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Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview

This week, the Mithril team focused on implementing new succinct proofs. The team worked on pre-aggregation SNARK primitives in the STM library, completed bridging between CPU and circuit implementations, and worked on lottery target pre-computation. They also continued to adapt the certificate chain for SNARK-friendliness and to implement signer authentication for SNARK verification keys.

Additionally, the team continued work on the new certification for Cardano blocks and transactions. This included implementing the prover, along with the proof routes in the aggregator REST API, and the diffusion of signing configuration.

Finally, they continued working on static builds for Mithril nodes, fixed some CI bugs, and implemented support for Cardano node v.10.6.2.

Low level overview

Features

  • Completed the issue Implement SNARK pre-aggregation primitives in STM library - Phase 1 #2792
  • Completed the issue Hash to curve CPU/circuit discrepancy for message signature in Schnorr signature #2993
  • Completed the issue Implement signable builder for Cardano Blocks and Transactions #2908
  • Completed the issue Implement signing configuration for Cardano Blocks and Transactions #2971
  • Worked on the issue Compute Lottery Target Value for SNARK #2974
  • Worked on the issue Implement SNARK pre-aggregation primitives in STM library - Phase 2 #2943
  • Worked on the issue Remove off-circuit module in Halo2 circuit #2945
  • Worked on the issue Prepare refactoring of SNARK circuit #2990
  • Worked on the issue Full review of recursive SNARK circuit prototype #2982
  • Worked on the issue Adapt certificate chain to support SNARK AVK #2811
  • Worked on the issue Support for authenticated signer registration for SNARK #2915
  • Worked on the issue Implement proof route for Cardano Blocks and Transactions in aggregator REST API #2988
  • Worked on the issue Implement new prover for Cardano Blocks and Transactions #2987
  • Worked on the issue Implement static build of Mithril nodes in CI #2989
  • Worked on the issue Integrate Mithril into the Cardano developer documentation website #3012

Protocol maintenance

  • Worked on the issue Upgrade to Cardano 10.6 #2790
  • Worked on the issue Fix snapshot-converter breaking change in 10.6.2 #3010
  • Worked on the issue Fix crates and npm packages publications GitHub workflows #2970
  • Worked on the issue Enhance protocol security page on website #2703

Mithril Team Update

· 2 min read
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview

This week, the Mithril team focused on implementing new succinct proofs. The team worked on pre-aggregation SNARK primitives in the STM library, completed golden master tests of the non-recursive SNARK circuit, and worked on bridging CPU and circuit implementations. They also began adapting the certificate chain for SNARK-friendliness.

Additionally, the team continued work on the new certification for Cardano blocks and transactions. This included implementing the signable builder, along with the artifact and proof routes in the aggregator REST API.

Finally, they worked on static builds for Mithril nodes and fixed bugs in the hash-to-curve implementation of the Schnorr signature.

Low level overview

Features

  • Completed the issue Add golden tests for Halo2 circuit prototype #2912
  • Completed the issue Pallas DMQ publisher keeps open connection to DMQ node #2961
  • Completed the issue Implement artifact routes for Cardano Blocks and Transactions in aggregator REST API #2956
  • Completed the issue Follower aggregator panics in e2e tests in run-only mode #2770
  • Worked on the issue Implement SNARK pre-aggregation primitives in STM library - Phase 1 #2792
  • Worked on the issue Compute Lottery Target Value for SNARK #2974
  • Worked on the issue Hash to curve CPU/circuit discrepancy for message signature in Schnorr signature #2993
  • Worked on the issue Implement signable builder for Cardano Blocks and Transactions #2908
  • Worked on the issue Implement signing configuration for Cardano Blocks and Transactions #2971
  • Worked on the issue Adapt certificate chain to support SNARK AVK #2811
  • Worked on the issue Implement proof route for Cardano Blocks and Transactions in aggregator REST API #2988
  • Worked on the issue Implement static build of Mithril nodes in CI #2989

Protocol maintenance

  • Worked on the issue Enhance protocol security page on website #2703

Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview

This week, the Mithril team released the 2603.1 distribution. This version introduces support for the DMQ protocol, preliminary support for decentralized configuration, implementation of the Blockfrost API to fetch stake pool operators' pool tickers and names, and various bug fixes and improvements.

The team also focused on implementing the pre-aggregation SNARK primitives in the STM library and continued work on the non-recursive SNARK circuit MVP, including golden tests.

Additionally, they kept working on the new certification for Cardano blocks and transactions, implementing the signable builder and artifact routes in the aggregator REST API. They also completed documenting proposals for increasing the adoption of Mithril and DMQ nodes in Cardano.

Finally, the team fixed some bugs in the DMQ publisher and follower aggregator and continued updating the protocol security page.

Low level overview

Features

  • Completed the issue Prepare recursive SNARK logbook #2767
  • Completed the issue Update protocol parameters to SNARK friendly values - Phase 1 #2813
  • Completed the issue Avoid panic in AggregateVerificationKeyForConcatenation conversion #2954
  • Completed the issue Synchronization of modifications between Halo2 circuit in STM and prototype #2947
  • Completed the issue Import Blocks and Transactions in new store for Cardano Blocks and Transactions #2907
  • Completed the issue Implement artifacts builder for Cardano Blocks and Transactions #2955
  • Completed the issue Add throttling to Blocks and Transactions preloader #2909
  • Completed the issue Proposals for Mithril/DMQ adoption in Cardano #2831
  • Worked on the issue Implement SNARK pre-aggregation primitives in STM library - Phase 1 #2792
  • Worked on the issue Add golden tests for Halo2 circuit prototype #2912
  • Worked on the issue Compute Lottery Target Value for SNARK #2974
  • Worked on the issue Implement signable builder for Cardano Blocks and Transactions #2908
  • Worked on the issue Implement artifact routes for Cardano Blocks and Transactions in aggregator REST API #2956
  • Worked on the issue Pallas DMQ publisher keeps open connection to DMQ node #2961
  • Worked on the issue Follower aggregator panics in e2e tests in run-only mode #2770

Protocol maintenance

Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview

This week, the Mithril team prepared the pre-release for the 2603.1-pre distribution. This version introduces support for the DMQ protocol, preliminary support for decentralized configuration, implementation of the Blockfrost API to fetch stake pool operators' pool tickers and names, and various bug fixes and improvements.

The team focused on implementing the SNARK-friendly STM library, advanced the non-recursive SNARK circuit MVP, and progressed work on pre-aggregation and recursive SNARK circuits.

Additionally, they worked on the new certification for Cardano blocks and transactions, implementing the storage layer, the artifact builder, and the throttled preloader.

Finally, they continued documenting proposals to integrate Mithril and DMQ nodes with Cardano and updating the protocol security page.

Low level overview

Features

  • Completed the issue Implement SNARK-friendly changes in STM library #2795
  • Completed the issue Create SNARK circuit new module in STM #2911
  • Completed the issue Implement Digest for Poseidon hash from Midnight ZK #2942
  • Completed the issue Synchronization of modifications between Halo2 circuit in STM and prototype #2947
  • Completed the issue Create new signed entity type for Cardano Blocks and Transactions #2905
  • Worked on the issue Release 2603 distribution #2830
  • Worked on the issue Document recursive SNARK solution #2767
  • Worked on the issue Update protocol parameters to SNARK friendly values #2813
  • Worked on the issue Implement SNARK pre-aggregation primitives in STM library - Phase 1 #2792
  • Worked on the issue Add golden tests for Halo2 circuit prototype #2912
  • Worked on the issue Avoid panic in AggregateVerificationKeyForConcatenation conversion #2954
  • Worked on the issue Import Blocks and Transactions in new store for Cardano Blocks and Transactions #2907
  • Worked on the issue Implement artifacts builder for Cardano Blocks and Transactions #2955
  • Worked on the issue Add throttling to Blocks and Transactions preloader #2909
  • Worked on the issue Proposals for Mithril/DMQ as optout feature of Cardano #2831
  • Worked on the issue Pallas DMQ publisher keeps open connection to DMQ node #2961

Protocol maintenance

  • Pre-released the new distribution 2603.1-pre
  • Worked on the issue Enhance protocol security page on website #2703

Mithril Team Update

· 2 min read
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview

This year, the Mithril team continues to prioritize protocol decentralization through the DMQ network, broader protocol adoption, and the introduction of succinct proofs by evolving the STM library with SNARKs.

This week, they focused on implementing the SNARK-friendly STM library, kept developing the non-recursive SNARK circuit MVP within it, and started working on the pre-aggregation SNARK primitives. They also kept working on the prototype of the recursive SNARK circuit.

Additionally, the team prepared for the deployment of the DMQ network by finalizing its infrastructure and node implementation.

Finally, they worked on documenting a proposal to make Mithril and DMQ opt-out features of Cardano, and continued updating the protocol security page.

Low level overview

Features

  • Completed the issue DMQ testing with SPOs on preview #2833
  • Completed the issue Use Midnight ZK backends for Jubjub and Poseidon in STM #2888
  • Completed the issue Update the Midnight library dependency in circuit prototype #2910
  • Worked on the issue Document recursive SNARK solution #2767
  • Worked on the issue Update protocol parameters to SNARK friendly values #2813
  • Worked on the issue Release 2603 distribution #2830
  • Worked on the issue Implement SNARK-friendly changes in STM library #2795
  • Worked on the issue Implement SNARK pre-aggregation primitives in STM library #2792
  • Worked on the issue Create new signed entity type for Cardano Blocks and Transactions #2905
  • Worked on the issue Import Blocks and Transactions in new store for Cardano Blocks and Transactions #2907
  • Worked on the issue Proposals for Mithril/DMQ as optout feature of Cardano #2831

Protocol maintenance

  • Worked on the issue Enhance protocol security page on website #2703