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Stories of people removing the chip from Oyster cards and inserting it into key-rings, bracelets and other non-card objects have been knocking around for years. Now that contactless payment is being rolled out, we decided to take a look at the possibilities.
We asked Transport for London (TfL) for its views on putting chips into other objects and were told ‘they are not accepted on the network as a valid form of payment':
“By defacing Oyster cards and then travelling with them people would be risking a penalty fare as passengers need to produce a valid, intact ticket when requested. Plus they would not be able to hand back only part of a card and be reimbursed the deposit or any value that remains the card.”
So that’s that then. Or is it?
You might not be allowed to put your Oyster chip in something else, but what about making your own device which reads the data on your Oyster card? We asked an expert and (unsurprisingly) it’s more complicated than it might seem. Like contactless cards — hence the relentless warnings about card clash — Oyster cards use radio-frequency identification (RFID) technology which means you need a chip in another object, such as a rubber chicken. So, you pop an RFID chip into your rubber chicken (there’s a phrase we don’t expect to use often). It will then need to interact with the chip in the Oyster card.
Assuming all your user data is stored in a central database in the bowels of TfL’s headquarters, you can have as many rubber chickens as you like linked to your Oyster card. You could even enter a station using the conventional method and exit using a rubber chicken and your journey would be recorded seamlessly. You might look a bit of a tit though.
The problems arise when user data is stored on the Oyster chip itself. We freely admit that we have no idea if this is the case or not. If it is, you would need to synchronise the chip in the chicken with the chip in the Oyster card. Inevitably, this could be done via a smartphone app or even using a kiosk in the station.
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