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Human implants

Every day people are replacing keys with RFID implants. You can do a lot things easier with RFID, than with keys. Did you ever misplace car keys? With RFID you just need to be in a range of car's RFID module and car's unlocked.

However, security experts have warned against using tags in that manners because it is really easy to read data from it with almost every RFID reader.

Someone can approach you and scan your tag without your knowledge. Then copy content your card's content to writable tag. And he could drive your car, get in your house or/and even in your workplace.