I'm Hard As A Rock And As Light As A Feather

Riddle: I'm hard as a rock, and as light as a feather. I'm passed on to one another. Poor people need me, and rich people have me. What am I?

Answer: Money.

Source: https://www.riddles.com/890

I'm hard as a rock, and as light as a feather. I'm passed on to one another. Poor people need me, and rich people have me.
What am I? — I'm hard as a rock and as light as a feather by Anonymous v1.

Riddle: I'm hard as a rock, and as light as a feather. I'm passed on to one another. Poor people need me, and rich people have me.
What am I? Answer: Money. — by Anonymous v2.