Today, we’re going to talk about ZrCoin, a cryptocurrency that is to be backed by Zirconium Dioxide (ZrO2), a refractory material with high plasticity and corrosion resistant properties. Although the concept of real-life commodity backed cryptocurrencies is not new, the ZrCoin project takes the concept to a whole new level.
https://zrcoin.io
Read more: http://coremedia.info/blockchain-news/item/723-zrcoin-the-world-s-first-commodity-backed-blockchain-option