Asset-backed cryptos will definitely be the next wave - great to see.
MetaliCoin www.metalicoin.com is another crypto doing just that, but will be creating a crypto metals marketplace, not just for one metal, but a basket of them - gold, silver, platinum, zinc, tin, etc. It's ecosystem will allow people to trade against a basket of metals (like fx trading is done with currencies), and whilst doing so, breaking the metals buying club by giving investors access to wholesale metal prices.