What's the difference between buying gpus and storage to control the crypto and locking money in that crypto? I personally fail to see it since both lock your m

What's the difference between buying gpus and storage to control the crypto and locking money in that crypto? I personally fail to see it since both lock your money and generate interest. Its just a different way to lock it. Plus PoS scheme have better control over that locked money, and can more easily punish bad actors.