Just today I discovered Bram Cohen is actually working on a new crypto-currency in a company [0] he has setup. It should be interesting to see if he can create a better crypto that doesn't have all problems that he currently sees in Bitcoin and others. He's currently looking for devs with good algorithmic skills to join his company.
Last I heard he was talking about proof of storage, which seems like it has the potential to do for hard drive prices what the others have done for graphics cards!
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[0]: https://chia.network/