Bitcoin appears to be back on the rise but will altcoins follow? Alex Krüger thinks not. Bitcoin is King Earlier this week, economist and crypto analyst Alex Krüger tweeted that in his opinion, the majority of altcoins have “become asymmetric bets with an unattractive return profile.” Outside of February – April’s impressive altcoin rally (Alt Season) where a number of altcoins posted 300% to 500% gains, altcoins have performed poorly against Bitcoin since late April. Read MoreThe post When It Comes to ROI, Altcoins Are No Match For Bitcoin: Analyst appeared first on Bitcoinist.com.