FIELD: computer equipment.
SUBSTANCE: invention relates to a method and device for accessing a transaction. Method of transaction includes: providing physical contact of access device with user device; reception of authentication data by the access device from the user device for the transaction; storing authentication data by an access device; providing an access device with possibility of extracting a user device from an access device before a message with an authorization response for a transaction will be received from the authorization subject computer; generating, by the access device, a message with an authorization request for the transaction; transmission by an access device of a message with an authorization request to the authorization subject computer and reception by the access device of the message with an authorization response for the transaction from the authorization subject computer, when user device is physically separated from access device.
EFFECT: reduced time of contact of user device with access device, so that user device can be removed earlier from access device.
20 cl, 6 dwg
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