structure merged logos-execution-zone-indexer-module#2
  • Fix clock transaction validation in indexer merged logos-execution-zone#458
  • Indexer mock service: emit new blocks every 30 seconds logos-execution-zone#463

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

  • Real Indexer RPC communication implemented in QT Explorer UI (in-review) lez-explorer-ui#1

• blockchain:logos-execution-zone:deployment

  • v0.2.0-rc3 release tagged and deployed on Stage 2 release

nimbos §

• Deployment config and genesis block construction merged into unstable: deployment-settings YAML/CLI, module layout under logos_chain/deployment, and genesis payload/proof decoding for transfer, channel inscribe, and SDP declare ops nimbos#31
• nim-groth16 updated to support both ARC and refc Nim runtimes commit

blockchain:comms §

• blockchain:comms:docs

• blockchain:comms:blog