> For the complete documentation index, see [llms.txt](https://docs.transferchain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.transferchain.io/core-concepts/cryptography/authentication-and-authorization.md).

# Authentication & Authorization

* A user fills in his/her account email address and the password to the fields.
* A seed is generated through encryption of the user password with the key computed by PBKDF2 on the mnemonic words

<figure><img src="https://3966757443-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdGeEU8LlQNx720hndGNy%2Fuploads%2F9wcy6m4YbAVmXc1rgGNm%2Fimage.png?alt=media&amp;token=160826b2-8f77-4a65-84fa-66a6c2c892fe" alt=""><figcaption><p>Auth &#x26; Auth</p></figcaption></figure>