> For the complete documentation index, see [llms.txt](https://callisto-network.gitbook.io/callisto-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://callisto-network.gitbook.io/callisto-network/security-department/various-contributions/ethereum-classic.md).

# Ethereum Classic

- [ECIP-1092 51attack solution: PirlGuard & Callisto proposal](https://callisto-network.gitbook.io/callisto-network/security-department/various-contributions/ethereum-classic/ecip-1092-51attack-solution-pirlguard-and-callisto-proposal.md)