In fact, the Bitcoin and cryptocurrency bubbles have now exceeded even the extreme tulip bubble of 1635 - 1636. (theinvestorspodcast.com)
Historically, some of the frothiest bubbles have been relatively confined: the 17th - century Dutch tulip bubble left little collateral damage beyond the Netherlands; the dotcom boom blew up Silicon Valley, but international stock markets rebounded relatively quickly. (fortune.com)
This is a kind of 21st century tulip bubble that uses human folly. (getrevue.co)