X2 Blog
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People keep selling my old X2 so here its free.
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About X2 emv software
After 5 years we become number one with our emv software. We are here to provide you the best service with our products.
New is our ARQC script and the NFC app. After payment you can download the software with a step by step guide.
What is ARQC
Each EMV transaction request is supposed to contain ARQC, which is a cryptogram generated from the transaction data. In the context of EMV, a cryptogram can be thought of as a digital signature on the financial transaction. A valid, verifiable cryptogram tells you two things:
- the financial message originated from the source that it claims to be from
- the contents of the message have not been altered
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