> To stop wasting computing resources in crypto currencies and get something useful as a byproduct. Bitcoin is the only major cryptocurrency that still use pro

> To stop wasting computing resources in crypto currencies and get something useful as a byproduct. Bitcoin is the only major cryptocurrency that still use proof of work today (others are either using “proof of stakes” or are “Layer 2” chains), and due to its (relative lack of) governance structure, it's very unlikely to ever change.