> For the complete documentation index, see [llms.txt](https://comboox.gitbook.io/whitepaper-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://comboox.gitbook.io/whitepaper-en/technical-brochure/structure-and-components.md).

# Structure and Components

To sort the voting weights of shareholders, retrieve historical voting powers and other relevant purpose,  **Comboox** adopted Checkpoints, TopChain, EnumerableSet and some other data struactures.

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[Checkpoints](/whitepaper-en/technical-brochure/structure-and-components/checkpoints.md)
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[TopChain](/whitepaper-en/technical-brochure/structure-and-components/topchain.md)
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[GoldChain](/whitepaper-en/technical-brochure/structure-and-components/goldchain.md)
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[EnumerableSet](/whitepaper-en/technical-brochure/structure-and-components/enumerableset.md)
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[Condition and ConsRepo](/whitepaper-en/technical-brochure/structure-and-components/condition-and-consrepo.md)
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[HashLock and LockersRepo](/whitepaper-en/technical-brochure/structure-and-components/hashlock-and-lockersrepo.md)
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[Signature and Sigpage](/whitepaper-en/technical-brochure/structure-and-components/signature-and-sigpage.md)
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[File and FilesRepo](/whitepaper-en/technical-brochure/structure-and-components/file-and-filesrepo.md)
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[Doc and DocsRepo](/whitepaper-en/technical-brochure/structure-and-components/doc-and-docsrepo.md)
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