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

> alias pubkey = byte_ array An array of bytes. This type is immutable. Since 0.6.0 Alias of byte_array

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/pubkey/

ALIAS

# pubkey

```signature
alias pubkey = byte_array
```

An array of bytes. This type is immutable.

Since 0.6.0

**Alias of** [byte\_array](https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/byte_array/)

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/%5Broot%5D/pubkey.html)Generated API reference, mirrored from the live docs