designer's own words:In 2020, Apart from the maturely developed network for public communication, to provide higher security & unique service, corporation like bank or banking organizations shall owned independent communication networks for Mobile Banking Service. Scale of the private network shall be similar or larger than the 3G network for countries in 2010. Banking network shall be built with independent facilities & operation systems, which are completely independent from & disconnected with the public communication networks, like Internet, Mobile Phone. Exclusive mobile banking device must be use for accessing the network. Developing & selling of entire networks can be the new business direction for network technology companies, when the market of network service provider shall be saturated in 2020. Use of Independent Network can be the best solution for the security issue as all activities of all users are under supervision within the private system.