For me: what's involved in getting rid of/cutting the card vs. the implanted chip. Knowing that rfid chips may be and are used not only for advertised transact

For me: what's involved in getting rid of/cutting the card vs. the implanted chip. Knowing that rfid chips may be and are used not only for advertised transactions but also for tracking (Google around for unauthorized fasttrack readers), I'd like to be able to leave the chip at home.