"Some of these methods require a little trust. Using smart contracts on blockchain 2.0 platforms, developers can now build cryptocurrencies backed by items of “real” value. The trusted third party promises to redeem cryptocoins for those items at an ongoing fixed rate; assets like .bit domain names would be simple to do this with, while backing with things like commodities, real estate or other property requires interaction with third parties like the traditional legal system."
http://bitcoinmagazine.com/17039/fight-volatility-cryptocurrency/
