~/talk

I got an NFC chip in my hand, now what

Talkat Devoxx Belgium 2019 · 2019-11-04..11-08· [embedded-and-hardware, security]
speakerdeck:geoaxis
slides:none on file

Passive 13.56 MHz NFC implants hold about 888 bytes (886 user) of memory, are encased in bioglass, claim 10 years retention and 100k writes per block, and require centimeters of proximity to read. Practical uses shown include storing SJ train membership and experimental SAS boarding tokens, but usability suffers because phone antennas vary and alignment is fiddly. Risks include UID tracking, writable attacks unless locked with a password, infection on poor insertion, and removal requires minor surgery; newer 8KB 3DES chips add onboard encryption.

AI-written summary · about

  1. 0:00My journey into implants
  2. 1:43Implant technology basics
  3. 3:10Technical specifications
  4. 6:40Real-world applications
  5. 9:51Privacy and security risks
  6. 12:40Health and safety factors
  7. 15:26Conclusion and advice
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