The Grayscale Ethereum Trust (ETHE) has posted its first day of zero outflows, ending a consecutive daily onslaught of outflows since its launch. It comes as Ethereum and several of its layer-2 networks witnessed a surge in on-chain activity. On Aug. 12, Ether (ETH) exchange-traded fund (ETF) flows flipped positive for the fifth time since their launch on July 23, aided by ETHE posting its first day of zero outflows, per Farside data. In total, ETHE has hemorrhaged nearly $2.3 billion in Ether since its launch. Prior to its conversion, ETHE held a total of $9 billion in ETH on its books, meani…