[fatbat]

Where did you see about an escrow? Or are you asking hypothetical? Since the site does not address this issue, there is nothing to stop the site from up and leaving with all the coins. With a mixer, they can easily disappear too.

There is however a phone number listed here, https://bitbook.ie/contact

[the_cat_kittles]

as I understand it, the bets go to holding pools (presumably controlled by bitbook.ie) until the events outcome is determined, at which point they are dispersed accordingly, maybe I got that wrong