The debate over which consensus algorithm is right for blockchain is long overdue. While proof-of-work remains popular with Bitcoin (BTC), interest in proof-of-stake protocols has been picking up speed, especially with the planned shift of Ethereum to a PoS, Ethereum 2.0.
Which one is better, though, remains up for debate. For example, Ankit Bhatia, a co-founder and the CEO of Sapien, told Cointelegraph: “Proof-of-stake is simply more scalable because it eliminates the race to solve math problems and the need for computation to grow the pot.” According to Bhatia, PoS’s ability to make use of sharding makes it the better choice: