blockchain-2026-05-11 (#445)

2026-08-27 17:11:07 +00:00 · 2026-05-12 18:24:51 -04:00
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+---
+title: 2026-05-11 Logos Blockchain weekly
+tags:
+  - nomos-updates
+date: 2026-05-11
+lastmod: 2026-05-11
+draft: false
+description: Weekly update of Logos Blockchain
+---
+
+# Logos Blockchain Weekly Update - 2026-05-11
+
+## `blockchain:highlights`
+
+- Multiple-owners task complete on LEZ: GroupKeyHolder for GMS key management [logos-execution-zone#449](https://github.com/logos-blockchain/logos-execution-zone/pull/449) and wallet group commands with shared account derivation (PDA + non-PDA accounts) [logos-execution-zone#460](https://github.com/logos-blockchain/logos-execution-zone/pull/460) both merged
+- Areon paper submitted to NDSS 2027: substantial revision of the CCS 2026 version with tightened claims and expanded theory + experiments [submission](https://www.notion.so/nomos-tech/Areon-NDSS-2027-submission-35b261aa09df80bb9435d9fff0f41636), [artifacts](https://anonymous.4open.science/r/artifact-D143)
+- Mantle Tx simplification RFC implemented: transaction hash simplified (Poseidon2 removed, blake-only) and gas prices removed from Mantle Transactions [RFC](https://www.notion.so/nomos-tech/RFC-Simplify-Mantle-Transaction-and-Refactor-Ledger-Operations-33d261aa09df803d96b0ebcd83013865), [logos-blockchain#2612](https://github.com/logos-blockchain/logos-blockchain/pull/2612), [logos-blockchain#2670](https://github.com/logos-blockchain/logos-blockchain/pull/2670)
+- LEZ sequencer and indexer migrated to zone-sdk (away from bedrock client): foundational architectural cleanup [logos-execution-zone#389](https://github.com/logos-blockchain/logos-execution-zone/pull/389)
+- Decentralized Sequencing main logic merged: completes the zone-sdk competing sequencer suite (joining TUI and e2e tests from prior weeks) [logos-blockchain#2446](https://github.com/logos-blockchain/logos-blockchain/pull/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](https://www.notion.so/nomos-tech/Modelling-of-random-delays-357261aa09df806ab687c115e5ba55e0)
+
+- `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](https://www.notion.so/nomos-tech/Areon-NDSS-2027-submission-35b261aa09df80bb9435d9fff0f41636), [artifacts](https://anonymous.4open.science/r/artifact-D143)
+  - 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](https://www.notion.so/nomos-tech/Cryptarchia-v1-and-Post-Quantum-Security-331261aa09df80d8906bd57c55a56be8)
+
+- `blockchain:bedrock:research:blend`
+  - Session-removal RFC: Mantle spec revision added, withdrawal-logic inconsistency identified and corrected, and SDP snapshot timings clarified [RFC](https://www.notion.so/nomos-tech/RFC-Remove-Concept-of-a-Session-f39261aa09df826db83e81613bb454dc)
+  - Post-Quantum Safety Analysis of the Blend Protocol: revisions incorporating review feedback [doc](https://www.notion.so/nomos-tech/Post-Quantum-Safety-Analysis-of-the-Blend-Protocol-341261aa09df80a1b048fa90a72b9b40)
+
+- `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](https://github.com/logos-blockchain/logos-blockchain/pull/2695)
+  - Expose Blend provider ID via `/blend/info` endpoint [logos-blockchain#2715](https://github.com/logos-blockchain/logos-blockchain/pull/2715)
+  - Fix core→edge transition bug in Blend (in-review) [logos-blockchain#2722](https://github.com/logos-blockchain/logos-blockchain/pull/2722)
+  - Remove sessions from SDP (in-review) [logos-blockchain#2692](https://github.com/logos-blockchain/logos-blockchain/pull/2692)
+  - SDP: remove dead `SessionState::update` code as preparation for session→epoch replacement [logos-blockchain#2666](https://github.com/logos-blockchain/logos-blockchain/pull/2666)
+  - SDP: don't store Blend reward parameters in recovery state — params always loaded from deployment config [logos-blockchain#2676](https://github.com/logos-blockchain/logos-blockchain/pull/2676)
+  - SDP HTTP set-declaration-id endpoint [logos-blockchain#2716](https://github.com/logos-blockchain/logos-blockchain/pull/2716)
+  - SDP genesis validation context (in-review) [logos-blockchain#2731](https://github.com/logos-blockchain/logos-blockchain/pull/2731)
+  - Add `blend_zk_pk` to known keys [logos-blockchain#2718](https://github.com/logos-blockchain/logos-blockchain/pull/2718)
+
+- `blockchain:bedrock:eng:mantle`
+  - Mantle Tx simplification RFC implemented [RFC](https://www.notion.so/nomos-tech/RFC-Simplify-Mantle-Transaction-and-Refactor-Ledger-Operations-33d261aa09df803d96b0ebcd83013865)
+    - Transaction hash simplified: Poseidon2 removed; only blake used, with modulo to convert to Fr element where needed [logos-blockchain#2612](https://github.com/logos-blockchain/logos-blockchain/pull/2612)
+    - Gas prices removed from Mantle Transactions [logos-blockchain#2670](https://github.com/logos-blockchain/logos-blockchain/pull/2670)
+  - Poseidon2 instantiation clarified in specs and test values implemented [spec](https://www.notion.so/nomos-tech/1-0-2-Common-Cryptographic-Components-1fd261aa09df81ac8ebbe0111e2c2d84?source=copy_link#1fd261aa09df81f48afcd5bbe86c4a18), [logos-blockchain#2710](https://github.com/logos-blockchain/logos-blockchain/pull/2710)
+
+- `blockchain:bedrock:eng:mempool`
+  - Remove unused tx broadcast [logos-blockchain#2684](https://github.com/logos-blockchain/logos-blockchain/pull/2684)
+
+- `blockchain:bedrock:eng:decentralized-sequencing`
+  - Zone-SDK competing sequencers main logic merged [logos-blockchain#2446](https://github.com/logos-blockchain/logos-blockchain/pull/2446)
+  - Zone-SDK reorg event simplified for decentralized sequencer first-write-wins (in-review) [logos-blockchain#2697](https://github.com/logos-blockchain/logos-blockchain/pull/2697)
+  - Channel signature and zone-sdk updates (in-review) [logos-blockchain#2733](https://github.com/logos-blockchain/logos-blockchain/pull/2733)
+  - Flexible bounded blocks streaming API merged (in support of sequencer POC) [logos-blockchain#2610](https://github.com/logos-blockchain/logos-blockchain/pull/2610)
+
+- `blockchain:bedrock:eng:testing`
+  - Use different runner for each platform when building images in CI [logos-blockchain#2647](https://github.com/logos-blockchain/logos-blockchain/pull/2647)
+  - `cargo hack` proc-macro feature declaration fix [logos-blockchain#2689](https://github.com/logos-blockchain/logos-blockchain/pull/2689)
+  - Fix large transaction input handling in cucumber tests [logos-blockchain#2680](https://github.com/logos-blockchain/logos-blockchain/pull/2680)
+  - Stress test for continuous coin split transactions (in-review) [logos-blockchain#2711](https://github.com/logos-blockchain/logos-blockchain/pull/2711)
+
+- `blockchain:bedrock:eng:testnet`
+  - Docker image publish workflow: `latest` for releases, `latest-rc` for release candidates [logos-blockchain#2665](https://github.com/logos-blockchain/logos-blockchain/pull/2665)
+  - Use explorer tag for environment in docker [logos-blockchain#2726](https://github.com/logos-blockchain/logos-blockchain/pull/2726)
+
+- `blockchain:bedrock:eng:node`
+  - Block-tracker abstraction explored and closed; follow-up issue opened to revisit multi-branch state tracking [logos-blockchain#2674](https://github.com/logos-blockchain/logos-blockchain/pull/2674), [issue #2687](https://github.com/logos-blockchain/logos-blockchain/issues/2687)
+  - Validate locator format: reject multiaddrs with peer ID or unspecified IPv4/IPv6 [logos-blockchain#2712](https://github.com/logos-blockchain/logos-blockchain/pull/2712)
+  - KMS configuration detached from node config: enables easier configuration migration across testnet runs and token migrations [logos-blockchain#2713](https://github.com/logos-blockchain/logos-blockchain/pull/2713)
+  - Logging improvements: reduce noisy node logs (in-review) [logos-blockchain#2675](https://github.com/logos-blockchain/logos-blockchain/pull/2675), runtime log reload (in-review) [logos-blockchain#2706](https://github.com/logos-blockchain/logos-blockchain/pull/2706), init log filter [logos-blockchain#2720](https://github.com/logos-blockchain/logos-blockchain/pull/2720), normalise default node logs (in-review) [logos-blockchain#2719](https://github.com/logos-blockchain/logos-blockchain/pull/2719)
+  - Verify immutable block ID [logos-blockchain#2682](https://github.com/logos-blockchain/logos-blockchain/pull/2682)
+  - Ignore blocks before LIB [logos-blockchain#2683](https://github.com/logos-blockchain/logos-blockchain/pull/2683)
+  - Restore unwired metrics [logos-blockchain#2690](https://github.com/logos-blockchain/logos-blockchain/pull/2690)
+  - Cryptarchia: always compute LCA with old tip to collect reorged blocks (fixes potential infinite loop) [logos-blockchain#2677](https://github.com/logos-blockchain/logos-blockchain/pull/2677)
+  - Chainsync: `MAX_INCOMING_REQUESTS` made user-configurable [logos-blockchain#2701](https://github.com/logos-blockchain/logos-blockchain/pull/2701)
+  - Add `--no-ibd` flag and increase default PBP to 1 hour [logos-blockchain#2705](https://github.com/logos-blockchain/logos-blockchain/pull/2705)
+  - Orphan recovery node stalling fix (in-review) [logos-blockchain#2709](https://github.com/logos-blockchain/logos-blockchain/pull/2709)
+  - Stateless genesis block generation tooling: distribution command [logos-blockchain#2688](https://github.com/logos-blockchain/logos-blockchain/pull/2688), inscriptions command (in-review) [logos-blockchain#2696](https://github.com/logos-blockchain/logos-blockchain/pull/2696), ceremony command (in-review) [logos-blockchain#2728](https://github.com/logos-blockchain/logos-blockchain/pull/2728), genesis CI workflow (in-review) [logos-blockchain#2732](https://github.com/logos-blockchain/logos-blockchain/pull/2732)
+  - Tracing/logging: appender options for max files + simple logger [logos-blockchain#2717](https://github.com/logos-blockchain/logos-blockchain/pull/2717), compressed appender [logos-blockchain#2686](https://github.com/logos-blockchain/logos-blockchain/pull/2686)
+  - Chain service: await chain start time [logos-blockchain#2685](https://github.com/logos-blockchain/logos-blockchain/pull/2685)
+  - Blockchain-tools binary name prefix [logos-blockchain#2723](https://github.com/logos-blockchain/logos-blockchain/pull/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](https://github.com/logos-blockchain/logos-blockchain-circuits/pull/16)
+  - Integrate circuits libraries into node for poq, pol, poc, and sig (in-review) [logos-blockchain#2679](https://github.com/logos-blockchain/logos-blockchain/pull/2679)
+  - Unify proofs' Error type across ZK code [logos-blockchain#2694](https://github.com/logos-blockchain/logos-blockchain/pull/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](https://github.com/logos-blockchain/logos-execution-zone/pull/464)
+  - Investigated Kyber as a replacement for ECIES for key agreement in LEZ: initial findings documented [notes](https://www.notion.so/Notes-on-Kyber-in-LEE-3588f96fb65c80ff96a0dccb539482e8)
+  - Multiple-owners task complete: `GroupKeyHolder` for GMS key management [logos-execution-zone#449](https://github.com/logos-blockchain/logos-execution-zone/pull/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](https://github.com/logos-blockchain/logos-execution-zone/pull/460)
+  - Strong-type `PrivacyPreservingCircuitInput` with per-account enum merged [logos-execution-zone#462](https://github.com/logos-blockchain/logos-execution-zone/pull/462)
+  - Privacy-preserving circuit refactor: split guest into bin-dir submodules (in-review) [logos-execution-zone#469](https://github.com/logos-blockchain/logos-execution-zone/pull/469)
+
+- `blockchain:logos-execution-zone:indexer`
+  - Indexer query API merged [logos-execution-zone#456](https://github.com/logos-blockchain/logos-execution-zone/pull/456)
+  - Basic UI for indexer-module testing (in-review) [logos-execution-zone-indexer-module-ui#2](https://github.com/logos-blockchain/logos-execution-zone-indexer-module-ui/pull/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](https://github.com/logos-blockchain/logos-execution-zone/pull/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](https://github.com/logos-blockchain/logos-execution-zone/pull/450)
+
+## `nimbos`
+
+- Genesis from deployment (in-review) [nimbos#40](https://github.com/logos-co/nimbos/pull/40)
+- Genesis Mantle tx vectors: deterministic genesis vector coverage for Mantle tx encoding, hashing, and block root/id checks (WIP) [branch](https://github.com/logos-co/nimbos/tree/feat/genesis-mantle-tx-vectors)
+- Nimbos code restructured to align with the modular architecture proposed in issue #29 (in-review) [nimbos#41](https://github.com/logos-co/nimbos/pull/41)
+
+## `blockchain:comms`
+
+- `blockchain:comms:docs`
+  - LEZ specs update started (in-review) [logos-execution-zone#472](https://github.com/logos-blockchain/logos-execution-zone/pull/472), [task](https://www.notion.so/R-Update-LEZ-Specs-3348f96fb65c804da424ef34ac921ff3)
+
+- `blockchain:comms:blog`