> For the complete documentation index, see [llms.txt](https://battlezips.gitbook.io/battlezips/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://battlezips.gitbook.io/battlezips/development/circomlib/eddsa.md).

# EdDSA

You can read about the technical requirements more in the EdDSA section of *Theory*, as well as beginning your investigation with [this stack overflow thread on the Ed25519 and Ed448 curves' hash functions](https://crypto.stackexchange.com/questions/67619/which-hash-is-used-when-providing-signature-algorithm-ed25519-or-ed448). The available components that facilitate EdDSA verification in Zero Knowledge are: