Provided is a meta-space-time product trading device based on a meta-space-time product coordinate generator. The device is a meta-space-time-based product trading device that transcends time and space, and comprises: a meta-space-time product coordinate generator which generates meta-space-time product coordinate information for a specific product in which coordinates corresponding to specific latitude information, longitude information, and height information are integrated into a single set of coordinates, and assigns the meta-space-time product coordinate information to the specific product; and a resale product information database which is linked to the meta-space-time product coordinate generator and in which information about the product assigned the meta-space-time product coordinate information is recorded. In addition, the device may comprise a purchase interface, which is linked to the resale product information database, for trading the meta-space-time product coordinate information or receiving, via the Internet, data for trading the product assigned the meta-space-time product coordinate information.

In some embodiments, a computer-implemented method of dynamically updating a rendering of a dynamic item is provided. A computing system receives a request to render a dynamic item. The computing system determines a difference between an initiating condition associated with a non-fungible token (NFT) for the dynamic item and a present state. The computing system generates a rendering of the dynamic item based on the difference between the initiating condition and the present state. The computing system causes the rendering to be presented.

A cryptographic digital asset (CDA) marketplace for monitoring a lifecycle item through an item lifecycle leverages data provided to a compliance authority. A CDA is created based on an identifier associated with the lifecycle item used to report lifecycle item information to the compliance authority. The CDA is recorded in a digital ledger and is presented for sale through an online marketplace. After sale, a final disposition of the lifecycle item reported to the compliance authority is received. This final disposition represents one of (a) a predetermined successful completion event or (b) an unsuccessful completion event, and is verifiable using the information reported to the compliance authority. The CDA is updated in the digital ledger, and when the final disposition is associated with the predetermined successful completion event, distribution of funds is initiated directly or indirectly from the operator account to the user account for a predetermined redemption value.

Methods and systems are described herein for performing a cold start operation of a system for acquiring non-fungible tokens (NFTs) using on-chain data. In particular, a user feed initialization system may receive an on-chain address associated with a cryptography-based storage application (e.g., an address associated with a crypto wallet of a user) and determine, based on the on-chain address, NFTs that the user's cryptography-based storage application controls (e.g., NFTs that the user owns). The user feed initialization system may use on-chain data associated with the NFTs (e.g., via interrogating the on-chain programs associated with the NFTs that the user owns) to identify (e.g., via a machine learning model) other NFTs that the user may desire to acquire.

The present disclosure discloses a system and a method for tokenization of hydrogen-based low-carbon fuels (LCF) and contracts. The system comprises a server, one or more user devices, a database and a communication network. The server is configured to receive a request from a user using the user device for registration on a listing and trading platform. Further, the server is configured to generate tokens for one or more items corresponding to LCF molecules from inventory of the user for trading in market via the listing and trading platform. The server is further configured to store ownership of the tokens in the database when the transaction for the trade of the token is completed. The present disclosure is advantageous in terms of providing a safe, secure, transparent and verifiable system for tokenization of the LCF molecules.

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for remotely modifying cloud-based client applications. The method can include: receiving a first request from a first client device of a user to initiate an interactive session with a cloud-based client application; reserving, in response to the first request, an application engine for executing the cloud-based client application remotely from the first client device; receiving a second request from the first client device to modify the cloud-based client application executing in the application engine using one or more software tools, wherein the one or more software tools are configured to execute remotely from the first client device; modifying the cloud-based client application in the application engine using the one or more software tools; and providing media data associated with the modified cloud-based client application to the first user via a display application on the first client device.

Proposed is a method for ticketing based on decentralized identifiers. The method may include uploading a decentralized identification (DID) and a DID document to a verifiable data registry) to register a DID by a user device. The method may also include requesting issuance of a verifiable credential (VC) for a purchased ticket by transmitting the DID by the user device, obtaining a DID document from the VDR through the DID by an issuer device. The method may further include authenticating the ownership of the DID according to an authentication method included in the DID document through interaction with the user device by the issuer device. The method may further include issuing a verifiable credential corresponding to the DID to the user device in response to the ownership of the DID being successfully authenticated by the issuer device.