In proof of stake you essentially get asymmetric security and cost because the miners put up these massive security deposits. The users only need to pay tiny amounts of money to buy units of services but we can cause massive damage to the machines simply because we can slash them remotely. There's no difference between running a Raspberry Pi in your closet or something like that versus running some other sort of super professional rig somewhere. And then all you should have to do is to go to an exchange by the tokens and then you should be set to go.