DRM flags are set by the creator of a blueprint and can be manually turned off if you’d prefer to let a blueprint roam free for editing, but they are also inherited (so your DRM-free blueprint cannot be slightly altered and then sold). You can get the full details on the official site, which will be useful to anyone planning a lucrative in-game career as a ship designer.
Content retrieved from: https://massivelyop.com/2020/12/22/dual-universe-introduces-the-full-rundown-on-its-detailed-blueprint-drm-systems/.