Ethereum has surged 67% in the past month to US$2,577, moving away from its previous slump below its November 2021 all-time high of US$4,891.Former BitMEX CEO Arthur Hayes predicts ETH could reach US$10k-$15k after being overshadowed by Solana.The Pectra upgrade, Vitalik Buterin's increased social media activity, and recent scaling proposals have enhanced network optimism and sentiment.US spot Ethereum ETFs witnessed over US$100 million in net inflows over three trading days, with BlackRock's ETHA receiving about half of the flows.