Nassim Nicholas Taleb, the author of "The Black Swan" believes bitcoin (BTC-USD) is as irrational to buy it as it is to short it, saying "I am not "bearish" on #BTC," in a tweet. Meanwhile, bitcoin (BTC-USD -5.6%) pulls back even further to net negative territory intra-day from its newly marked all-time high from Wednesday, reaching as low as $62.2K on Thursday, now changing hands at $62.8K. He likens the digital token to the 17th century tulip mania that saw the price of tulip bulbs surge before crashing, but without the aesthetics, and it's disguised as a "currency," he writes. In contrast, SkyBridge's Anthony Scaramucci said the crypto drop from September was a good buying opportunity; BTC has climbed about 48% since his call less than a month ago. Earlier this week, Paul Tudor Jones said inflation is a "very bleak picture," but crypto, particularly bitcoin, offers a great hedge.