Because passive RFID tags contain a battery, they cannot be embedded in skin.

Name: Because passive RFID tags contain a battery, they cannot be embedded in skin.
Brand: Quizplus
Rating: 4.9 (37 reviews)

Question

Quizplus · Accepted Answer

Passive RFID tags do not contain a battery and rely on the electromagnetic energy from the RFID reader to power the tag, so it is possible for them to be embedded in skin. However, the use of RFID implants in humans is a controversial topic and is illegal in some countries.

Because Passive RFID Tags Contain a Battery, They Cannot Be