Abstract: There is provided a method capable of continuing to execute consensus building (consensus) without stopping the blockchain, even in a situation where many nodes are down or disconnected. There is provided a method for configuring a blockchain network, comprising a step of managing nodes of detecting, by computers, whether a certain number of nodes among nodes constituting a virtual network, are disconnected from the virtual network, and if that is detected, migrating the virtual network to a Voter Ring virtual network constituted only by the Voter nodes.

Abstract: There is provided a method capable of continuing to execute consensus building (consensus) even when a predetermined node ceased to operate. There is provided a method comprising a penalty step of monitoring, by computers, whether or not a predetermined node, among nodes constituting a virtual network, was able to perform block signing, and deleting a node that was not involved in block signing for certain threshold consecutive times, from the nodes constituting the virtual network.

Abstract: There is provided a request processing system for receiving a request sent from the first apparatus at the second apparatus and executing the request, wherein the first apparatus comprises: means for writing the generated first apparatus-identifying specific data into a predetermined address on a communication network; and means for sending a request with a signature, signed with the secret key, and the public key to the second apparatus, wherein the second apparatus comprises: means for reading the first apparatus-identifying specific data; means for authenticating the first apparatus by generating, from the public key, public key data enable to uniquely identify the public key; and determining whether this public key is included in the downloaded first apparatus-identifying specific data as well as, based on the determination, validating a signature of the request with a signature based on the public key received from the first apparatus and the unlocking cryptographic data included in the downloaded first

Abstract: There is provided a request processing system for receiving a request sent from the first apparatus at the second apparatus and executing the request, wherein the first apparatus comprises: means for writing the generated first apparatus-identifying specific data into a predetermined address on a communication network; and means for sending a request with a signature, signed with the secret key, and the public key to the second apparatus, wherein the second apparatus comprises: means for reading the first apparatus-identifying specific data; means for authenticating the first apparatus by generating, from the public key, public key data enable to uniquely identify the public key; and determining whether this public key is included in the downloaded first apparatus-identifying specific data as well as, based on the determination, validating a signature of the request with a signature based on the public key received from the first apparatus and the unlocking cryptographic data included in the downloaded first

Abstract: A system for managing connection from a smartphone 1 provided to a child to specific connection destinations via the Internet, comprising: a filter server 9 for restricting packet transmission to the Internet based on a destination of the packet and a source IP of the smartphone 1; a VPN server 6 for establishing a tunnel connection 27 between the VPN server 6 and the smartphone 1, wherein the tunnel connection 27 passes all communication traffic from the smartphone 1, and also transmitting to the filter server the packet which passed through the tunnel connection 27; and an API server 8 connected to the VPN server 6 for confirming existence of the tunnel connection 27 at predetermined timing and, when lack of the existence is determined, blocking the Internet connection itself of the information communication device.

Abstract: [Problem] The purpose of this invention is to provide a system and a method that enable settings required in communication devices such as smart phones. [Solution] Provided is a communication device setting system 14 for making setting of a communication device 4 mounting a SIM card 3, the system being configured to make a computer execute: (1) a setting data receiving step S1 for receiving, from the communication device 4 mounting the SIM card 3, a request of setting data for setting the communication device; (2) a user attribute specifying step S2 for specifying, on the basis of unique information of the SIM card 3 contained in the request, attribute information of a user of the SIM card 3; (3) a setting data inference step S3 for applying the specified attribute information of the user to an inference model to determine the setting data of the communication device 4; and (4) a setting data transmission step S4 for transmitting the determined setting data to the communication device 4.

Abstract: A subject photographing apparatus and method with which an inappropriate image photographed by a user cannot be uploaded to an external network includes: an image photographing/videographing section which is activated by a user operating a shutter button, for temporarily storing, in a memory, a state of a subject photographed; an inappropriate image inference/determination section for retrieving the state of the subject from the memory and determining an inappropriate image based on inappropriate image model data; an inappropriate image processing section for not storing the state of the subject in an image storage area of a computer when the determination section determines that the image of the subject is the inappropriate image; and an appropriate image processing section for storing the state of the subject in the image storage area of the computer when the determination section determines that the image of the subject is not an inappropriate image.

Abstract: A system for managing connection from a smartphone 1 provided to a child to specific connection destinations via the Internet, comprising: a filter server 9 for restricting packet transmission to the Internet based on a destination of the packet and a source IP of the smartphone 1; a VPN server 6 for establishing a tunnel connection 27 between the VPN server 6 and the smartphone 1, wherein the tunnel connection 27 passes all communication traffic from the smartphone 1, and also transmitting to the filter server the packet which passed through the tunnel connection 27; and an API server 8 connected to the VPN server 6 for confirming existence of the tunnel connection 27 at predetermined timing and, when lack of the existence is determined, blocking the Internet connection itself of the information communication device.

Abstract: There is provided an app 14 installed in a mobile information terminal with a SIM (Subscriber Identity Module) 3 implemented therein, for controlling data communication, terminal functions and the like of the mobile information terminal 4, wherein the SIM is provided by a telecommunications carrier, wherein the app causes the mobile information terminal 4 to send an existence signal, indicating that the app is being executed, to a communication control server 14 of the telecommunications carrier in response to a predetermined existence confirmation command, and wherein if the data communication control server 14 does not receive the existence signal from the app 13 sent in response to the existence confirmation command, the data communication control server 14 sends a command to a mobile network connection controller 9 connected to the mobile information terminal 4 to stop data communication by the SIM.

Abstract: There is provided an app management software 16 for cooperating with a bandwidth control system 2 for dynamically changing a communication bandwidth of the mobile information terminal 3 for each type of application 3a which is installed on the mobile information terminal.

Abstract: There is provided an app management software 16 for cooperating with a bandwidth control system 2 for dynamically changing a communication bandwidth of the mobile information terminal 3 for each type of application 3a which is installed on the mobile information terminal.

Abstract: According to the present invention, there is provided a method for setting up a cloud account for a mobile operating system on a smartphone equipped with the mobile operating system, comprising the steps of: (1) connecting to a support service providing server by the smartphone, (2) authenticating the smartphone by the support service providing server; (3) remotely accessing the smartphone by the support service providing server to thereby obtain a cloud account from a cloud service providing server through the smartphone; and (4) performing identity validation for the cloud account by the support service providing server between the support service providing server and the cloud service providing server.

Abstract: There is provided an app management software 16 for cooperating with a bandwidth control system 2 for dynamically changing a communication bandwidth of the mobile information terminal 3 for each type of application 3a which is installed on the mobile information terminal.

Abstract: There is provided an app management software 16 for cooperating with a bandwidth control system 2 for dynamically changing a communication bandwidth of the mobile information terminal 3 for each type of application 3a which is installed on the mobile information terminal.

Abstract: There is provided an app management software 16 for cooperating with a bandwidth control system 2 for dynamically changing a communication bandwidth of the mobile information terminal 3 for each type of application 3a which is installed on the mobile information terminal.

Abstract: According to the present invention, there is provided a method for setting up a cloud account for a mobile operating system on a smartphone equipped with the mobile operating system, comprising the steps of: (1) connecting to a support service providing server by the smartphone, (2) authenticating the smartphone by the support service providing server; (3) remotely accessing the smartphone by the support service providing server to thereby obtain a cloud account from a cloud service providing server through the smartphone; and (4) performing identity validation for the cloud account by the support service providing server between the support service providing server and the cloud service providing server.

Abstract: An image shooting system capable of generating high-quality and high-definition images is provided through a camera even when a user of the camera has no knowledge on the camera's settings or photo-shooting techniques, or when the performance of the camera itself is low.

Abstract: There is provided an app management software 16 for cooperating with a band control system 2 for dynamically changing a communication band of the mobile information terminal 3 for each type of application 3a which is installed on the mobile information terminal.

Abstract: An image shooting system capable of generating high-quality and high-definition images is provided through a camera even when a user of the camera has no knowledge on the camera's settings or photo-shooting techniques, or when the performance of the camera itself is low.

Abstract: The purpose of the present invention is to provide an Internet connection system capable of performing bidirectional communications between a home network and the Internet by relatively simple means and enabling manufacturers of client-side home network appliances to find a unique added value. In order to attain the above object, according to a first primary aspect of the present invention, there is provided a method for connecting a client device to a server, comprising the steps of: (a) notifying a relay device of an IP address of the server; (b) establishing a TCP/IP session by a tunneling connection between the relay device and the server using the notified IP address; and (c) based on information of the relay device or the client device, grouping by the server a plurality of relay devices or client devices for each of which a tunneling connection with the server is established.