Navigate to Units → Construct tab in Command Center and click “Build” button
4- Send your Miners to extract resources from these deposits. They will extract resources and take them to your Mothership's storage.
Hold Left Click and drag to select multiple Resource Miners and Right Click on a resource node.
5- Build Refineries of the appropriate type (i.e. if you are extracting Minerals, build a Minerals Refinery). Your refineries will start automatically refining the resources in your Mothership's storage.
Navigate to Buildings → Construct tab in Command Center, click “Build” button.
Some of the resource deposits may be far away from your base. In this case, a Mobile Depot can be used to deliver the resources, so the Miners can concentrate on mining.
Once you establish a production line, you will need an army to protect it from the Aliens. With you Units Factory you could produce Spiders, a universal fighting unit.
To reinforce your defenses, you can construct stationary defense structures, like Turrets.
Here's a short overview of the things you can produce:
You'll never lose your NFTs. Even if they are completely destroyed you always will be able to rebuild your unit or structure, which will keep all their progress.