According to this video I watched, per gram it is Anti matter, in reality the most important thing you have is TIME, you give it away for fiat paper, when it should be spent on your spirit & with people that really matter in your life!
Even Alexander the Great, wanted to give this message to his people when he made his doctor carry his coffin and jewels thrown on the path to his burial plot with his arms out flaying!
Source: https://sites.google.com/site/positivethinkingclub/the-three-last-wishes-of-alexander-the-great
~Ohboy