I was taught this way back in high school. Even though I have my artist signature on ALL my traditional, if I scan my traditional lineart to color digitally--I still add even my digital signature (watermark) too. You can't be too careful in this world--especially with DA going towards the dark direction it's headed in. @_@

But signing is soooo haaaaarrrrd. I am guilty as hell for not doing this. I probably should