2026-05-25 Logos Blockchain weekly

Logos Blockchain Weekly Update - 2026-05-25 §

blockchain:highlights §

• Blockchain E2E tests fully migrated to the testing-framework logos-blockchain-testing
• Nimbos: two-node IBD passes nimbos#44
• LEZ sequencer benchmarked on Raspberry Pi 5, supported by new benchmarking suite: cycle logos-execution-zone#478, crypto primitives logos-execution-zone#480, and integration logos-execution-zone#487 benches merged — cost inputs for the LEZ fee model
• Atomic withdraws merged in Zone-SDK logos-blockchain#2749

blockchain:bedrock:research §

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

  • “Referenced-Block Visibility for Total Stake Inference” complete revision: more simulations and evidence draft
  • “Total Stake Inference with Referenced Blocks” RFC and spec drafts started spec, RFC

• blockchain:bedrock:research:cryptarchia

  • Checkpoint-based Fast Bootstrapping RFC significant revision RFC

• blockchain:bedrock:research:blend

  • Session-removal RFC: SDP no longer garbage collects not-yet-active declarations and lock period removed (redundant after updated withdrawal logic) RFC

• blockchain:bedrock:research:post-quantum

• blockchain:bedrock:research:cryptoeconomics

  • EmPoWering proposal: design details revised, ready for broader review latest draft

• blockchain:bedrock:research:native-zones

  • “PoS Participation for Sovereign Channels” research doc started doc
  • Common ledger for Sovereign Zone: state_update proving time benchmarks completed for potential native zone usage doc

blockchain:bedrock:eng §

• blockchain:bedrock:eng:blend

  • Trace logs added around Blend activity proof generation and verification logos-blockchain#2772

• blockchain:bedrock:eng:mantle

  • Static bound checks for Mantle ops: ChannelConfig merged logos-blockchain#2781, ChannelDeposit (in-review) logos-blockchain#2790
  • Channel key validation fix (addresses audit issue 90) logos-blockchain#2767, audit issue 90
  • Add bounded_vec to ledger tx builder inputs and outputs (in-review) logos-blockchain#2791

• blockchain:bedrock:eng:mempool

  • Mempool add fails cleanly on storage error logos-blockchain#2762
  • Mempool TxTracker implementation continued (in-review) logos-blockchain#2746

• blockchain:bedrock:eng:decentralized-sequencing

  • Bounded blocks range stream anomalies fix merged logos-blockchain#2757
  • Zone-SDK round robin reworked after review discussions (in-review) logos-blockchain#2756

• blockchain:bedrock:eng:bridging

  • Zone-SDK atomic withdraw merged logos-blockchain#2749
  • Zone-SDK deposit amount + LEZ bug fixes (in-review) logos-blockchain#2776

• blockchain:bedrock:eng:testing

  • Remove legacy validator harness from e2e tests logos-blockchain#2760
  • Use common wallet funding in zone flows logos-blockchain#2766
  • Continuous round robin fail-fast fix logos-blockchain#2771
  • Configurable binary providers on TF (in-review) logos-blockchain-testing#55, wired into e2e tests (in-review) logos-blockchain#2777
  • Fix flaky test_basic_lifecycle unit test logos-blockchain#2783
  • Cargo hack in tools fix logos-blockchain#2770

• blockchain:bedrock:eng:testnet

  • Deployment tracing config at compose-file level logos-blockchain#2768
  • Set explorer DB url in compose.run.yml logos-blockchain#2782 and sqlite db path via env in block explorer template logos-blockchain-block-explorer-template#17

• blockchain:bedrock:eng:node

  • Fix recurring key must be a String log error logos-blockchain#2761
  • Silence more third-party dependencies at DEBUG/TRACE level (reduces OTLP log noise) logos-blockchain#2775
  • API listener defaults to localhost logos-blockchain#2773
  • Tracing reload moved to main API logos-blockchain#2774
  • Migrate more log targets logos-blockchain#2778
  • Correctness bug fix in NTP-backed time service logos-blockchain#2784
  • Initialise stderr logger for c-bindings (in-review) logos-blockchain#2789
  • Deployment stateless user configs: predefined ceremony files for init nodes (in-review) logos-blockchain#2779

• blockchain:bedrock:eng:circuits

  • Circuits v0.5.0 hardening: symbol resolution conflicts logos-blockchain-circuits#22, patch circuits’ asserts logos-blockchain-circuits#26, macOS build fixes (c++ library logos-blockchain-circuits#27, symbol isolation logos-blockchain-circuits#28, symbol names logos-blockchain-circuits#29, string formatting logos-blockchain-circuits#30); gmp version consistency (in-review) logos-blockchain-circuits#31
  • Circuits CI/dev infra: rustfmt options logos-blockchain-circuits#23, pin actions versions logos-blockchain-circuits#24, auto-update nix hashes on release logos-blockchain-circuits#25

• blockchain:bedrock:eng:explorer

blockchain:logos-execution-zone §

• blockchain:logos-execution-zone:accounts

  • Transaction flows unification: public and private transaction flows unified (in-review) logos-execution-zone#484
  • Private PDAs added as external input in privacy-preserving transactions (not resolved from chained calls or claims) (in-review) logos-execution-zone#486
  • Audit issue 91 fix in NSSA logos-execution-zone#489
  • Keycard support for auth-transfer merged logos-execution-zone#451
  • Keycard support for program facades: comments addressed (in-review) logos-execution-zone#461
  • PQ resistance for vsk/vpk shared key agreement (Kyber-768): updated specs added (in-review) logos-execution-zone#474

• blockchain:logos-execution-zone:logos-core

  • Wallet FFI extended to support generic transactions (in-review) logos-execution-zone#491

• blockchain:logos-execution-zone:benchmarks

  • LEZ benchmarking suite landed: cycle bench logos-execution-zone#478, crypto primitives bench logos-execution-zone#480, integration bench for end-to-end latency/block/tx-byte measurements logos-execution-zone#487; all migrated to criterion harness logos-execution-zone#488
  • Bench-regression CI workflow for crypto_primitives_bench (in-review) logos-execution-zone#494

• blockchain:logos-execution-zone:indexer

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

• blockchain:logos-execution-zone:sequencer

• blockchain:logos-execution-zone:deployment

  • LEZ module/UI updates bumped in Logos Modules registry (in-review) logos-modules#60
  • Apply right features for risc0-zkvm logos-execution-zone#496
  • Speed up CI (in-review) logos-execution-zone#498

• blockchain:logos-execution-zone:bridging

  • Deposit operation for bridge (in-review) logos-execution-zone#493

nimbos §

• IBD scope completed for Cryptarchia: two-node IBD passes on one machine with bincode sync types, LocalTree, wire client/handler, decodeTx/block deserialize, bootstrap-wait, and thorough tests (in-review) nimbos#44
• --udp-port and --rest-port CLI options added nimbos#47
• Cryptarchia ledger state and ledger module wrapper added to Mantle ledger implementation (in-review) nimbos#46

blockchain:comms §

• blockchain:comms:docs

  • Mantle transaction encoding specs updated spec
  • LEZ CONTRIBUTING.md merged logos-execution-zone#483 + require filled PR template logos-execution-zone#497

• blockchain:comms:blog