Setup Chromia Account

Install Chromia CLI

You can install Chromia CLI using a package manager or by downloading it directly from Chromia CLI Packages.

To install Chromia CLI (chr) on macOS, follow these steps:

If Homebrew is not installed, install it by running:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Add the Chromia repository to Homebrew by running the following command:

brew tap chromia/core https://gitlab.com/chromaway/core-tools/homebrew-chromia.git

To install Chromia CLI (chr) on Linux or WSL (Windows Subsystem for Linux), follow these steps:

Download and add Chromia's apt-repo public key to your system’s trusted keyrings:

curl -fsSL https://apt.chromia.com/chromia.gpg | sudo tee /usr/share/keyrings/chromia.gpg

Add the Chromia repository to your list of package sources:

echo "deb [arch=amd64 signed-by=/usr/share/keyrings/chromia.gpg] https://apt.chromia.com stable main" | sudo tee /etc/apt/sources.list.d/chromia.list

Run the following command to update your package sources:
```
sudo apt-get update
```
info
If you added apt.chromia.com before Chromia CLI version 0.16.0, run the following command to allow the repository update:
```
sudo apt-get --allow-releaseinfo-change update
```
Once the repository is updated, install Chromia CLI by running:
```
sudo apt-get install chr
```
To verify that Chromia CLI is installed successfully, check the version:
```
chr --version
```

To install Chromia CLI (chr) on Windows using Scoop, follow these steps:

If Scoop is not installed, install it by running the following command in PowerShell (run as Administrator):
```
iwr -useb get.scoop.sh | iex
```

Add the Chromia repository (bucket) to Scoop by running:

scoop bucket add chromia https://gitlab.com/chromaway/core-tools/scoop-chromia/

Add the Java bucket to Scoop by running:
```
scoop bucket add java
```
This will enable scoop to download the openjdk21 which chromia-cli depends on when installing
Install Chromia CLI by running:
```
scoop install chr
```
To verify that Chromia CLI is installed successfully, check the version:
```
chr --version
```

chr keygen -f eval_engine_key

You can find the generated private key in the eval_engine_key file. Save this private key in your environment variables.

The file will contain content similar to this:

#Keypair generated using secp256k1
#Sat Jan 25 08:25:39 MYT 2025
privkey=XXXXX
pubkey=XXXXX

Important: Do not commit the eval_engine_key file to git version control

Last updated 10 months ago