> For the complete documentation index, see [llms.txt](https://dev.teaproject.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.teaproject.org/z_glossary/where_the_message_is_stored.md).

# Where Messages are Stored

In the TEA Party, the messages are stored in an [OrbitDB](http://orbitdb.org) database. OrbitDB is a non-relational database running on top of IPFS.

## Security

For TEA Party's public messages, there's no need to encrypt.

Messages are stored in [orbitdb](https://github.com/tearust/t-rust/blob/master/docs/_gitbook-dev-docs/z_glossary/orbitdb.md) (and eventually in IPFS) in plain text.

But private messages aren't saved in plain text. The hosting nodes will encrypt the message using the [app\_aes\_key](https://github.com/tearust/t-rust/blob/master/docs/_gitbook-dev-docs/z_glossary/app_aes_key.md) and then save the cypher to OrbitDB.

Because only TEA Party hosting nodes have the [app\_aes\_key](https://github.com/tearust/t-rust/blob/master/docs/_gitbook-dev-docs/z_glossary/app_aes_key.md) in their own enclave, other apps or users cannot get the content of these messages.

## Cost

OrbitDB /IPFS is very cheap compared to using the [state machine](https://github.com/tearust/t-rust/blob/master/docs/_gitbook-dev-docs/z_glossary/state_machine.md) which exclusively uses RAM to store the state. For more details, please see [orbitdb](https://github.com/tearust/t-rust/blob/master/docs/_gitbook-dev-docs/z_glossary/orbitdb.md).