Guardian Circle’s Mark Jeffrey Featured in Alex Winter’s New Documentary TRUST MACHINE: THE STORY OF BLOCKCHAIN MARINA DEL REY, CA, Oct. 30, 2018 (GLOBE NEWSWIRE) -- Guardian Circle, the first global, decentralized emergency response system, announced today its founder and CEO Mark Jeffrey is...

XPRIZE Foundation’s Peter Diamandis Joins Guardium Token Sale As Advisor And Participant To Support Decentralized Emergency Response Santa Monica, CA, May 25, 2018 (GLOBE NEWSWIRE) -- Guardian Circle, the first global, decentralized emergency response system, today announced Peter Diamandis, XPRIZE Foundation Founder...

Guardian Circle Named Finalist in Fast Company’s World Changing Ideas Awards Santa Monica, CA, April 16, 2018 (GLOBE NEWSWIRE) -- Guardian Circle, the first global, decentralized emergency response system, is pleased to announce it has been named as a finalist in...