With ATM/credit card skimmers so prevalent I thought I would give my $0.02 on the good, the bad and the ugly as far as magnetic stripes are concerned.
First, credit cards now have RFID chips inside, so that technology is now serving as a second authentication method. However, RFIDs can be spoofed as well, though this is not as prevalent. At least not YET!
Second, some have suggested/advocated bar codes. This is not cost effective due to the need for additional infrastructure. And, the same vulnerabilities exist as with magnetic strips.
So, magnetic strips are not fool proof, but neither are the alternatives.
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