Inside the tiny chip that powers Montreal subway tickets

Ken Shirriff shows us Inside the tiny chip that powers Montreal subway tickets:

It’s remarkable that these NFC chips can be manufactured so cheaply that they are disposable.

For the curious on how things work, where technology look like magic. As a Montrealer, I’m very familiar with the use of these tickets, both buses and the metro.

If you like that kind of read, just go through the rest of Ken Shirriff’s blog, where he analyses under a microscope a lot of other chips, including older ones familiar with older computers, from a time where these chips on disposable tickets would have been unthinkable. It is top quality content.