Spot Ethereum (ETH) exchange-traded funds (ETFs) are off to a strong start after pulling upwards of $100 million in net inflows on July 23, the funds’ first day of trading, but they fell short of Bitcoin’s (BTC) epic ETF debut in January and may struggle to catch up, according to analysts who spoke with Cointelegraph. The spot ETH ETFs clocked inflows of some 10% to 20% of what BTC funds garnered during day one trading in January. That’s roughly in line with expectations given the larger total market capitalization of BTC but not enough to shake fears that ETH may be a harder sell than BTC wit…