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(part 1 of 2)
Linear 2D bar code Magnetic
bar code stripe
Mean transaction speed (in seconds) 2.3 3.8 6.1
Lifecycle costs (in millions of dollars)
Small site $1.07
Large site $1.47
Failure rates 0.04%
Users denied access 0.00% 12.50% 9.40%
/said card didn't work
(part 2 of 2)
Smart card Optical stripe
Mean …