this is the first time i have heard of the 'moneypot' wallet...interesting !!
Moneypot isnt really only a usual online wallet , more or less it is a suitable wallet for gambler and also a risk-free bankroll provider for developer to start their own gambling site which you can read more about it here
https://bitcointalk.org/index.php?topic=1020726.0. Developer gets 50 % share of the house edge each time a player wager on the site so its a complete win-win for developer