Last week marked the one-year anniversary of Ethereum’s historic “Merge” – the shift to a more energy-efficient proof-of-stake network. But in some ways the largest smart-contract blockchain has become a victim of its own success: Staking is so popular that the number of network validators is mushrooming toward 1 million, introducing new concerns related to the sprawl. We discuss how Ethereum developers are addressing the issue with the EIP-7514 proposal.