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Bitcoin’s meteoric rise last year had many observers calling it one of the biggest speculative manias in history. The cryptocurrency’s 2018 crash may help cement its place in the bubble record books.

Down 70% from its December high after sliding for a fourth straight day on Friday, Bitcoin is getting ever-closer to matching the Nasdaq Composite Index’s 78% peak-to-trough plunge after the U.S. dot-com bubble burst. Hundreds of other virtual coins have all but gone to zero — following the same path as Pets.com and many other red-hot initial public offerings that flamed out in the early 2000s.

While Bitcoin has bounced back from bigger losses before, it’s far from clear that it can repeat the feat now that much of the world knows about cryptocurrencies and has made up their mind on whether to invest. Bulls point to the Nasdaq’s eventual recovery and say institutional investors represent a massive pool of potential cryptocurrency buyers, but regulatory and security concerns have so far kept most big money managers on the sidelines.

“You’ll have to see the market reverse before you see” institutions pile in, Peter Smith, chief executive officer of Blockchain Ltd., which introduced a crypto trading platform for professional investors on Thursday, said in an interview on Bloomberg Television. Bitcoin declined as much as 4.2% to $5,791.19 on Friday, the lowest level since November, according to Bloomberg composite prices. Read more from fortune.com…

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