Too Long; Didn't Read
There have been multiple questions on how it differentiates from the already existing proof of work mining network and how it will affect those who buy it. The proof of stake network is more like an upgrade to fill up the proof-of-work network deficiencies. It was created to reduce the processing resources needed to run the blockchain network. The network is predicated on network users' ability to demonstrate that a computing task has been completed. It makes it more secure by guaranteeing that only those who can verify they have expended resources are allowed to add new transactions to the blockchain.