The precipitating factor for the Financial Crisis of 2007 — 2008 was a high default rate in the United States subprime home mortgage sector — the bursting of the «subprime bubble». (en.wikipedia.org)
He made his first few million dollars in merger arbitrage and then he was sharp enough to predict and bet against the subprime bubble. (hedgefundhub.com)
Cryptocurrency is, admittedly, much smaller than the subprime bubble that popped a decade ago, which was roughly two orders of magnitude larger than bitcoin today. (coindesk.com)