> The Bitcoin blockchain Proof-of-Work is simply a distributed, decentralized clock. While this is a cute way of looking at the issue it also isn't true. The

> The Bitcoin blockchain Proof-of-Work is simply a distributed, decentralized clock. While this is a cute way of looking at the issue it also isn't true. The bitcoin blockchain gets updated on average every 10 minutes with the data produced by proof of work. The author is saying that the cart pulls the horse, because they are both moving.