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Kevin Chen
New York City, New York, United States
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Feb. 2, 2017, 6:27 a.m. PST
XPRIZE Visioneers 2017
registered for challenge
Aug. 27, 2016, 8:28 a.m. PDT
Blockchain Social Impact Challenge by Summit Institute & CoreTech Foundation
replied a new topic to
Uses of Blockchain
Aug. 3, 2016, 10:19 p.m. PDT
Blockchain Social Impact Challenge by Summit Institute & CoreTech Foundation
created a new topic to
Uses of Blockchain
July 24, 2016, 10:48 a.m. PDT
Blockchain Social Impact Challenge by Summit Institute & CoreTech Foundation
registered for challenge
May 2, 2016, 8:11 p.m. PDT
Infrastructure Vision 2050 Challenge
registered for challenge
April 20, 2016, 5:21 p.m. PDT
XPRIZE Visioneers 2016
registered for challenge
