# frank · Rell standard library · Chromia Docs (concept)

> val frank: byte_array = x"7777777777777777777777777777777777777777777777777777777777777777" A private key representing the actor frank. Not secure - unsuit

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/rell.test.privkeys/frank/

PROPERTY

# frank

```signature
val frank: byte_array = x"7777777777777777777777777777777777777777777777777777777777777777"
```

A private key representing the actor frank.

**Not secure - unsuitable for production usage.**

Since 0.10.4

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/rell.test.privkeys/frank.html)Generated API reference, mirrored from the live docs