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|
 Advantages |
| Since veins are under the skin,
its authentication information is hardly corrupted. Therefore,
it is safe to obtain and use the biometric information. |
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| It is difficult to replicate
veins because they are not seen with the naked eye. |
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| Disadvantages |
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| It is not yet fully proved that
biometric authentication information is permanent and unique. |
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| The equipment using an infrared
camera is expensive, and its size is huge |
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