2026-06-22 Logos Blockchain weekly

Logos Blockchain Weekly Update - 2026-06-22 §

blockchain:highlights §

• Leader rewards claimable end to end: wallet HTTP API #2948, C bindings #2958, module logos-blockchain-module#37, dashboard logos-blockchain-ui#18, journey
• First stable lez-core tag logos-execution-zone#491, #510; all Logos Execution Zone user journeys for testnet v0.2 complete
• Token bridge withdraw flow merged #508

blockchain:bedrock:research §

• blockchain:bedrock:research:post-quantum

  • FrodoKEM, Classic McEliece, and HQC key-encapsulation benchmarks added on Raspberry Pi 5 branch; Blend post-quantum primitive candidates document nearing its final version doc

• blockchain:bedrock:research:cryptarchia

  • Proof of Leadership spec updated to handle the degenerate case where a note value far exceeds total stake (in-review) logos-lips#362

• blockchain:bedrock:research:session-removal

  • “Remove Concept of a Session” RFC migration to GitHub underway: the Service Declaration Protocol and Mantle sections migrated, with Mantle aligned to the recent SDP withdrawal-logic changes (WIP) branch

• blockchain:bedrock:research:permissionless-channel-sequencing

  • Working permissionless channel sequencer implemented, with new unit and end-to-end tests passing (WIP) branch

• blockchain:bedrock:research:cross-zone-sequencing

  • First Cross-Zone Atomic Coordination Protocol draft (v0.1) completed: a 4-phase off-chain protocol (intent proposal → verification → signature exchange → submission) built on synchronous messaging, where both sequencers hold a complete signed transaction after the signature-exchange phase — removing the single point of failure of classical two-phase commit — with stated Safety and Liveness propositions doc

• blockchain:bedrock:research:anonymous-communications

  • Consensus model implemented and validated: Pareto stake distribution, the stake-proportional leader-election lottery, and a harness checking the simulator against the closed-form statistics doc
  • Broadcast-network model implemented and validated: a quenched random regular graph with a per-broadcast Dijkstra latency oracle and the expected log N scaling doc

blockchain:bedrock:eng §

• blockchain:bedrock:eng:blend

  • Message IDs derived from key nullifiers, with fresh proofs generated from all winning slots of an epoch logos-blockchain#2959; winning-slot handling replaced with a lazy stream polled per subscriber #2965; default peering degree widened from 2–3 to 3–5 #2950; “Blend Info” link added to the devnet and testnet dashboard #2971
  • Dial-retry bug fixed so a peer below the minimum peering degree correctly triggers a new dial (in-review) #2973

• blockchain:bedrock:eng:security-audit

  • SDP operations migrated to the NomEncode/Decode trait: SDPDeclareOp #2928 and SDPWithdrawOp #2947 merged; SDPActiveOp migration (in-review) #2974

• blockchain:bedrock:eng:node

  • Genesis block proof format fixed #2952
  • Cryptarchia refactored to use rpds for the prepare-commit pattern #2896; strict_sub used for Epoch #2940

• blockchain:bedrock:eng:rewards

  • Claimable leader reward vouchers exposed end to end: wallet HTTP API #2948, C bindings #2958, module logos-blockchain-module#37, and dashboard UI logos-blockchain-ui#18
  • Wallet now tracks claimed leader reward outputs so claimed rewards appear in balances (in-review) #2978; devnet Cucumber wallet feed started after node sync (in-review) #2977

• blockchain:bedrock:eng:logos-core

  • FFI config parameter handling fixed #2949; module updated with config-generation fixes logos-blockchain-module#34, a Result-based error type #40, a Nix shell fix #39, and a module-builder header-parsing update #41
  • Module-builder dev-shell external library paths fixed logos-module-builder#130; C++ SDK specifier stripping fixed before return parsing logos-cpp-sdk#92
  • Dashboard UI dependencies updated logos-blockchain-ui#20 and Result usages generalised #22

blockchain:logos-execution-zone §

• blockchain:logos-execution-zone:lez-module

  • First stable lez-core tag reached with wallet FFI generic transactions logos-execution-zone#491 and program ELF deployments #510 merged; mnemonic-based wallet FFI finalized (in-review) #518; generic transactions exposed through the module (in-review) logos-execution-zone-module#29

• blockchain:logos-execution-zone:bridge

  • Token bridge withdraw flow merged #508; vault CLI wallet commands merged #511

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

  • Withdraw FFI added #543; deposit/withdraw claim flow implemented in the wallet UI and tested end to end locally against Bedrock and the sequencer (in-review) #553, logos-execution-zone-module#27, logos-execution-zone-wallet-ui#20; wallet UI documentation packet covering setup and native token transfers on testnet submitted

• blockchain:logos-execution-zone:accounts

  • Commitment mechanism updated so any commitment root can be paired with an initialized nullifier (in-review) #546
  • Shared-accounts design review concluded with findings filed issue#548, issue#549, and a viewing-key/ciphertext binding fix drafted for the shared-accounts ciphertext vulnerability (in-review, draft) #550

• blockchain:logos-execution-zone:explorer

  • Indexer FFI refactored to query IndexerCore directly and drop RPC (in-review) #547; indexer module migrated to logos-module-builder and updated to the reworked port-less FFI (in-review) lez-indexer-module#10, #11; explorer UI migrated to communicate over logos-protocol and rewritten to use Logos components (in-review) lez-explorer-ui#4, #6

• blockchain:logos-execution-zone:refactor

  • LEZ decoupled from the remaining LEE crates, finalized and undrafted (in-review) #524

• blockchain:logos-execution-zone:cross-zone

  • Two cross-zone messaging demos started, tracked through a demo plan doc and a tracking PR (WIP) #542

• blockchain:logos-execution-zone:journeys

  • Remaining execution-zone user journeys completed — all LEZ journeys for testnet v0.2 are ready, including the LEZ Explorer issue#344 and LEZ Indexer issue#349 journeys

• blockchain:logos-execution-zone:benchmarks

  • Benchmark information added for private transactions (in-review) #534; a keccak speedup via patching drafted for the Risc0 backend (in-review, draft) #551

nimbos §

• Proof of Leadership verification merged nimbos#50