[Grayscale Ethereum Staking Mini ETF Q1 Inflows Reach $337 Million, Ranking First Among U.S. ETPs] Grayscale CEO Peter Mintzberg posted on the X platform that Grayscale's Ethereum Staking Mini ETF recorded $337 million in inflows during the first quarter of 2026, ranking first among U.S. ETP providers. During the same period, the Ethereum network experienced its busiest quarter ever, with on-chain transaction volume exceeding 200 million and stablecoin market size reaching a record $180 billion.