> For the complete documentation index, see [llms.txt](https://docs.opus.money/current/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.opus.money/current/technical-documentation/security/internal.md).

# Internal

## Smart Contract Testing

Opus' codebase features a comprehensive test suite, relying on unit and integration tests.

## Monitoring

Hypernative is used to monitor Opus' smart contracts.