In a recent statement, Vitalik Buterin, the co-founder of Ethereum, delivered a candid and straightforward reality check to the largest cryptocurrency networks, emphasizing that they are not effectively scaling to meet the increasing demands of users and applications. He pointed out that despite efforts and advancements, these networks are struggling to achieve the level of scalability necessary to support a growing ecosystem, which is crucial for their long-term sustainability and competitiveness in the ever-evolving crypto landscape.
source: https://www.coindesk.com/business/2026/02/03/you-are-not-scaling-ethereum-vitalik-buterin-issues-a-blunt-reality-check-to-the-biggest-crypto-networks