Abstract: An electronic device constituting a block node included in a blockchain network is provided. The method for operating an electronic device includes, in response to a request for recovery of loss of data stored in a memory, requesting user node information relating to a user of the electronic device from an external device through a communication circuit, receiving the user node information acquired based on node identification information stored in the external device, requesting block data associated with the user from the external device, based on the user node information, acquiring at least one block detected based on the node information, among the entire ledger, from the external device through the communication circuit, and storing the at least one acquired block in the memory.

Abstract: An electronic device is provided. The electronic device includes a display, a memory storing instructions, and a processor operatively connected to the display and the memory, and the processor may be configured to execute the instructions so as to further cause the electronic device to if data provided in a predetermined format is recorded in a memory, identify validity of a first block chain address indicated by the data, if the validity of the first block chain address is identified, identify at least one second block chain address capable of performing a transaction with the first block chain address among at least one block chain address of a user of the electronic device, and display, on the display, a user interface including the first block chain address and the at least one second block chain address.

Abstract: A three-dimensional (3D) modeling method may include: receiving an image of a fabric and information associated with the fabric from a user; performing correction on the image of the fabric; and generating 3D images of a plurality of fabric products using the fabric based on the corrected image of the fabric and the received information associated with the fabric.

Abstract: A method for providing a three-dimensional (3D) image may include: receiving information associated with a product to which a fabric is to be applied from a user; receiving spatial information associated with a space where the product is to be placed; generating a 3D modeling image including the fabric applied to the product based on the spatial information and the information associated with the product; and displaying the 3D modeling image.

Abstract: An electronic device is provided. The electronic device includes a display, and a processor configured to generate at least one hierarchy deterministic path, obtain at least one public key using a root seed and the at least one hierarchy deterministic path, obtain a blockchain address for a blockchain account from the at least one public key, obtain information about the blockchain address from a blockchain network based on the blockchain address, the information about the blockchain address including information about a balance of the blockchain account, and display at least part of the information about the blockchain address through the display, based on the information about the balance of the blockchain account.

Abstract: An electronic device is provided. The electronic device includes a communication circuit configured to communicate, at least one processor operatively connected to the communication circuit, and a memory operatively connected to the at least one processor, wherein the memory may store instructions, when executed, causing the at least one processor to request a management server to encrypt a push key received from a push server, using the communication circuit, in response to the request, receive the encrypted push key from the management server, generate at least one transaction based on the encrypted push key, and transmit the transaction to a blockchain network.

Abstract: An electronic device constituting a block node included in a blockchain network is provided. The method for operating an electronic device includes, in response to a request for recovery of loss of data stored in a memory, requesting user node information relating to a user of the electronic device from an external device through a communication circuit, receiving the user node information acquired based on node identification information stored in the external device, requesting block data associated with the user from the external device, based on the user node information, acquiring at least one block detected based on the node information, among the entire ledger, from the external device through the communication circuit, and storing the at least one acquired block in the memory.

Abstract: According to an embodiment of the disclosure, an electronic device configuring a first block node included in a blockchain network may store a partial ledger including a part of a full ledger regarding the blockchain network, may determine whether data necessary for executing a first smart contract regarding a transaction requested to be performed is stored in a first database, based on a result of the determining, may acquire node information including information regarding at least one block node that stores the data from the third block node through a communication circuit, and may acquire the data from the second block node or the third block node, based on the node information, and may execute the first smart contract.

Abstract: An electronic device is provided. The electronic device includes a communication module, a memory storing instructions, and at least one processor operably connected to the communication module and the memory, wherein the at least one processor is, by executing the instructions, configured to receive a request for execution of an application programming interface (API) from an application while driving the application, identify a policy for the execution-requested API based on data received from a decentralized network through the communication module, and determine whether to execute the execution-requested API, based on the identified policy for the API.

Abstract: An electronic device is provided. The electronic device includes a display, a memory storing instructions, and a processor operatively connected to the display and the memory, and the processor may be configured to execute the instructions so as to further cause the electronic device to if data provided in a predetermined format is recorded in a memory, identify validity of a first block chain address indicated by the data, if the validity of the first block chain address is identified, identify at least one second block chain address capable of performing a transaction with the first block chain address among at least one block chain address of a user of the electronic device, and display, on the display, a user interface including the first block chain address and the at least one second block chain address.

Abstract: An electronic device is provided. The electronic device includes a communication module, a memory storing instructions, and at least one processor operably connected to the communication module and the memory, wherein the at least one processor is, by executing the instructions, configured to receive a request for execution of an application programming interface (API) from an application while driving the application, identify a policy for the execution-requested API based on data received from a decentralized network through the communication module, and determine whether to execute the execution-requested API, based on the identified policy for the API.

Abstract: An electronic device is provided. The electronic device includes a display, and a processor configured to generate at least one hierarchy deterministic path, obtain at least one public key using a root seed and the at least one hierarchy deterministic path, obtain a blockchain address for a blockchain account from the at least one public key, obtain information about the blockchain address from a blockchain network based on the blockchain address, the information about the blockchain address including information about a balance of the blockchain account, and display at least part of the information about the blockchain address through the display, based on the information about the balance of the blockchain account.

Abstract: An electronic device is provided. The electronic device includes a communication circuit configured to communicate, at least one processor operatively connected to the communication circuit, and a memory operatively connected to the at least one processor, wherein the memory may store instructions, when executed, causing the at least one processor to request a management server to encrypt a push key received from a push server, using the communication circuit, in response to the request, receive the encrypted push key from the management server, generate at least one transaction based on the encrypted push key, and transmit the transaction to a blockchain network.