Is the Proof of Work a Good Idea?

Etherium is the world's second largest f work netwook. Onetes o 500 million users use etherium for their smart contracts. Etherium has been able to role out its economic policy in a way that allows it to make more money than any other company on earth. Therum, an open-source version of Bitcoin, was created by Vitalik Buterin and Jusson von Storozynski last year.