Abstract: Disclosed is a composite for forming a coacervate interfacial film. The composite for forming the coacervate interfacial film contains a cationic hectorite nanoplate-shaped particle structure containing a hectorite nanoplate-shaped particle and a cationic surfactant coupled to a surface of the hectorite nanoplate-shaped particle, and an anionic cellulose nanofibril containing an anionic functional group in at least a portion thereof, in which the composite may form the coacervate interfacial film at an interface of an oil phase and a water phase through electrostatic interaction between the cationic surfactant and the anionic functional group.

Abstract: Provided is a block generation method in blockchain-based system. The block generation method comprises calculating, by a first blockchain node among the plurality of blockchain nodes, a first node score, propagating, by the first blockchain node, the first node score to the plurality of blockchain nodes, receiving, by the first blockchain node, a delegation of a block generation authority from a second blockchain node among the plurality of blockchain nodes, the second blockchain node having received the first node score and initiating, by the first blockchain node, generation of a new block based on a determination that a block generation node condition, that is based on the block generation authority, has been satisfied.

Abstract: A digital identity management method based on a blockchain-based technology is provided. In some exemplary embodiments, the method comprises: performing a first process for storing identity identification information of a subscription request in a first block of a blockchain in response to the subscription request from a service request device and then obtaining a block hash value of the first block as a result of performing the first process, performing a second process for storing the block hash value of the first block and data of authentication information of the subscription request in a second block of the blockchain and then obtaining a block hash value of the second block as a result of performing the second process, and inserting the block hash value of the second block into a digital identity data structure as a result of processing the subscription request.

Abstract: Provided is a block generation method in blockchain-based system. The block generation method comprises calculating, by a first blockchain node among the plurality of blockchain nodes, a first node score, propagating, by the first blockchain node, the first node score to the plurality of blockchain nodes, receiving, by the first blockchain node, a delegation of a block generation authority from a second blockchain node among the plurality of blockchain nodes, the second blockchain node having received the first node score and initiating, by the first blockchain node, generation of a new block based on a determination that a block generation node condition, that is based on the block generation authority, has been satisfied.

Abstract: A digital identity management method based on a blockchain-based technology is provided. In some exemplary embodiments, the method comprises: performing a first process for storing identity identification information of a subscription request in a first block of a blockchain in response to the subscription request from a service request device and then obtaining a block hash value of the first block as a result of performing the first process, performing a second process for storing the block hash value of the first block and data of authentication information of the subscription request in a second block of the blockchain and then obtaining a block hash value of the second block as a result of performing the second process, and inserting the block hash value of the second block into a digital identity data structure as a result of processing the subscription request.

Abstract: Provided is a blockchain-based electronic currency automatic charging method.