Bitcoin Cracks $12,400 While Ether Lags Behind

“Ether was largely a bystander Monday, mimicking the surge higher, instead of being the driving force behind it,'' said Denis Vinokourov, head of research for crypto brokerage Bequant. “This is suggesting a growing unease towards the current valuation.” Skyrocketing Ethereum transaction costs were one of the reasons Vinokourov noted this sentiment.