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Wasn't there also like CureCoin that unfolds proteins for medical application?

• haakon 7y ago
  Yes, and there's also SolarCoin which rewards users for producing renewable energy. The problem is that these coins are centralised, so while they may be very useful for what they do, they don't solve the same problem as proof-of-work coins which aim to be decentralised.
• untoreh 7y ago
  there is also gridcoin but they are not useful pow. they are proof of stake where the stake is the amount of contribution towards boinc projects and the likes, and they are affected by the oracle problem