Even if they're are RFID's in the chips themselves, the table still has to have scanning equipment to read the payouts and that's expensive. Not all casinos use

Even if they're are RFID's in the chips themselves, the table still has to have scanning equipment to read the payouts and that's expensive. Not all casinos use that to track play and payouts. I believe Bellagio uses old school tracking with pit bosses going around writing down your play from time to time.