Ethereum founder Vitalik Buterin discussed the impact of high transaction fees on the early adoption of decentralized payments, citing his observations from a trip to Argentina where locals preferred free and instant Binance transfers. He noted that these high fees hindered the initial exploration of crypto payments. However, with Ethereum Layer 2 (L2) fees now below one cent and platforms like Optimism and Arbitrum achieving Stage 1 security milestones, scaling solutions have become more accessible. Buterin emphasized that the original rollup-centric scaling approach is evolving as Layer 1 (L1) scaling accelerates. He suggested that the future of Ethereum lies in the combined development of L1 and L2, with L2s needing to offer unique features such as enhanced privacy or application-specific capabilities to remain relevant.