Defcon 20 badge on display at the NSA Cryptologic Museum

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Yes, that would be the Parallax Propeller based DEFCON badge.

https://forum.defcon.org/showthread.php?t=13176

From the museum tour notes...

DEFCON is one of the largest conferences for the hacking community. Hackers, generally considered a threat to computer and communication networks, can also be an asset. Speaking at DEFCON 20 in July 2012, General Keith Alexander, Commander of U.S. Cyber Command and Director of NSA/CSS, said, "The hacker community and USG (U.S. Government) cyber community share some core values: we both see the Internet as an immensely positive force; we both believe information increases in value by sharing; we both respect protection of privacy and civil liberties; and we both oppose malicious and criminal behavior. We should build on this common ground because we have a shared responsibility to secure cyberspace."

Enjoy!