Is an educational credential like a type of money? That's the core thought behind Doug Belshaws post that challenges traditional thinking on things like badges. Because, he argues, if they are like money, then they could be like something like bitcoins, generated through a cryptological algorithm called a blockchain, and hence able to be dispensed without being duplicated. "If we used the blockchain for Open Badges," he writes, "then we could prove beyond reasonable doubt that the person receiving badge Y is the same person who created evidence X. This would use a proof of work system." It's an interesting thought and one worth pursuing, I think.
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