IMHO primedice is not the richest gambling site, they only have ONE game yea DICE even we all know there are many high rollers, betcoin.AG are the richest one. betcoin.AG offers plenty gambling options, start from sportsbook, casino, poker room and many more! and no doubt there are high stakes gambler too in each games, can you imagine how much their profit? and compare to primedice?
Yeah, but if one site has many games but 100 people play on their website, and another one only has one game but 1000 people play on their website, which one will make more money? While it's true Primedice has only one game, but they have a really large userbase and have been around for a long time. Betcoin.ag definitely makes a lot of money, but I don't think they make as much as Primedice.
Primedice without factoring in the hacks. Betcoin.ag does seem to have quite some bankroll but Primedice have suffered numerous hacks which took quite some hit to the bankroll. In terms of money making, Primedice does it the best.