Shaping the Industry: 7 Defining Moments of Proof of Work vs Proof of Stake

4. Ethereum’s Declaration of Transition to Proof of Stake

The fourth pivotal moment came in 2015 when Ethereum, one of the largest blockchain networks, announced its plan to transition from PoW to PoS with Ethereum 2.0. This decision marked the first time a major blockchain committed to such a significant change, further legitimizing PoS as a viable alternative. Ethereum’s transition aimed to address both scalability and environmental concerns, making it a crucial milestone in the shift toward PoS.