Is this on ALL bets {Different coins}? I see you have real time stats on your homepage, so it might get easy to determine when that 5 millionth level has been reached.
Very interesting way to celebrate a landmark reached on your site.
Congratulations OP...... well deserved effort.
Statistics on first page is not live. It is refreshed once every minute. Bounty is for every coin but only one coin and user can reach 5 mio bet on dice.