Coinbase co-founder Brian Armstrong: Proof of work (PoW) is still the most credible thing

According to Crypto Globe, at the Ask Me Anything (AMA) conference, Coinbase co-founder Brian Armstrong said that proof of work (PoW) is still the most credible thing, and it has stood the test of time. As a great invention in the Satoshi white paper, it opened the whole revolution. Therefore, he does not think that PoW will disappear soon, especially in Bitcoin. It also mentions that POS can bring benefits in terms of energy consumption and scalability.