With crash gambling, you bet on a multiplier target, such as 1.5 x or 2x

https://telegra.ph/A-Provocative-Remark-About-Crash-Gambling-10-15

With crash gambling, you bank on a multiplier target, such as 1.5 x or 2x. If the multiplier never ever reaches your chosen point, your bet is lost; if it does, you can take profit.