> For the complete documentation index, see [llms.txt](https://tutorial.neoline.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tutorial.neoline.io/reference/neo3-provider-api-legacy/write-methods.md).

# Write Methods

Write methods will alter the state on the blockchain, and require a user signature.