2026-04-20 Logos Blockchain weekly

Logos Blockchain Weekly Update - 2026-04-20 §

blockchain:highlights §

• Bridging: all features merged to master including finalized deposit subscription, atomic deposit+inscription, and finalized withdrawal subscription
• Blend: first stable internal testnet in the DST lab
• Total Stake Inference: derived optimal learning rate h=1/f and identified three convergence regimes analysis
• Testnet v0.1.2 launched! announcement and Testnet v0.1 retrospective published article

blockchain:bedrock:research §

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

  • Derived variance approximation for total stake estimator: proportional to network delay variance, inversely proportional to mean delay; variance no longer maximized by ideal scenario draft
  • Convergence analysis: identified three regimes based on E[Delta] vs 1/f; derived optimal learning rate h=1/f balancing stability, robustness, and simplicity
  • TSI Analysis draft: Sections 1-5 rewritten with unified notation and improved readability; appendix reorganized
  • Improved “Total Active Stake Inference under Stake Privacy” paper paper

• blockchain:bedrock:research:blend

  • Post-quantum safety analysis of Blend protocol cryptographic schemes doc

• blockchain:bedrock:research:cryptarchia

  • Fast bootstrapping RFC: motivation rewritten, StateRoot introduced, flowcharts revised; updated Cryptarchia Protocol and Block Construction specs to incorporate StateRoot RFC, spec
  • Review and comments on Cryptarchia post-quantum security notes doc

blockchain:bedrock:eng §

• blockchain:bedrock:eng:blend

  • Enable DNS for Blend swarms to connect to SDP multi-addresses logos-blockchain#2527
  • Exponential back-off for re-dialing peers logos-blockchain#2542
  • Track previously failed peers when attempting new dials logos-blockchain#2557
  • Disable self-applying locally-generated blocks before propagation logos-blockchain#2538
  • Filter by block proposal gossipsub topic for block proposal stream logos-blockchain#2554

• blockchain:bedrock:eng:bridging

  • All bridging features merged to master: finalized deposit subscription, atomic deposit+inscription, finalized withdrawal subscription

• blockchain:bedrock:eng:mantle

  • Implemented NoteId Uniqueness RFC logos-blockchain#2541
  • Merkle Mountain Range: benchmarked vs MerkleTree logos-blockchain#2528, optimized to negligible computation overhead logos-blockchain#2540

• blockchain:bedrock:eng:testing

• blockchain:bedrock:eng:decentralized-sequencing

  • Decentralized sequencer first-write-wins PoC accepted logos-blockchain#2446, spec
  • Zone-SDK: TUI app updated with decentralized sequencer API logos-blockchain#2555

• blockchain:bedrock:eng:testing

  • E2e test output grouped by test name logos-blockchain#2560, logos-blockchain#2568
  • Cucumber e2e migration: zone and blend tests logos-blockchain#2526, logos-blockchain#2548
  • Shared config extraction into reusable crate logos-blockchain#2556
  • Multiple wallet UTXO scanning for forked scenarios (merged) logos-blockchain#2466
  • Node wait-for-blockchain-start with comprehensive cucumber step rework (in-review) logos-blockchain#2553
  • Fix block fetch client alignment with API block shape (in-review) logos-blockchain#2570
  • Investigating node sync issues in e2e and cucumber tests issue #2530

• blockchain:bedrock:eng:testnet

  • Correct links according to environment title string logos-blockchain#2531

• blockchain:bedrock:eng:explorer

  • Explorer module specs repo
  • Extend REST API with get block and get transactions endpoints logos-blockchain#2550
  • Extend FFI with get block and get transactions logos-blockchain#2552
  • Expose explorer API on module logos-blockchain-module#23

• blockchain:bedrock:eng:node

  • Update Rust toolchain to 1.95 (in-review) logos-blockchain#2564, Overwatch#133
  • Simplify FFI and fix bugs (infinite recursion, runtime handle reuse) logos-blockchain#2487
  • Fix vulnerable dependencies logos-blockchain#2559
  • Module standardisation refactor logos-blockchain-module#24
  • Circuits path setup abstraction logos-blockchain-module#19
  • Network diagnostics and NAT mismatch handling logos-blockchain#2558, logos-blockchain#2562
  • Logging contribution guidelines logos-blockchain#2566
  • Genesis block migration from genesis tx logos-blockchain#2551
  • Genesis CLI tool to replace genesis ceremony logos-blockchain#2565

blockchain:logos-execution-zone §

• blockchain:logos-execution-zone:accounts

  • Multiple owners: first implementation logos-execution-zone#446
  • GroupKeyHolder wallet integration (in-progress) logos-execution-zone#449
  • Implemented mechanism for single key pair to control a family of private accounts, unblocking private donations use case logos-execution-zone#447
  • Keycard support: draft implementation for public accounts in wallet logos-execution-zone#451

• blockchain:logos-execution-zone:indexer

  • Finalized indexer FFI logos-execution-zone#427
  • Created indexer module repository repo
  • Indexer module implementation started logos-execution-zone-indexer-module#2

• blockchain:logos-execution-zone:deployment

  • v0.2.0-rc2 deployed on stage 2 with updated Bedrock node, successfully finalized 100 blocks
  • Genesis configurable state: moving initial account state into genesis logos-execution-zone#450

nimbos §

• P2P branch merged into unstable nimbos#27
• Kademlia: bootstrap path through connection queue with dial tracking, refactored lookup with stream reuse, hardened disconnect handling
• Deployment configuration: YAML parser, --deployment-settings CLI flag with validation and merge into node config
• Tests: connection-state suite, Kad bootstrap chain, dynamic idle ports

blockchain:comms §

• blockchain:comms:docs

  • Zone SDK tutorial updates logos-docs#211
  • New spec structure (in-progress) doc
  • Logos password manager extracted to own repo repo
  • RFC to rename Nomos to Logos Blockchain in p2p specs RFC

• blockchain:comms:blog

  • Testnet v0.1 retrospective article published article