Abstract: Provided is an information processing device including a registration data generation unit (112) that generates registration data that is registered in a P2P database (120) and that includes encrypted identification information generated through encryption using key information of a subject related to the registration data, the encrypted identification information being used to identify the subject and being different for each registration data.

Abstract: There is provided an information processing apparatus including a processor that obtains, from a first P2P database, evaluation information for evaluating learning of a user, which is obtained by an acquisition device, and performs evaluation on learning performed by the user on the basis of the evaluation information.

Abstract: There is provided an information processing apparatus including a processor that generates a plurality of pieces of authority information for obtaining user information classified into a plurality of categories, in which the processor generates the authority information to correspond to each of a plurality of the categories.

Abstract: It is made possible to maintain confidentiality of data in a service using a public-type blockchain.

Abstract: There is provided an apparatus which can improve user-friendliness of a description screen for assembly of parts in creation of a robot. The apparatus performs display control to separately display a plurality of parts for creation of a robot, display a line connecting joint surfaces of the respective parts, and display animation in which the respective parts are jointed in accordance with the line connecting the joint surfaces in assembly order.

Abstract: To enable a user himself/herself who is the owner of management data of a P2P database to disclose data while maintaining authenticity of the data. An information processing apparatus is provided including a creation unit that creates public data by using management data of a P2P database, and a registration control unit that controls registration of the public data to the P2P database, on the basis of first identification information that uniquely identifies the management data.

Abstract: There is provided an information processing apparatus including a processor that determines, on the basis of a predetermined condition, a transaction between a first virtual asset granted on the basis of a learning unit being certified to a user being educated and a second virtual asset different from the first virtual asset.

Abstract: To be able to deal with more request information without increasing the load on a peer-to-peer database system. An information processing apparatus is provided including an acquisition unit that acquires data provided from a P2P database on the basis of request information, and a storage control unit that controls storage of the data performed by a cache storage unit.

Abstract: Provided is an information processing device including a registration data generation unit (112) that generates registration data that is registered in a P2P database (120) and that includes encrypted identification information generated through encryption using key information of a subject related to the registration data, the encrypted identification information being used to identify the subject and being different for each registration data.

Abstract: Provided is an information processing device including: an association processing unit (121b) that, on the basis of first data to be registered in a P2P database (120), controls association of the first data with second data that is to be registered in the P2P database and that is different from the first data.

Abstract: Provided is an information processing apparatus including a processing unit configured to evaluate an evaluation target on a basis of target data regarding the evaluation target acquired from blockchain data circulated on a peer-to-peer network.

Abstract: [Problem] It is possible to confirm whether a registration destination of data is a peer-to-peer type database or a storage unit other than the peer-to-peer type database more appropriately. [Solution] There is provided an information processing apparatus including a requesting unit configured to request information regarding whether a registration destination of data is a P2P database or a storage unit other than the P2P database, to a plurality of targets which is different from each other, and an output control unit configured to control output of information obtained as a result of the request to a user.

Abstract: There is provided an information processing apparatus including a processor that certifies a first learning unit of a learner on the basis of information indicating knowledge of an educator who educates the learner and a predetermined condition.

Abstract: [Problem] It becomes possible to control access to a P2P database more appropriately. [Solution] Provided is an information processing apparatus including an access control unit configured to control new access to a P2P database by arbitrary entity on a basis of history information regarding access to the P2P database by the entity.

Abstract: To be able to deal with more request information without increasing the load on a peer-to-peer database system. An information processing apparatus is provided including an acquisition unit that acquires data provided from a P2P database on the basis of request information, and a storage control unit that controls storage of the data performed by a cache storage unit.

Abstract: To enable a user himself/herself who is the owner of management data of a P2P database to disclose data while maintaining authenticity of the data. An information processing apparatus is provided including a creation unit that creates public data by using management data of a P2P database, and a registration control unit that controls registration of the public data to the P2P database, on the basis of first identification information that uniquely identifies the management data.

Abstract: [Problem] It is possible to calculate reliability of a P2P database more appropriately. [Solution] There is provided an information processing apparatus including a reliability calculating unit configured to calculate reliability of a P2P database on a basis of information regarding the P2P database.

Abstract: [Object] Provided is an information processing device that can dynamically determine point allocation of a question and provide a user with enjoyment of receiving a test. [Solution] Provided is the information processing device including a control unit configured to determine point allocation of each question in a test on a basis of answer results of the test made by a plurality of users during a test time, calculate a score of a predetermined user on a basis of the point allocation in response to a request of the predetermined user, and generate information for disclosing the score of the predetermined user.

Abstract: To enable a device not including a P2P database to confirm authenticity of arbitrary data on the basis of management data of the P2P database. Provided is an information processing device including an acquisition unit configured to acquire information regarding authenticity of arbitrary data, the information being generated on the basis of management data of a P2P database, and a provision unit configured to provide the information regarding authenticity of arbitrary data to a device not including the P2P database.