Moxie Marlinspike is an American entrepreneur, cryptographer, and computer security researcher known for creating Signal and co-founding the Signal Technology Foundation. He served as the first CEO of Signal Messenger LLC and co-authored the Signal Protocol encryption used by various platforms including Signal, WhatsApp, Google Messages, Facebook Messenger, and Skype. Marlinspike has a background in security, having led the security team at Twitter and proposed SSL authentication system replacement called Convergence. He has also developed services like a cloud-based WPA cracking service and GoogleSharing for targeted anonymity.
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