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Blockchain weekly update 2026-01-19
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David Rusu
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---
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title: 2026-01-19 Logos Blockchain weekly
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tags:
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- nomos-updates
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date: 2026-01-19
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lastmod: 2026-01-21
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draft: false
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description: Weekly update of Logos Blockchain
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---
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# Logos Blockchain Weekly Update - 2026-01-19
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## `blockchain:highlights`
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- Areon paper has been submitted to CCS
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- Mantle specification updates have been finalized
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- LEE Sequencer is now posting blocks to Bedrock
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## `blockchain:bedrock:research`
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- `blockchain:bedrock:research:areon`
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- Areon simulator code has been prepared and published anonymously: [simulations](https://anonymous.4open.science/r/areon-simulations-32B1/areon-full.ipynb)
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- Areon paper has been submitted to CCS
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- `blockchain:bedrock:research:cryptarchia`
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- Dropped the protection against adaptive adversaries, specs impacted are [PoL](https://www.notion.so/nomos-tech/v1-1-Proof-of-Leadership-Specification-2e9261aa09df80058244c902defc6da2) and [PoQ](https://www.notion.so/nomos-tech/v1-0-1-Proof-of-Quota-Specification-2e9261aa09df8038b95fc94b808ee32f)
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- Circuits updated to reflect changes in specs [logos-blockchain-circuits#7](https://github.com/logos-blockchain/logos-blockchain-circuits/pull/7)
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- Blockchain node updated to reflect changes in specs [logos-blockchain#2025](https://github.com/logos-blockchain/logos-blockchain/pull/2025)
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- `blockchain:bedrock:research:mantle`
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- Mantle specification updates have been finalized [spec](https://www.notion.so/nomos-tech/v1-2-Mantle-Specification-2ce261aa09df805ea358d80c2046cf95)
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- Cross-channel messaging specification (in-review) [spec](https://www.notion.so/nomos-tech/v1-Cross-Channel-Messaging-2e2261aa09df805aae12cd8c017d785b?d=2e9261aa09df80bcafb3001c6de561ef#2e7261aa09df80beb40dc17cf49c5424)
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- `blockchain:bedrock:research:da:sampling`
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- Adversary controlled subnetwork analysis has begun [analysis](https://www.notion.so/nomos-tech/Data-availability-DA-sampling-2d1261aa09df805facbcfd8184009928?source=copy_link#2ed261aa09df8094b099c4b95debac55)
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- Analysis of impact of invalid blob in a block on finality has begun [analysis](https://www.notion.so/nomos-tech/Data-availability-DA-sampling-2d1261aa09df805facbcfd8184009928?source=copy_link#2e0261aa09df802e8845c24c166d20d9)
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- `blockchain:bedrock:research:blend`
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- Key-reuse vulnerability writeup [analysis](https://www.notion.so/nomos-tech/Blend-We-don-t-need-sequences-for-encapsulation-2e6261aa09df805086efc121427dcba3)
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- Removed sequence numbers from encryption [spec](https://www.notion.so/Message-Encapsulation-Mechanism-215261aa09df81309d7fd7f1c2da086b?pvs=160)
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- Block compression proposal is nearly ready for review [proposal](https://www.notion.so/nomos-tech/RFC-Compressed-Block-Proposal-2e3261aa09df80a38df7eb9f14ddeb5e?source=copy_link)
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## `blockchain:bedrock:eng`
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- `blockchain:bedrock:eng:da`
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- Work has begun on disabling DA (WIP) [logos-blockchain#2030](https://github.com/logos-blockchain/logos-blockchain/pull/2030)
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- `blockchain:bedrock:eng:cryptarchia`
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- Implementation of total stake inference has begun (WIP) [branch](https://github.com/logos-blockchain/logos-blockchain/tree/dsq/total-stake-inference)
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- `blockchain:bedrock:eng:testing`
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- Removed cucumber integration from testing framework [logos-blockchain-testing#6](https://github.com/logos-blockchain/logos-blockchain-testing/pull/6)
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- Add cucumber tooling to blockchain node testing (WIP) [logos-blockchain#2024](https://github.com/logos-blockchain/logos-blockchain/pull/2024)
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- Local node control can start nodes at runtime (WIP) [logos-blockchain-testing#3](https://github.com/logos-blockchain/logos-blockchain-testing/pull/3)
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- Nodes can start at any point in scenario (in-review) [logos-blockchain-testing#4](https://github.com/logos-blockchain/logos-blockchain-testing/pull/4)
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- Remove DA from testing framework (in-review) [logos-blockchain-testing#7](https://github.com/logos-blockchain/logos-blockchain-testing/pull/7)
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- `blockchain:bedrock:eng:reorgs`
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- Reorged transactions are re-inserted into the mempool (in-review) [logos-blockchain#2027](https://github.com/logos-blockchain/logos-blockchain/pull/2027)
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- `blockchain:bedrock:eng:mempool`
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- Remove txs from mempool only when added to honest chain (in-review) [logos-blockchain#2027](https://github.com/logos-blockchain/logos-blockchain/pull/2027)
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- `blockchain:bedrock:eng:deployment`
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- Make chainsync protocol namespaced by deployment config [logos-blockchain#2016](https://github.com/logos-blockchain/logos-blockchain/pull/2016)
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- `blockchain:bedrock:eng:blend`
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- Rework blend message encapsulation [logos-blockchain#2017](https://github.com/logos-blockchain/logos-blockchain/pull/2017)
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- Use KMS for Blend Network Ed25519 Key [logos-blockchain#2023](https://github.com/logos-blockchain/logos-blockchain/pull/2023)
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- `blockchain:bedrock:eng:chore`
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- Rename all occurrences of `nomos` to `logos-blockchain` [Overwatch#123](https://github.com/logos-co/Overwatch/pull/123)
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## `blockchain:lee`
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- `blockchain:lee:key-protocol`
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- Cleaned up keys documents and updated specs for ephemeral keys [overview](https://www.notion.so/Overview-of-keys-in-LSSA-2e68f96fb65c800c8595feb9ca14a709) [hd keys](https://www.notion.so/Hierarchical-Deterministic-wallets-in-NSSA-1-2e98f96fb65c809d8b45c576ad20af33)
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- `blockchain:lee:private-account`
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- Summarized and analysed current proposed approaches [analysis](https://www.notion.so/Summary-and-analysis-of-approaches-2eb8f96fb65c80b7aaced953e93da41c)
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- Iterated on Deposit Logs, yielding a proposal for unlinkable deposit logs [proposal](https://www.notion.so/LEE-v0-3-proposal-unlinkable-deposits-to-existing-private-accounts-2ed8f96fb65c801a87d5e78becbb2206?source=copy_link)
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- `blockchain:lee:execution-continuations`
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- Study on batched program executions to support chaining [analysis](https://www.notion.so/Execution-continuations-idea-2e98f96fb65c80ad81a7ca72ad9d7a40?source=copy_link)
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- `blockchain:lee:docs`
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- LEE docs organized into a Resource library [docs](https://www.notion.so/2e88f96fb65c806cb358dfa3547a507f?v=2e88f96fb65c812ab13d000ca1b2e103&source=copy_link)
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- `blockchain:lee:cross-calls`
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- Document on using tail-call mechanism for general cross calls [analysis](https://www.notion.so/Cross-calls-thoughts-2e78f96fb65c80c7a5e2f807167328dd)
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- `blockchain:lee:token-program`
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- Integration tests refactoring (merged) [lssa#262](https://github.com/logos-blockchain/lssa/pull/262)
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- Token Program refactoring (in-review) [lssa#293](https://github.com/logos-blockchain/lssa/pull/293)
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- Public accounts authorization checks in private execution (in-review) [lssa#259](https://github.com/logos-blockchain/lssa/pull/259)
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- `blockchain:lee:indexer`
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- Indexer is functional, integration tests next [lssa#282](https://github.com/logos-blockchain/lssa/pull/282)
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- `blockchain:lee:sequencer`
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- Sequencer is posting blocks to Bedrock [lssa#286](https://github.com/logos-blockchain/lssa/pull/286)
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## `blockchain:comms`
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- `blockchain:comms:blog`
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- From Cybernetics to Blockchain published [blog](https://blog.nomos.tech/story-of-the-network-from-cybernetics-to-blockchain-communities/)
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