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

> val blockchain_ rid: byte_array The RID of the blockchain of this Rell dapp. A byte array of size 32 . Since 0.9.0

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/chain_context/blockchain_rid/

PROPERTY

# blockchain\_rid

```signature
val blockchain_rid: byte_array
```

The RID of the blockchain of this Rell dapp.

A byte array of size `32`.

Since 0.9.0

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