Those users who already work with services of SWIFTNet (for example Equiry Link RTGS plus) can use available connection and the program interface for access both to the specified services and to FIN service. The main office is located in Brussels. The main office is located in Brussels. This system will allow the users working only with FIN to move to the category of those who already has access to SWIFTNet and is familiar with new technologies and products that considerably facilitates their connection to additional services of SWIFTNet in the future; Combination of SWIFTNet and SWIFTNet FIN also is a step on a way to reduction of complexity of means of operational processing (financial transactions) and movement towards their optimisation. IP and PKI represent de facto the industrial standard for technologies of the organisation of safe connections. To large corporations besides traditional advantages of SWIFT (reliability speed safety and financial responsibility) usage of the given service allows to apply a principle of "a unite window at work with several banks.