Invisible marks can help prove where digital media came from, but the same machinery can become a tracking system when hidden identifiers link files to outside records. This article separates useful provenance from privacy-invasive spymarking.
Microsoft Paint and Photos can generate images on-device while still sending prompts to cloud moderation services. A server-issued GUID is embedded into pixels and echoed in C2PA metadata, creating a hidden provenance trail separate from the visible Copilot logo.