> For the complete documentation index, see [llms.txt](https://swiftcloud.gitbook.io/swiftcloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swiftcloud.gitbook.io/swiftcloud/parallel-runtimes/private-computation-runtime.md).

# Private Computation Runtime

The reference ParaTime uses TEEs to support efficient execution of confidential smart contracts, Thisgection discusses at a high level some of the securityissues which are solyed by the architectural design.as well as some general issues that remnain to be ad-dressed. These are issues that must be addressed byall TEE-based confidential ParaTimes, so they shouldbe of independent interest.