Metalcoin is a minable cryptocurrency, backed by tangible assets. Miners will be able to mine MetalCoins with their computers and trade them in for actual gold, silver and copper coins (minted by MetalCoin), if they choose to sell. MetalCoin will also hold a derivative value based on future franchise performance. Word of warning as their website and twitter feeds are not working as of april 2015.
"In coin we trust."
CryptoCurrency price and chart data is generously provided by coinmarketcap.com, cryptocompare.com, various sources and exchanges. Prices may be delayed and vary depending on origin. Always do your due diligence before investing, and remember to keep your crypto safe and secure in a hardware wallet instead of an exchange. Best of fortune to you!