# \#protocol

**URL:** https://forum.aztec.network/tag/protocol/26.md

[Latest](https://forum.aztec.network/latest.md) · [Categories](https://forum.aztec.network/categories.md) · [Tags](https://forum.aztec.network/tags.md)

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## [Multi-proving Aztec’s private state: a design-space report](https://forum.aztec.network/t/multi-proving-aztec-s-private-state-a-design-space-report/8637)

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**Author:** [@The-CTra1n](https://forum.aztec.network/u/The-CTra1n)\
**Replies:** 1\
**Last updated:** [August 5, 2026, 5:22am UTC](https://forum.aztec.network/t/multi-proving-aztec-s-private-state-a-design-space-report/8637 "2026-08-05T05:22:24Z")

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Report summarising the design work of Artem Grigor, Conor McMenamin, and Mike Connor. This report documents the design space explored by the authors. It does not select a preferred design, recommend adoption, or represen…

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## [Issue with gas fee spikes and value leakage](https://forum.aztec.network/t/issue-with-gas-fee-spikes-and-value-leakage/8430)

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**Author:** [@emrepiconbello](https://forum.aztec.network/u/emrepiconbello)\
**Replies:** 4\
**Last updated:** [February 1, 2026, 6:25pm UTC](https://forum.aztec.network/t/issue-with-gas-fee-spikes-and-value-leakage/8430 "2026-02-01T18:25:36Z")

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There is a significant disconnect between the current system Aztec relies on for sending information to L1, which creates a misalignment of incentives. The node just sends a transaction and spams the exact same transact…

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## [Improving Aztec Block Production](https://forum.aztec.network/t/improving-aztec-block-production/8238)

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**Author:** [@The-CTra1n](https://forum.aztec.network/u/The-CTra1n)\
**Replies:** 2\
**Last updated:** [December 25, 2025, 9:39am UTC](https://forum.aztec.network/t/improving-aztec-block-production/8238 "2025-12-25T09:39:19Z")

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TL;DR This article summarizes the takeaways from a recent Nethermind exploration into the future for Aztec’s L2 preconfirmation layer. We outline some limitations in the current designs, and consider two viable solution …

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## [What is msg\_sender when calling private-\>public? (Plus a big foray into Stealth Addresses)](https://forum.aztec.network/t/what-is-msg-sender-when-calling-private-public-plus-a-big-foray-into-stealth-addresses/7527)

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**Author:** [@Mike](https://forum.aztec.network/u/Mike)\
**Replies:** 8\
**Last updated:** [March 9, 2025, 4:38pm UTC](https://forum.aztec.network/t/what-is-msg-sender-when-calling-private-public-plus-a-big-foray-into-stealth-addresses/7527 "2025-03-09T16:38:46Z")

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Thanks to Joe, Nico, Palla, Lasse, Jan, Zac, and several others for discussion on this topic so far. Related, but outdated and less detailed: Who is msg.sender when making private -\> public function calls This pos…