The crypto currency is said to be encrypted when the exchanges depend on encryption processes to which the users of that currency adhere. The purpose of these processes is to validate payment transactions as transactions where the debtor is identifiable, where he or she owns the units of account that he / she will use to pay, where these account units are available to the account. and where the debtor addresses them to a creditor and to one. The cryptocurrency system substitutes for them encryption modes intended to protect the security of the ’messages’ that are the operations as regards their emission and reception as their transmitters and receivers; these modes go even further in the particular context of currencies supported on the blockchain (which is the case of the vast majority of encrypted currencies). Not only do they implement processes for identifying people and transactions, but also identifying each unit of account used. 81842
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