Copyrights don't do shit for controlling sources and trust on Internet. You are mistakening things. Copyright is a framework of laws to enforce rarity and property on immaterial things. Patent is another way to it much more reasonably. Trademark is a third way. None of those is worth anything.

Imposing rarity and property on things that can be copied and transfered freely is a cancer for mankind.

Now there is what in France is called paternity of a work. Unfortunately it's tied to copyrights in the law, but it's still its own thing. I don't care much for it. It didn't existed for ages and it didn't prevented mankind from creating all kind of stuff.