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Many people are afraid to send their credit card info.
If we go back 10 years we realize that the same issue was with fax security . Today very few people are concerned about some one tapping into the fax transmission and stealing their C.C numbers . Fax transmission is not encrypted . Your credit card number when transmitted via secure server is encrypted .What this means is that when you enter your credit card number encryption software scrambles it and as a result it becomes a different number. In order to retrieve original number you need a key - it is a number that when added,subtracted ,divided or multiplied it will restore original credit card number.