Abstract: A method for processing blockchain data is applied to a terminal device provided with a trusted execution environment and includes: acquiring, from a blockchain, data to be verified of a target service, the data to be verified including circulation data generated during execution of the target service and recorded in the blockchain; determining, based on the target service, a relevant third-party authority for verifying authenticity of the data to be verified, and acquiring benchmark circulation data generated during the execution of the target service and recorded in the third-party authority; transferring the data to be verified and the benchmark circulation data to the trusted execution environment through a first trusted application on the terminal device; and determining whether the data to be verified meets a verification rule, and outputting a verification result of the data to be verified.

Abstract: A blockchain-based data processing method is applied to a terminal device provided with a trusted execution environment, and includes: acquiring a data upload request of a user, the data upload request including to-be-uploaded data to be uploaded to a blockchain; transferring, through a first trusted application for performing data upload processing on the terminal device, the to-be-uploaded data in the data upload request to the trusted execution environment of the terminal device, wherein the trusted execution environment is provided with a verification rule for performing data verification on the to-be-uploaded data of the first trusted application; determining, by using the trusted execution environment, whether the to-be-uploaded data complies with the verification rule; and if it is determined that the to-be-uploaded data complies with the verification rule, acquiring verified to-be-uploaded data from the trusted execution environment based on the first trusted application, and uploading the verified to

Abstract: The present invention provides a display panel, a display device, and a display panel manufacturing method. The display panel includes a first substrate, a second substrate, a conductive adhesive layer, and a polarizer. The second substrate is disposed on the first substrate. The conductive adhesive layer is disposed on the first substrate adjacent to the second substrate. The polarizer is disposed on the second substrate and the conductive adhesive layer. The display device includes the display panel.

Abstract: Embodiments of the present specification disclose trusted hardware-based identity management methods, apparatuses, and devices. One method comprising: determining personal identity information of a user of a trusted hardware; determining hardware identifier information of the trusted hardware; generating a decentralized identifier (DID) binding request based on the personal identity information and the hardware identifier information, wherein the DID binding request is configured to request to establish a corresponding relationship between a DID of the user and the trusted hardware; and sending the DID binding request to a decentralized identity service (DIS).

Abstract: One or more implementations of the present specification provide an invoice access method and apparatus based on a blockchain, and an electronic device. The method includes: receiving an access request initiated by an access user for a target invoice by using a client, the target invoice being encrypted and stored in the blockchain; determining, in response to the access request, whether the access user has an authority to access the target invoice; and in response to that the access user has the authority to access the target invoice, invoking decryption logic provided in a predetermined smart contract to decrypt ciphertext data of the target invoice stored in the blockchain, and returning decrypted plaintext data of the target invoice to the client.

Abstract: Embodiments of the present disclosure relate to a method, a device, and a computer program product for storing and providing a video. A method for storing a video is provided, including: acquiring frame storage information in a to-be-stored video, the frame storage information including information related to storage of a plurality of frames in the video; converting the video into a plurality of data blocks based on the frame storage information; and converting the frame storage information into a streaming media index file to characterize the video in association with the plurality of data blocks. Embodiments of the present disclosure further provide a method for providing a video.

Abstract: Embodiments of the present specification disclose trusted data transmission methods, apparatuses, and devices. One method comprising: identifying a data use request of a data requestor; identifying authorization information of a data owner; generating a data use authorization claim based on the authorization information, wherein the data use authorization claim indicates that the data owner authorizes the data requestor to use data; obtaining initial data based on the data use authorization claim; verifying the initial data to obtain target data that is successfully verified, wherein the target data comprises a data validity claim indicating a validity of the target data; and sending the target data to the data requestor.

Abstract: Embodiments of the present specification disclose data acquisition methods, apparatuses, and devices related to blockchain technologies. One method comprising: publishing, as a published description, a description of target data stored in a trusted device of a data owner; in response to the published description, receiving a data acquisition request from a data requestor for the target data wherein the data acquisition request is configured to retrieve the target data from a first resource; sending the data acquisition request to the data owner; receiving first confirmation information from the data owner; identifying the target data from the trusted device based on the first confirmation information; and sending the target data to the data requestor.

Abstract: Embodiments of the present specification disclose data processing methods, apparatuses, and devices. A method can include: obtaining data use authorization information sent by a data requester; verifying the data use authorization information; in response to successfully verifying the data use authorization information, sending data authorized to be accessed by the data use authorization information to the data requester, wherein the data is obtained from a trusted institution and is stored in trusted hardware; and storing, on a blockchain associated with a blockchain network, a data sending record for the data.

Abstract: Embodiments of the present specification disclose data processing methods, apparatuses, devices, and media. One method includes the following: receiving a data use request; determining data to be used based on the data use request; determining one or more approvers of the data to be used; sending an approval instruction to the one or more approvers, wherein the approval instruction instructs the one or more approvers to approve the data use request; receiving feedback data from the one or more approvers; and determining that the data use request is approved if the feedback data satisfies a predetermined condition.

Abstract: Embodiments of the present specification disclose matching methods, apparatuses, and devices based on trusted asset data. One method comprises: analyzing trusted asset data of a first entity to obtain asset description information of the first entity, wherein the trusted asset data is stored on a trusted device; obtaining service information of a plurality of second entities; determining target service information that matches the first entity based on the asset description information and the service information; and sending the target service information to the first entity.

Abstract: Embodiments of the present specification disclose methods, apparatuses, and devices for transferring data assets based on a blockchain. One method includes: obtaining usage demand information of a data requestor for using original data, wherein the usage demand information indicates a demand of the data requestor for performing computations based on the original data; sending a usage authorization request for the original data to a data owner of the original data based on a decentralized identifier (DID) corresponding to the original data; receiving confirmation information of the usage authorization request from the data owner; processing the original data based on the usage demand information to obtain a processing result; transmitting the processing result to the data requestor; and generating a verifiable claim (VC) for recording usage information of the original data.

Abstract: Embodiments of the present specification disclose data processing methods, apparatuses, and devices. One method comprises: obtaining an acquisition request for target data of a data owner; determining a trusted application (TAPP) for generating the target data based on decentralized identifier document (DID Doc) information of the data owner in response to the acquisition request; sending, to the TAPP, a target data generation request to use the TAPP to process data of the data owner obtained from a trusted institution; and receiving a processing result from the TAPP in response to the target data generation request.

Abstract: Embodiments of the present specification disclose data authorization information acquisition methods, apparatuses, and devices. One method comprises: receiving, from a data requestor and for data, a data use permission application; determining, based on the data use permission application, an approver, wherein the approver is an owner of the data; sending the data use permission application to the approver; receiving acknowledgement information of the approver for receiving the data use permission application; generating data authorization information based on the acknowledgement information; and sending the data authorization information to the data requestor.

Abstract: Implementations of the present specification provide methods, apparatuses, and electronic devices for resource allocation based on blockchain. The blockchain stores a mapping relationship between a digital digest of an invoice and a resource allocation state corresponding to the invoice. The method includes: receiving a target transaction submitted by a client to participate in resource allocation based on a target invoice; in response to the target transaction, calculating a digital digest of the target invoice, and querying a resource allocation state stored in the blockchain and corresponding to the digital digest; and if the detected resource allocation state is an unallocated state, invoking resource allocation logic declared in a smart contract published in the blockchain, to allocate resources to the client from a predetermined resource pool based on a predetermined allocation rule, and returning a resource allocation result to the client.

Abstract: One or more implementations of the present specification provide an invoice access method and apparatus based on a blockchain, and an electronic device. The method includes: receiving an access request initiated by an access user for a target invoice by using a client, the target invoice being encrypted and stored in the blockchain; determining, in response to the access request, whether the access user has an authority to access the target invoice; and in response to that the access user has the authority to access the target invoice, invoking decryption logic provided in a predetermined smart contract to decrypt ciphertext data of the target invoice stored in the blockchain, and returning decrypted plaintext data of the target invoice to the client.

Abstract: Methods and compositions for the use of CRISPR/Cas9 technology for treating RP1 mutation-associated autosomal dominant Retinitis Pigmentosa (adRP).

Abstract: Embodiments of the present disclosure relate to a method, a device, and a computer program product for managing virtual machine upgrade. Provided is a method for managing virtual machine upgrade, including: determining, based on a received upgrade file for a virtual machine, a state of the virtual machine; and controlling, based on determining that the state indicates the virtual machine not being accessible via a network, installation of the upgrade file on the virtual machine via a virtual machine agent or a virtual machine manager, the virtual machine agent being capable of modifying a virtual disk of the virtual machine. Through the embodiments of the present disclosure, the installation of the upgrade file on the virtual machine can be realized when the virtual machine is not accessible via the network, whilst simplifying the virtual machine configuration and reducing the network bandwidth occupancy.

Abstract: Embodiments of the present disclosure relate to a method for data backup. The method includes obtaining an attribute value associated with a backup task to be run, the backup task being used for backing up data on a client terminal to a server through a network, the attribute value including a value of at least one of an attribute of the client terminal, an attribute of the server, and an attribute of the network; determining, based on the attribute value, the number of threads to be used to perform the backup task on the client terminal; and causing the client terminal to perform the backup task using the number of threads to back up the data.

Abstract: A microfluidic chip, a liquid sample detection device and a liquid sample detection method are provided. The microfluidic chip includes: a liquid inlet; a waste tank; an accommodating chamber respectively communicated with the liquid inlet and the waste tank at two ends of the accommodating chamber; and at least one giant magnetoresistance structure attached to a wall of the accommodating chamber and having a marker attached thereto. The giant magnetoresistance structure is configured to be attached with magnetic bead particles combined with a to-be-detected object in a liquid sample through a combination of the to-be-detected object and the marker.