Explore
Challenges
For Business
For Startups
Who We Are
Results
Get Started
Launch a challenge
Connect with talented problem solvers
Solve a challenge
Join our community and win prizes
Log In
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
share
Follow
Following
Unfollow
message
Sergio Castro Reina
Cleveland, Ohio, United States
more
About
Challenges
Following
Activity
Awards
Activity
About
Challenges
Following
Activity
Awards
March 4, 2020, 2:04 p.m. PST
Solar Prize Round 2
replied a new topic to
uploading Set package
March 4, 2020, 6:58 a.m. PST
Solar Prize Round 2
created a new topic to
uploading Set package
July 31, 2019, 8:02 p.m. PDT
Solar Prize Round 2
created a new topic to
Peer ranking results
July 10, 2019, 1:02 p.m. PDT
Solar Prize Round 2
registered for challenge
