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You'll still depend on the organism who keep the gold backing the cryptocurrency. It would be somehow centralised.

I think the value will come from the service provided by the blockchain. Like Steem provide you a blogging platform, rewards and content. Bitshares provide you a banking experience without middlemen.

The big winners will be the ones with good services and good technology. Forget about anything that is not able to bear worldwide usage.

Agreed, the decentralized part is the key IMHO

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