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1.
▲
Show HN: World Bank Blockchain Hackathon to address global water challenges
(wrc-hackathon.devpost.com)
3 points
sanketsarang
7 years ago
discuss
2.
▲
Blockchain Hackathon for Wastewater Recycling
(wrc-hackathon.devpost.com)
2 points
karishmakunder
7 years ago
discuss