Proof of Stake vs Proof of Work Statistics: How the Two Systems Stack Up

Proof of work and proof of stake are the two main ways cryptocurrencies check and record transactions. Both aim to stop anyone from spending the same coin twice without a bank in the middle. They go about it in very different ways. This article compares the two systems using figures and claims from five published sources, covering energy use, speed, security and track record. What Consensus Mechanisms Do A blockchain is a shared record of who owns what. Thousands of computers keep copies of it, and all of the copies must match.

Source: CoinCentral