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Chemical, Printable RFIDs

Syre writes "The RFID Journal says that CrossID, an Israeli startup, has developed an RFID system that can be printed using an inkjet printer. The 'nanometric' RFID system uses tiny particles of chemicals with varying degrees of magnetism that resonate when bombarded with electromagnetic waves from a reader. Since the system uses up to 70 different chemicals, each chemical is assigned its own position in a 70-digit binary number. 'Previously, there has been no way to protect paper documents,' says Moshe Glickstein, CrossID cofounder. 'We have created the first firewall for paper documents.' The big advantage is that the tag can be printed on just about anything. 'It's as easy to create as a printed bar code. And we can print in invisible mode for extra security. Printing the tags cost less than 1 cent each.' Their FAQ says that 'CrossID can be read from quite a long distance'. No word on whether it can be user-disabled..."

33 of 285 comments (clear)

  1. Built Into the Bar Code by egg+troll · · Score: 3, Interesting

    If it is built into the bar code, would the stores that carry said products have to reveal to their customers that RFID tags were in items? Scary.

    --

    C - A language that combines the speed of assembly with the ease of use of assembly.
    1. Re:Built Into the Bar Code by realdpk · · Score: 3, Interesting

      A "clearing house" for RFID-based tracking data could be set up, where partner retailers submit their data about when a customer purchases an item, what identification they provided (be it "discount card" or identifying the customer based on them carrying past purchases), for data warehousing and consumer tracking. Of course, at first, the company would keep each retailers data private, but inevitably, someone will name a price for the data that they won't be able to pass up. Or we'll have another situation where insurance companies start buying data to deny claims.

      There would be real money in retailers being able to identify relationships between their consumers, too, and a clearinghouse could help them figure that stuff out pretty easily.

      It wouldn't be all that expensive to implement, and isn't science fiction. As far as I know, it isn't against the law either.

      The paranoid in me would also suggest that they could pay off Waste Management et al to install RFID readers so the retailers could figure out how long you keep your items before tossing them (which may actually be interesting information, but not something I am seeking to share with said retailers..)

    2. Re:Built Into the Bar Code by realdpk · · Score: 2, Interesting

      If the items they're carrying contain the unique serial number, they'd at least know the item was purchased by "consumer X". They could make an educated guess if they see a number of items that they can track to consumer X. If consumer Y has one of consumer X's items, but mostly not, they'd know that there's some relationship between the two.

      It's definitely not something they could turn on today and have something totally useful in a month or two - it'd have to be in place for a year or more probably before it was pervasive enough to begin to be interesting. However nearly every item we buy has a UPC symbol now, so it's not unlikely that, as RFID becomes cheaper, every item could have an RFID tag in the future.

      As an aside, I really dig the ideas people have proposed to combat this, namely having phony RFID serial number generators on their persons. Could make the databases less useful, and maybe not cost effective. Of course, getting enough people interested in "fighting" the technology would be a bit tough.

    3. Re:Built Into the Bar Code by zer0halo · · Score: 2, Interesting

      I don't think it's very realistic to assume that most retailers will set up databases to collect and process that MASSIVE amount of data. Because if they were, they why don't they collect and process it already, with targeted discounts for consumers? It's not like they need RFIDs to do so. Anyone who pays with a credit or debit card - which is most people these days - theoretically has a record in the store's database of everything they've ever bought. So why doesn't the store have that information fed into the teller-machine so that based on your previous purchases, at check-out time the teller can offer you a discount on certain items which you've previous purchased in order to entice you to purchase them again? Or, with places like Costco or Sam's Club, everyone has a membership card, even if they pay in cash, so they could do the same thing. Heck, they could very easily set up a little kiosk at the entrance of the store where you scan your card and it offers you targeted information, discounts, offers, etc., based on your previous shopping experience, which they have a complete record of because you've had to use your card every time you shopped there. If they haven't done it so far - and the technology is already there to do so - then who's to say they're going to do it just because they can now wirelessly scan the items? RFID's have their uses, but I don't think that will be one of them. What could be desturbing is if they decide to embed a little RFID into your driver's license or ID card, and then eventually could keep track of you wherever you are, or at least keep track of everyone entering sensitive buildings or areas. I could easily see that happening in the name of "security" in order to "prevent terrorism".

      --
      Impossible is nothing.
  2. This makes it easy to defeat RFID by corebreech · · Score: 5, Interesting

    Think about it... if it's so easy and so cheap to produce RFID's, then what's to prevent us from printing out reams of the stuff, like a stack of paper where each sheet has a thousand RFID's printed on it, and then carrying whatever documents we'd like within that stack of paper.

    This also makes it easy to forge RFID's, doesn't it? Why pay full cost at the local market when you can play "The Price is Right" using your printer at home.

    1. Re:This makes it easy to defeat RFID by TheSpoom · · Score: 2, Interesting

      In addition to sibling replies, even if you could forge the RFIDs easily, it would only be referring to an entry in the store's database for the product, correct? So you wouldn't be able to change the price, only replace it with the RFID of a lower-priced item, which would look kinda suspicious to the checkout clerk if the product wasn't very similar.

      Course, if stores go ahead with the whole "walking out" thing where people pay automatically without the use of clerks and/or cashiers, they probably deserve it.

      --
      It's better to vote for what you want and not get it than to vote for what you don't want and get it.
      - E. Debs
  3. Cheap to print... by StuWho · · Score: 2, Interesting

    How much is a cartridge for one of these ink jet printers which can make these cheap RFID tags? Probably about $10o each.

    --
    "If you think nobody cares if you're alive, try missing a couple of car payments." Earl Wilson
  4. Magnetic.../ by caino59 · · Score: 2, Interesting

    "No word on whether it can be user-disabled..."

    what about by using a strong magnetic field?

  5. Why is this needed? by MakoStorm · · Score: 4, Interesting

    I mean seriously, is there some problem this if really fixing, do we need to track paper documents? How many paper documents are just prints of digital documents?

    They say it will work well on SKU tags but the article says it has some shortcomings in nasty (industrial environments). Most production factories I have been in were pretty environmentally nasty, so if it cannot stand up to where it would be most used, why have it.

    Zebra printers printing bar codes on plastic tags have worked so much better everywhere I have had to put them including some factories that are as close to the depths of hell as I want to get to.

    1. Re:Why is this needed? by hawkstone · · Score: 2, Interesting

      MakeStorm wrote: I mean seriously, is there some problem this if really fixing, do we need to track paper documents?

      Working in a classified environment, I can certainly see a use for this. I imagine if they could, the government would absolutely like to know if a worker carries top secret documents home with them.

    2. Re:Why is this needed? by hawkstone · · Score: 2, Interesting

      Sure, I agree this can't do much to prevent intentional removal of classified documents. I see it more as a way to prevent accidents. Much the same way that they don't allow classified media in an office of a type that can be read by an unclassified machine in the same office. There's nothing stopping someone from doing it intentionally, but it helps stop you from doing something stupid and causing an infraction through mere carelessness.

  6. Currency protection? by addie · · Score: 5, Interesting

    Seems to me this could be easily implemented to be an anti-counterfeit measure.

  7. Copy by hand? by zymurgy_cat · · Score: 2, Interesting

    Hmmmm....so if they install readers in copy machines, how about I just hand copy the document (or just the very important facts, figures, etc.)? How about a little hand scanner? How about an older USB scanner attached to my laptop?

    --
    -- Fugacity: Confusing chemists since 1908
  8. A godsend, perhaps? by Absurd+Being · · Score: 3, Interesting

    Do human beings count as water filled objects? Keep them from cheaply tracking US, if we can distort the waves with our bodies.

    --
    Karma: Excellent^(-t/Tau), Tau=Wittiness/Trollishness
  9. Seems very useful for stopping mass theft of docs by 0xfc · · Score: 3, Interesting

    If the goal is to steal one sheet of information, take a picture, memorize it, copy it, etc... all valid ways to subvert this system.

    That is not very practical in the real world.
    Most times one wants to steal a whole bunch at a time.
    I am sure we have all read interesting things that
    are left sitting in the printer unattended... that might have
    value to someone else outside the company doors.

    So that seems to be what this system might stop.
    One cannot stick 100 pages of information in their
    pants, covered by their shirt and just walk out.

    At one cent a page, it seems very reasonable to install those
    directly into your printer. I want one too. Well as long as it
    comes in a normal printer as an added feature. Let the printer
    company pay the license fee, and I will buy the special inks.

    Profit.

  10. Not just for paper by Syre · · Score: 4, Interesting

    By quoting the co-founder, I may have given the impression that this is just an RFID for paper.

    Actually, they say they could print this on all kinds of materials, so it could be sprayed onto products before they are painted, etc.

    I kind of doubt you could deactivate them by overloading them, as you can other RFIDs.

    This could be a rather invasive and hard to counteract development...

    1. Re:Not just for paper by Witchblade · · Score: 4, Interesting

      Interesting. Everyone seems to have immediately thought of this being used by retailers besides the obvious document watermarking. My first thought was the entertainment industry would love something like this: DVDs, CDs, and whatever's next (especially whatever's next!) that can only be played on RFID enabled devices, and such devices that only read RFID printed media.

      Next front for 21st century hackers: chemistry, bio, and molecular physics. Will the next DeCSS be a protein chain?

    2. Re:Not just for paper by fermion · · Score: 2, Interesting
      I don't think deactivation would be that hard. Like many security devices, this is good to protect the innocent rather than thwart motivated criminal behavior. For example, this method would allow all secure documents and materials to have an RFID tag on it to prevent or track an item that are removed from a secure location. Offices could use it to keep writing implement from wandering out of the office. In both cases, the tag could easily be torn or scratched off.

      I also wonder if they would make a good replacement for barcodes. Now that stores let you check yourself out, I have wondered if people bring extra bar codes with them. For instance, instead of paying for the 30 dollar bottle of wine, you swipe a bar code for the 10 dollar bottle of wine. Traditional RFID tags may be a counter measure to this, but this type of tag may not be.

      --
      "She's a scientist and a lesbian. She's not going to let it slide." Orphan Black
  11. RFID and Barcodes != Security or Trust by PetoskeyGuy · · Score: 4, Interesting

    If this thing is so easy and cheap, I wouldn't use it as certification that confidential documents haven't been tampered with. The same scan that could be done to verify the papers were legit would also allow you to get the get the RFID, then just print the same RFID paint on your new documents.

    It's just a RF barcode. It lets machines read things a little bit easier. There is nothing very secure about it, especially once it becomes widespread.

    The biggest change I forsee is that the cashier at the grociery store - if they still have a job - won't have to touch anything. The conveyor belt will scan all the food as it goes down to the bagger, and probably your RFID Credit Card too.

  12. Re:+z: Funny? by Rick+the+Red · · Score: 4, Interesting

    My greater fear is that they will outlaw individual possession of RFID readers. It's not too much of a stretch for the folks who thought up the DMCA to apply its "anti-circumvention device" prohibition to RFID readers. If we can't read 'em we can't find 'em, and if we can't find 'em we can't remove 'em.

    --
    If all this should have a reason, we would be the last to know.
  13. Developer offers Linux-based RFID by _type_linux_ · · Score: 3, Interesting

    The problem with RFID technology is that while it works well at close range with limited sensors, in a real world environment with noise, reliability goes down significantly. Companies like WalMart are already spending millions on research on RFID technology. We're still not at a stage when sheep or bees are equiped with unique rfid tags. Imagine having the power to ssh into a bee and mess with it's brain! Watch out for the new species of "killer bees"...

  14. Re:+z: Funny? by starm_ · · Score: 4, Interesting

    ah but if these chemicals are so cheap we can just spray them everywhere effectively jamming the signal

  15. Hmm by ColaMan · · Score: 2, Interesting

    It would appear that all you need to do to fuck this up is to have some extra chemcials on the paper.

    They say that they have 70 different chemicals that all resonate at different frequencies, they assign each chemical to a certain position in a 70 bit string.

    So if you want to mess with it, all you need to do is add a few drops of glue with (say) 15 of the chemicals in it onto the item, then the reader reads a 70 bit code with 15 extra 1's in it.... which is not the code that it's looking for, move along.

    --

    You are in a twisty maze of processor lines, all alike.
    There is a lot of hype here.
  16. Verisign? by victor_the_cleaner · · Score: 2, Interesting
    What's a good discussion without our friends at Verisign?

    With RFID built into currency as an anit-counterfeit tool, now they will be able to cross-reference my cash-on-hand with products in the store. As I reach for the overpriced Ben-N-Jerry's a voice will say "you can't afford it bud!"

    1. Re:Verisign? by Arngautr · · Score: 2, Interesting

      verisign is a scary thought, but last I heard the EU has plans to incorperate RFID tags in Euro notes, this method would work for that. The US wont be ble to do this though. It reminds me of a document that the ACLU, and a bunch of other groups published a while back. saying that: "(1) Merchants must be prohibited from forcing or coercing customers into accepting live or dormant RFID tags in the products they buy. (2) There should be no prohibition on individuals to detect RFID tags and readers and disable tags on items in their possession. (3) RFID must not be used to track individuals absent informed and written consent of the data subject. Human tracking is inappropriate, either directly or indirectly, through clothing, consumer goods, or other items. (4) RFID should never be employed in a fashion to eliminate or reduce anonymity. For instance, RFID should not be incorporated into currency." Every one of these I agree with wholly: http://www.privacyrights.org/ar/RFIDposition.htm

  17. this is huge! by l0ungeb0y · · Score: 5, Interesting

    Wow, if the article is right on and the tech is solid, this is something that will revolutionize the way we live.

    With a 3-10ghz range wireless reader, these would be the most feasible types of tags to use as a security device.
    When entering a secured facility, you could get a unique card printed up and be allowed or denied access to rooms/areas via installed card readers. I'd much rather have a throw away card over biometrtics any day. And this such much more reliable over all.

    And what about home security?
    These could act as keyless entry, and also allow you to tag your belongings so that if they were detected as leaving your premesis, the authorities could be contacted.

    There are plenty of 1984ish applications such as embedding these into ID cards/Drivers Licenses, which could in the future be a very effective way to monitor peoples comings and goings. But, I'm sure there are hundred of tinfoil cap wearing slashbts who could delve into those areas for me.

  18. Re:+z: Funny? by Frymaster · · Score: 3, Interesting
    My greater fear is that they will outlaw individual possession of RFID readers.

    for the dedicated, though, such bans never seem to work. police scanners are illegal in my country... but i picked one up at a pawn shop for $100. and every city desker at your local newspaper worth his/her nacl has one.

    only a few years ago, military grade crypto was restricted for private use in the state, and that didn't stop anyone who wanted it from getting it.

  19. Re:Sign of the beast by static+int · · Score: 4, Interesting

    The "mark of the beast" IS the answer to many problems facing governments and corporations of our time.

    With a system where each person has their own id (read mark) imprinted into their wrist or forehead things like identity theft (bogus sellers, bogus buyers - think ebay, think credit card,...), piracy (copyright infringment), tracking of individuals (think terrorists, enemies of the state, rapists, kidnapped persons, etc) would (seemingly) fall by the wayside.

    With the many converging technologies of today this is getting easier all the time. With technologies like the internet, and wireless access points (hotels, corporations, restaurants, ...) you have the necessary infrastructure. And with the various RFID technologies and entities pusing for implimentation (Walmart, US military) you have things shaping up pretty nicely.

    Revelation 13: 16-17:

    "He also forced everyone, small and great, rich and poor, free and slave, to receive a mark on his right hand or on his forehead, so that no one could buy or sell unless he had the mark..."

  20. Re:Sign of the beast by orthogonal · · Score: 4, Interesting

    I think geeks should unite and play up the "sign of the beast" angle, that way the fundamentalist christian crazies will resist it, and hence the republican party.... :)

    But in all seriousness folks, this would probably backfire. The Fundamentalist Christians support the state of Israel precisely because they expect Armageddon to start there, and -- according to their Holy Book -- Armageddon has to happen before Christ returns to reward the Fundies.

    That Armageddon is supposed to leave Israel hip deep in blood is one of those regrettably necessary evils. It'll be th blood of the Jews and the Muslims, not the Fundies. The Fundies will rule for 1000 years at the side of Christ, or rise bodily into heaven or however it is their Sky-Ghost is supposed to reward them.

    Since another Sign of the "End Times" is the ubiquitous appearance of the Mark of the Best on foreheads or hands everywhere, I wouldn't be surprised to see Fundies being all for it, on the theory that the sooner the Beast comes, the sooner Christ follows.

  21. Re:+z: Funny? by chrome · · Score: 4, Interesting

    no, you are not.

    Most people have a scar on their left arm from some innoculation that we all get when we're babies. I forget what it's for - measels I think. Anyway - what it's for is unimportant. (I think the X-Files had a wonderful episode where they postulated that the tissue collected from every innoculation went into a big storehouse for a genetic database)

    One could very easily see how a government could set it up so that everyone was tagged during this innoculation.

    We have it in Australia, and I see the same scars here all the time in Japan and I saw them in England - I wonder how many other countries do this innoculation?

    God, I'm turning into a paranoid nut ... but in this day and age, I'm wondering if thats actually just a sensible precaution.

  22. BS by BetaJim · · Score: 4, Interesting

    I believe that this company's technology is a hoax. The description from the RFId Journal page is nonsense. The CrossID homepage is very vague and lacks any useful information (just read the last FAQ item at the bottom of the page.)

    The description that the RFId Journal gives reads like pseudoscience. Here's an example:

    The system uses "nanometric" materials--tiny particles of chemicals with varying degrees of magnetism--that resonate when bombarded with electromagnetic waves from a reader.

    Some elements and molecules will resonate (emit electromagnatic energy [EM]) when exposed to EM radiation of a particular frequency, but only in the presence of a magnetic field! The process the article describes (without mention of the magnetic field) is that used by MRI machines. Why didn't the article or homepage mention the superconducting electromagnets necessary for the RFId tags to operate?

    Even if the tag materials are magnetic (in which case its composition must be a ferrous metal, ceramic, or a magnetic plastic), then the very weak magnetic field is still not strong enough to cause the atoms/molecules to resonate in an EM field. Another sentence from article shows more inaccuracies:

    CrossID is testing readers that operate at three to 10 GHz, which is higher than the frequencies commonly used by wireless LANs and handheld computers, although the company has not made a final determination on what frequency the readers will use.

    They claim that 70 tag compounds are used which all have different resonate frequencies. Fine, the reader would use a wide-band receiver. I read the above as the tag reader using one transmit frequency. The trouble is that it is unlikely that those 70 compounds will all resonate when exposed to the same frequency EM waves. Anyway, it states that a "final determination" hasn't been made for what frequency to use! If the RFId tag ink exists then it MUST already be known what frequency must be used. This tech is bogus.

    This article is just like the "Ubiquitous LED" article a few days ago. (if you want the reasons just reply) This article should not have been posted. It is not even wrong ;)

    --

    "Drug related crime" is a misnomer, "prohibition related crime" is the more accurate and correct phrase.

  23. Cheap? Not at all! by Thor+Ablestar · · Score: 3, Interesting

    I see the only method to create something with characteristic frequencies distributed evenly in microwave band: Piezoelectric quartz nanoparticles that resonate on different frequencies due to different size. Let us estimate the size. Speed of sound in solids is somewhere 1.5 kilometers per second (plus-minus 1 order of magnitude), so 1 GHz resonator crystal is about 1.5 micrometers in size. Such nanoparticles are easily printable, but I still see no way to create them equal.

    And the second: I hear the word "magnetic". But I have heard about some magnetic resonances such as used in magneto-resonant tomography - and they all require the specific ambient magnetic field.

    Let us wait for more info. For instance, a lot of IDs sticked together will be a good jammer.

  24. That's really interesting. by SquareOfS · · Score: 2, Interesting
    The technology as described in the article seems to be binary relative to "detected presence"; i.e., if we can detect this "note" from one of the 70 chemicals *at all*, that binary digit is on. So it would be remarkably easy, if one had the inks (or even a decent subset of the inks) to corrupt the signatures of the tags.

    So that would seem to incline towards a control of the ink materials or production. I wonder how hard these chemicals would be to produce in a non-industrial setting?

    I also wonder if the detectors could be improved to detect relative density -- of course that would just mean you need to do a little tinkering with the "eraser" so that it detects the signature and adjusts the masking mix . . .

    Also, of course, having detectors capable of detecting relative density would increase the "namespace", though 2^70 already gives us ~200 million unique identifiers for each of 6 billion humans.