Mithril update 2025-04-23 (#582)

Author: jpraynaud

blog/2025-04-23-mithril.md

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+---
+title: Mithril Team Update
+slug: 2025-04-23-mithril
+authors: jpraynaud
+tags: [mithril]
+hide_table_of_contents: false
+---
+
+## High level overview
+
+This week, the Mithril team focused on signing ancillary files in the Cardano database snapshots using an IOG key and on the proof of concept for the Mithril/ALBA aggregation proof system. They also worked on simplifying the aggregator’s command configuration and dependency injection. Additionally, they kept refactoring the STM cryptographic library to improve clarity.
+
+Finally, the team investigated a communication problem in the signer when the attached Cardano node is restarted, and worked on accelerating the compilation time of the Rust nodes and libraries.
+
+## Low level overview
+
+- Completed the issue **Aggregator stress test is failing** [#2408](https://github.com/input-output-hk/mithril/issues/2408)
+- Worked on the issue **Sign ancillary files with IOG key** [#2362](https://github.com/input-output-hk/mithril/issues/2362)
+- Worked on the issue **Mithril/ALBA aggregation proof system PoC** [#2403](https://github.com/input-output-hk/mithril/issues/2403)
+- Worked on the issue **Re-organize STM library structure** [#2369](https://github.com/input-output-hk/mithril/issues/2369)
+- Worked on the issue **Rollout Cardano Database v2 feature** [#2409](https://github.com/input-output-hk/mithril/issues/2409)
+- Worked on the issue **Signer fails to access Cardano node after it has rebooted** [#2426](https://github.com/input-output-hk/mithril/issues/2426)
+- Worked on the issue **Simplify dependency injection container structure in aggregator** [#2366](https://github.com/input-output-hk/mithril/issues/2366)
+- Worked on the issue **Simplify the configuration of commands in aggregator** [#2384](https://github.com/input-output-hk/mithril/issues/2384)
+- Worked on the issue **Accelerate Rust compilation time with workspace dependencies** [#2430](https://github.com/input-output-hk/mithril/issues/2430)