> For the complete documentation index, see [llms.txt](https://www.bitvm.club/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.bitvm.club/bitvm-weekly-report/2024.10.28-2024.11.3.md).

# 2024.10.28 - 2024.11.3

## 2024.11.3

BitVM Official Project Update: Merged the PR submitted by the Fiamma team @Fiamma\_Chain feat: implement the g2\_subgroup check #125[ https://github.com/BitVM/BitVM/pull/125](< https://github.com/BitVM/BitVM/pull/125>), which fixes the G2 subgroup check bug.

## 2024.10.31

YuFeng @captain8299 from Nubit @nubit\_org has completed the formal verification of the BitVM project <https://x.com/captain8299/status/1852017901123051566>

## 2024.10.29

BitVM Official Project Update: Merged the PR from the Bob team @build\_on\_bob feat: optimize winternitz #121, <https://github.com/BitVM/BitVM/pull/121>, reducing the winternitz script size from 26.9375 bytes/bit to 26.1125 bytes/bit, saving 3 opcodes per digit.

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BitVM Official Project Update: Merged the PR from the Nubit team @nubit\_org feat: Add helper functions to use signatures as witness #123, <https://github.com/BitVM/BitVM/pull/123>, adding functions with the suffix \_witness to use signatures as witness data.