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27 bytes added, 02:55, 12 April 2012
C. Badge
The core currency of exchange. A single credential demonstrating a skill, achievement, quality or affiliation.
* Representation - Chunks Assertion url representing chunks of JSON data embedded into a PNG file
* [ Badge Assertion aka Badge Manifest] - Earner identity information (<algorithm>$<hash(email + salt)>) plus badge information (JSON metadata)
* Verified Badge - Badges that have an assertion URL. OBI currently supports verification of badges through Hosted Assertions. i.e. When Issuer pushes badge to the OBI, metadata is pushed to a unique and persistent url aka assertion url. Issuer maintains Badge Assertion and Displayers can ping the assertion URL to confirm verification.

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