Associate Professor of the Department of Intelligent Information Security Systems of RTU MIREA Evgeniy Kashkin said,
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""You cannot store bank cards in a casesmartphone" - This is perhaps the most widespread urban legend in recent times in the field of personal finance. Allegedly, the magnetic stripe on the card can be demagnetized by the influence of the phone. Fortunately, this is really nothing more than speculation. Of course, the card may stop working, but this requires exposure to a very strong magnet,” the expert told Lente.ru.
According to him, electromagnetic radiationmodern smartphones are not enough for such an effect. In addition, most modern bank cards are equipped with chips, and the magnetic strip serves as a safety net.
What should not be done with a bank card is to bend it, wet it, store it at a temperature above plus 40 and below minus 20 degrees, leave it under direct sunlight.