Date:   9/14/2007 8:47:44 PM ( 17 y ago)
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For the adventurous, another option for those who do not mind trying a brute-force type of method for disabling an RFID device; the humble microwave oven. A few years back there was a story making rounds on the web suggesting that the new series of 20 dollar bill FRNs being released then (2004) had RFID chips embedded in them. The claimant said they got a wad of same from the bank, then after a series of events where they seemed to be continually setting off security alarms at a big-box department store, they went home to test a theory; they placed several of these new 20 dollar FRN bills into the microwave (I don't know for how long or what setting), after some seconds and or minutes, there was a brief/mini fire that popped near the center of the bills near Hamilton's eyeball. Regardless of what this does or doesn't prove as regards RFID implants, at the least this might be construed as diminishing the capacity for using these bills ...like...spending them without a cashier questioning the situation ..."uhh, gee, I'm not sure I can accept these partly burnt / partly exploded bills".... but nonetheless this does seem a fairly reliable method for disabling the little buggers.... if they exist in the first place.  

It was not long after this story made it's rounds that on it's heals came the story promoted by many websites claiming the idea of RFID chips being implanted into paper currency is/was nothing more than paranoid conspiracy theory & urban legend. Do not be surprised to find Wikipedia among such web sites, do not be surprised to find rhetoric like "duh, 20 dollar bills explode in microwaves because they contain thin metal strips to prevent counterfeiting". At first blush this certainly sounds like a plausible government kind of explanation....it if wasn't for the fact that during the same period, the DEP (Department of Engraving & Printing) had released a memorandum about the new (2004) Series of 20 dollar bill wherein they admitted the new series included all kinds of new features, including a newly designed plastic security strip"... last time I checked, plastic is not metalic, plastic should not generally be expected to produce sparks when being cooked for some few seconds or minutes in a typical household microwave. Also consider that despite what the government claims it is doing to thwart counterfeiting via new paper currency designs, over just the last few decades of history, it doesn't seem that these efforts have ever done a good job at what was claimed - thwarting counterfeitters. More to the point it seems that no matter how often the U.S.G. Inc releases a new paper FRN design, counterfeitters are slowed down maybe a week or month...maybe several months, before they have the new series of paper cracked, figured out, sufficiently duplicated and the flow of counterfeit bills continues..... if it wasn't for that kind of routine phenom, well, such urban-legend notion might be at least closer to being in the realm of believability. You decide.

If the idea of RFID embedded in paper U.S. currency is supposed to be only a paranoid theory that's already been rendered into the dust-bin of busted urban legend, does it seem reasonable, by extension, that this holds true globally, in parts of the world with prominent central banking & financial centers?..... How about Europe? As far as how trends have played out in the rearranging of the world's order the past several centuries, Europe in general and England in specific have been locations where new trends first manifested before eventually appearing within the next several years in the U.S. Does it seem consistent with a "thusly busted paranoid urban legend conspiracy theory" that the below story by all rights appears to have been published some three to four years prior?  

http://www.eetimes.com/story/OEG20011219S0016

EE Times
(12/19/2001 5:14 AM EST)

SAN MATEO, Calif. — The European Central Bank is working with technology partners on a hush-hush project to embed radio frequency identification tags into the very fibers of euro bank notes by 2005, EE Times has learned. Intended to foil counterfeiters, the project is developing as Europe prepares for a massive changeover to the euro, and would create an instant mass market for RFID chips, which have long sought profitable application.

The banking community and chip suppliers say the integration of an RFID antenna and chip on a bank note is technically possible, but no bank notes in the world today employ such a technology. Critics say it's unclear if the technology can be implemented at a cost that can justify the effort, and question whether it is robust enough to survive the rough-and-tumble life span of paper money.

A spokesman for the European Central Bank (ECB) in Frankfurt, Germany confirmed the existence of a project, but was careful not to comment on its technologies. At least two European semiconductor makers contacted by EE Times, Philips Semiconductors and Infineon Technologies, acknowledged their awareness of the ECB project but said they are under strict nondisclosure agreements.

The euro will become "the most common currency in the world" at midnight on Jan. 1, when 12 nations embrace it, according to Ingo Susemihl, vice president and general manager of RFID group at Infineon. The ECB and criminal investigators in Europe are already on high alert, worried not only about counterfeiting of a currency most people haven't seen, but also of a possible increase in money laundering, given the euro's broad cross-border reach.

The ECB said 14.5 billion bank notes are being produced, 10 billion of which will go into circulation at once in January, with 4.5 billion being held in reserve to accommodate potential leaps in demand.

Thwarting underworld popularity

Although euro bank notes already include such security features as holograms, foil stripes, special threads, microprinting, special inks and watermarks, the ECB believes it must add further protection to keep the euro from becoming the currency of choice in the criminal underworld, where the U.S. dollar is now the world's most counterfeited currency. The ECB spokesman said his organization has contacted various central banks worldwide — not just in Europe — to discuss added security measures for the currency.

In theory, an RFID tag's ability to read and write information to a bank note could make it very difficult, for example, for kidnappers to ask for "unmarked" bills. Further, a tag would give governments and law enforcement agencies a means to literally "follow the money" in illegal transactions.

"The RFID allows money to carry its own history," by recording information about where it has been, said Paul Saffo, director of Institute for the Future (Menlo Park, Calif.).

The embedding of an RFID tag on a bank note is "a fundamental departure" from the conventional security measures applied to currency, Saffo said. "Most currency security today is based on a false premise that people would look at the money to see if it is counterfeit," he said. But "nobody does that. The RFID chip is an important advance because it no longer depends on humans" to spot funny money.

RFID basics

The basic technology building blocks for RFID on bank notes are similar to those required for today's smart labels or contactless cards. They require a contactless data link that can automatically collect information about a product, place, time or transaction. Smart labels produced by companies such as Philips Semiconductors, Infineon, STMicroelectronics and Texas Instruments are already used in such applications as smart airline luggage tags, library books and for supply chain management of various products.

"Two minimum elements you need for RFID are a chip and an antenna," according to Gordon Kenneth Andrew Oswald, associate director at Arthur D. Little Inc., a technology consulting firm based in Cambridge, Mass. When a bank note passes through reader equipment, the antenna on the note collects energy and converts it to electric energy to activates the chip, he said.

The antenna then "provides a communication path between a chip on the bank note and the rest of the world," said Tres Wiley, emerging markets strategy manager for RFID Systems at TI. For its part, the chip "is a dedicated processor to handle protocols, to carry out data encoding to send and receive data and address memory" embedded on the chip.

Although the industry is "well down the road with the smart label technology," Wiley said he was "a bit surprised to learn that someone goes to that extent — to embed RFID into bank notes — to combat counterfeit money."

A number of challenges must be overcome before RFID tags can be embedded on bills, said Kevin Ashton, executive director of the Auto ID Center at the Massachusetts Institute of Technology. "The most obvious one is the price," he said. Today's RFID tags cost between 20 cents to $1.00, and "that's not economic enough for most bills," Ashton said. "We've absolutely got to get the cost way down." The goal of the Auto ID Center is to find an application that requires billions of RFID chips to bring their cost as low as 5 cents, he added.

While most chip companies with RFID expertise are keeping their plans for money applications close to their chest, Hitachi Ltd. announced plans last July for a chip designed for paper money that would pack RF circuitry and ROM in a 0.4-mm square circuit measuring 60 microns thick. Although the chip features no rewritable capability, Ryo Imura, chief executive of Hitachi's Mew Solutions venture, said at the time of announcement, "We'll consider them for the next generation of products." Hitachi's chip stores encrypted ID information in ROM during the manufacturing process, presumably to replace the serial number of each bank note.

Even without writable memory, Hitachi's chip is said to be fairly costly. Hitachi declined to be interviewed for this article.

While the size of the rewritable memory embedded on an RFID chip will determine the kinds of information it can store, it also affects the chip's cost.

Affordable with bigger bills

It is unclear whether the ECB will incorporate RFID chips into all euro bank notes or just on the larger bills. The EUR 200 and EUR 500 bank notes in particular — equivalent to roughly $200 and $500 in value — are expected to be popular in the "informal" economy. Embedding a 30 cents chip into a EUR 500 bill would make more sense than putting it into a European buck, several industry sources said.

Manufacturing processes are also considered a major hurdle to embedding a low-cost antenna and chip onto bank notes. "The chip is already so small," MIT's Ashton said. "To connect the two ends of a coil — an antenna — at precisely the right place on a chip could present a major problem."

A printing process is an option, Ashton said, but "you need a breakthrough in the high-volume manufacturing process." Such a technology does not exist today, he said.

Size and thickness are key attributes of an RFID chip for paper currency, said Karsten Ottenberg, senior vice president and general manager of business unit identification at Philips Semiconductors. "For putting chips into documents, they need to be very small — less than a square millimeter — and thin such that they are not cracking under mechanical stress of the document. Thinning down to 50 micron and below is a key challenge." That would require advanced mechanical and chemical techniques, he said.

Bank notes present "an interesting future application for us," said Tom Pounds, vice president of RFID projects at Alien Technology, which holds the rights to a fabrication process that suspends tiny semiconductor devices in a liquid that's deposited over a substrate containing holes of corresponding shape. The devices settle on the substrate and self-align. Rather than working on the interconnection to an RF antenna one chip at a time, "we can do a massively parallel interconnection," Pounds said. Bank notes are not Alien's primary focus at present, he said.
 

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