Following the Chips in Wynn's New Casino
ctwxman writes "As Steve Wynn gets set to open his new Las Vegas casino, something new hits the tables: RFID encoded chips they report that "The fancy new chips look just like regular ones, only they contain radio devices that signal secret serial numbers. Special equipment linked to the casino's computer systems and placed throughout the property will identify legitimate chips and detect fakes" " " Having stayed pretty much everywhere else cool on the strip, I'm sure I'll try the Wynn out soon after it opens, but I think I'll be cashing out my chips before I leave the casino. It makes me nervous knowing I could be unwittingly scanned by others after I leave the floor. Of course, this added inconvenience may save me a fortune in blackjack losses!
The range over which you can read RFID information in any sort of portable (ie: non-obvious) fashion is limited to a few inches. In fact, tuning the damn things so they'll read at (say: 4 or 5) inches is hard.
The readers that are designed for doorways can do roughly 2 feet, but they're huge and very very obvious - they're designed for store entrances, where they make you walk through the "gates" to get in/out of the store. You can't miss a 4-foot (max) separated row of columns covering all the exits...
RFID works by the reader exciting a sympathetic response in the tag (which is itself unpowered, though it rectifies the incoming RF energy to self-power), this response modifies the reader's waveform signal, overlaying an incredibly weak (roughly 1% of the incident waveform) signal on top. It is this weak modification to the reader's signal that has to be extracted and deconstructed into a bitstream.
Speaking as one whom RFID has tried, it's not an easy task to get any significant distance between tag and reader, and IM(NS
Aside: London Underground introduced an RFID-based system for block-purchase of tickets, promising it would read your "ticket" in your bag/pocket as you passed by. This claim was dropped on introduction, and they now advise you to swipe the reader with your tag as you go by...
Simon.
Physicists get Hadrons!
ehhh, it hardly matters. the house always gets its chips back eventually....
from the rejected submission bin:
funny-jack says: A small school in the San Francisco area has come up with the latest "innovative" use for RFID: tracking student attendance.
You probably shouldn't click this.
"WHAT? I just got it from the blackjack table over there!"
"Remain calm. Casino security will be with you shortly."
In other words.... PWN3D!
Seems to me it could be spoofed, but I Am Not An Expert. What if you have a small radio transmitter in your pocket to swamp the table's RFID transmitter? Maybe read the RFID at one table, and play it back later to spoof some other table?
Plus it would give the security personnel a false sense of security, and maybe more traditional ways of cheating would be easier.
I wonder if this is not just a publicity ploy, just make some noise to get more people in who would not otherwise come in.
Infuriate left and right
Aside from helping to stop counterfeitting, these RF chips could also be used to further what casinos already do: track players. If you know what players have what chips you can figure out what bets they place at table games easier.
:)
They already do this with slots (where you put a card in with credits) to keep track of comps and the like. If this were implemented into the chips, it would be easier to keep tabs on mid-low range players and who is a good repeat player for issuing comps.
Just an expansion of many casinos approach to customer relations
They will be able to track individual gabling habits, and from that, system usage.
Back in the mid 1990s (1995-1997) when I was working for Casino Software Corporation of America, one of our major competitors already had this kind of system up and operating. Though I think thiers was ACTIVE RFID instead of Passive (was passive available that early?) they had readers in their blackjack table and even a scanner in the shoe to know what cards were where and who to pay out to. I always thought their system was a security hole- if you could grab the image off of the pit boss's system you would know the cards of everybody at all the blackjack tables. But their system sure did prevent the common "double payout" scam that was running around at the time (where the con man went to the table of a dealer he was paying under the table- and knew that he could get the bets paid incorrectly).
SJW: a person who perceives an injustice, and while correcting it, commits a greater injustice.
That's nothing. Call me when they RFID the cards. I've got a hankerin for some poker.
Another reason for RFID chips is that they can be used to automatically detect bet amounts, and thus can be used to better determine appropriate player comps. For example, with blackjack, simply place a RFID sensor under the box where the player places his bet, and with the appropriate software, the floorman can instantly see how much the player has been betting (and, perhaps, winning and losing, although that's a little more tricky).
Also makes cashing out in the poker room quite a bit quicker.
If I took some chips out of the casino, rendered the RFID tags useless with a magnet (or whatever it takes), then went back and requested payment, would they refuse to pay?
I can potentially imagine the big stink that would arise if RFID tags stopped working in valid chips for some reason. Suppose you were playing blackjack and won a ton of money, went straight to the cashier, and they refused to pay because the RFID tags weren't responding. I can imagine lawsuits would spring up pretty darned quickly.
I'm sure I'll try the Wynn out soon after it opens, but I think I'll be cashing out my chips before I leave the casino.
I'm pretty sure that you're not supposed to leave the property with the chips but even if you could, they won't be accepted at other casinos (especially since Wynn is not part of the major casino chains - unless you plan on playing in Wynn's property in Macau).
If you're concerned about going back to your room with chips because of theft - well, I think it's more suspicious redeeming them for cash in plain view.
The RFID features are meant to a) reduce theft, fraud and counterfeiting and b) reduce the time required to balance a table.
In the couple of casinos I worked at, they wanted you to take the chips home with you - it's close to 100% profit. And the silvers and clays are made by companies with almost as much rigor as the US Mints, so someone would have to go to a lot of trouble to bring in fake chips.
"Honey, how did you do at the black jack tables?"
"Lost everything."
"Was that before or after you gave that floozy a $100 chip?"
"Damn you RFID!"
Well, there's spam egg sausage and spam, that's not got much spam in it.
The RFID tags used on cars are much larger than any chip I've ever seen in a casino - and there are good reasons they are as big as they are - they need to absorb enough energy to send the signal back to the detector/antenna 10-15 feet away...
Also, casinos already know where the players are, they don't need to track them based on chip movement...
I think the real application will be the action at the table (a computer could watch the volume of betting and act as a virtual pit boss, signalling when the action is getting heavy/slacking off) and in the cashier (count and verify chips quickly). I also wonder if they will also use sensors in the doorways to try and keep their chips in their casino, and know when someone comes in with chips from another casino...
Ken
Ken
CmdTaco has added comments to the parent post after mine. However, there is no clear distinction where my words end and his begin. Since they might be interpreted to be from me, and they don't represent my sentiments, please note: everything written beginning with the words, "Having stayed," does not belong to me. In email conversation, CmdTaco has said he didn't feel there would be any confusion since my words are italicized. In this case, I respectfully disagree. I would appreciate this post being modded up.
EZPASS and Fastlane tags are powered transmitters - there's a lithium battery inside them. This is a complelety different beast from the RFID tags in the casino chips (and other small passive devices).