this post was submitted on 12 Aug 2023
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cryptocurrency
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I see your point. Yes, it feels a bit wasteful that the data is just junk and not something actually useful. But they are building a L1 crypto, which means smart contracts. AFAIK there are no proof-of-storage cryptos that support smart contracts yet.
As far as I understand, the GPU is required to deter setting up huge data centers with terabytes of data dedicated to Spacemesh, this network is optimised for small miners. And also they wanted to make sure that it's cheaper to store the data than to regenerate it every time. In any case the GPU is only needed once, to generate the data the first time.
Differently from the other proof-of-storage, in Spacemesh the disk is idle 96% of the time, it's only spin up once every two weeks. Less energy wasted.
It's a different model, quite fascinating in my humble opinion 🙂