Abstract: A plant planting device and a plant planting method. The plant planting device includes at least one plant growing tank, the at least one plant growing tank includes a tank body and a tilt member which is obliquely provided at a bottom of the tank body, configured to support a plant and includes at least one flow guiding element provided on the tilt member; the at least one flow guiding element is arranged to guide liquid for growing the plant to flow from an end to an other end of the tilt member, and the end and the other end of the tilt member are relatively tilted with each other.

Abstract: A plant cultivation device and a plant cultivation method are disclosed. The plant cultivation device includes: a holder including at least one plant cultivation layer; a lighting unit disposed in the at least one plant cultivation layer to allow light emitted from the lighting unit to irradiate a plant cultivated in the plant cultivation layer; an illuminance detecting unit configured to detect an illuminance in the plant cultivation layer to obtain an illuminance measurement; and a control unit configured to obtain the illuminance measurement and adjust a lighting intensity of the lighting unit according to the illuminance measurement.

Abstract: A method for transferring a credit rights certificate is provided, including: generating a target account address according to a debtor account address and a creditor account address in a credit rights certificate transfer request, the target account address being a temporary account address used for storing a credit rights certificate and based on a multi-digital-signature process; transferring a credit rights certificate corresponding to the credit rights certificate transfer request from the debtor account address to the target account address; and transferring the credit rights certificate from the target account address to the creditor account address based on a confirmation instruction from the creditor account address.

Abstract: A service processing method, apparatus, and storage medium of a blockchain system are provided. The service processing method includes obtaining authentication information of a service participant; determining whether data in the authentication information of the service participant is updated; generating, based on the data in the authentication information of the service participant being updated, a notification message according to the updated data; and transmitting the notification message to a service processing node subnetwork, the notification message instructing one or more service processing nodes in the service processing node subnetwork to process a service request according to updated authentication information of the service participant.

Abstract: A data processing method, an apparatus, a device, and a medium in a blockchain fund settlement system are provided. A data processing method in a blockchain fund settlement system, performed by at least one processor of a settlement institution terminal, includes: querying, on a blockchain, a settlement request that is to be processed by the settlement institution terminal between a fund settlement initiator and a fund settlement recipient, the settlement request being generated by an initiator terminal of the fund settlement initiator and recorded on the blockchain; receiving the settlement request based on the querying; and generating a settlement result of a settlement performed according to the settlement request, and recording the settlement result on the blockchain.

Abstract: A method for operating an electronic device is provided. The method includes: receiving a first resource transfer request, the first resource transfer request being used for requesting resource transfer associated with a target certificate of debt; performing verification on the first resource transfer request according to the target certificate of debt stored in a blockchain system; and performing, based on the first resource transfer request, the resource transfer associated with the target certificate of debt, in a case that the verification succeeds.

Abstract: Embodiments of this application disclose methods, systems, and devices for electronic note identifier allocation and electronic note generation. In one aspect, an electronic note identifier allocation method is performed by a processing node of a distributed computer system. The processing node receives an electronic note identifier application request initiated by a service node. The processing node generates an electronic note identifier set in response to the electronic note identifier application request. The processing node also synchronizes the electronic note identifier in the electronic note identifier set. After the synchronizing, the processing node further the electronic note identifier in the electronic note identifier set to the service node.

Abstract: Aspects of the disclosure provide methods and apparatuses for storing data. In some examples, an information processing apparatus that includes processing circuitry is provided. The processing circuitry is configured to receive data and determine a target blockchain based on an attribute associated with the data and blockchain correspondence information. The blockchain correspondence information indicates attributes associated with a plurality of blockchains. Further, the processing circuitry is configured to store a first block that is generated based on the received data in the target blockchain.

Abstract: This application provides a method for issuing a digital certificate performed by a digital certificate issuing center that includes a public-private key generation module and an authentication module. The method includes: receiving a public-private key request from a node in a blockchain network; generating a public key and a private key of the node by using the public-private key generation module, and transmitting the public and private keys to the node; receiving the public key of the node and registration information of the node, and authenticating the registration information by using the authentication module; and generating, in accordance with a determination that the authentication succeeds, a digital certificate of the node by using the authentication module, and transmitting the digital certificate to the node. The embodiments of this application can improve the probative value of an issued digital certificate, thereby improving the security of data exchange in a blockchain network.

Abstract: Aspects of the disclosure provide methods and apparatuses for storing service data. In some examples, an apparatus for storing service data includes processing circuitry. The processing circuitry receives service data of a user and determines, in a plurality of blockchains, a target blockchain according to a user attribute of the user. Based on the service data and an eigenvalue of a block header of a first block in the target blockchain, the processing circuitry generates a second block in the target blockchain. The first block is a previous block of the second block. The second block is used for recording the service data.

Abstract: An image sensor has an array of pixels configured in multiple blocks; each block coupled to a separate analog-to-digital converter (ADC) to provide digitized image data. The ADCs feed digitized images into an image RAM; and the image RAM feeds digitized images to an alignment buffer in a first pixel order. The alignment buffer provides digitized images to an image processor in a second pixel order different from the first pixel order. In an embodiment, the alignment buffer uses a multiport RAM. In another embodiment, the alignment buffer uses first and second alignment buffer RAMs, writing one alignment buffer RAM while reading the other alignment buffer RAM to provide image data to the image processor. In embodiments, the alignment buffer provides digitized images in an order selectable between a full resolution and a reduced resolution order, and selectable between a right-to-left and left-to-right order.

Abstract: A transaction data processing method includes: receiving a first transaction document from a device of a transaction initiator, the first transaction document being associated with identity labels of a plurality of transaction participants; separately performing identity authentication on the plurality of transaction participants according to the identity labels of the plurality of transaction participants, to obtain an identity authentication result.

Abstract: An image sensor has an array of pixels configured in multiple blocks; each block coupled to a separate analog-to-digital converter (ADC) to provide digitized image data. The ADCs feed digitized images into an image RAM; and the image RAM feeds digitized images to an alignment buffer in a first pixel order. The alignment buffer provides digitized images to an image processor in a second pixel order different from the first pixel order. In an embodiment, the alignment buffer uses a multiport RAM. In another embodiment, the alignment buffer uses first and second alignment buffer RAMs, writing one alignment buffer RAM while reading the other alignment buffer RAM to provide image data to the image processor. In embodiments, the alignment buffer provides digitized images in an order selectable between a full resolution and a reduced resolution order, and selectable between a right-to-left and left-to-right order.

Abstract: A bond-per-pixel-block image sensor has a pixel array including multiple pixel blocks with selection circuitry to couple signals to an ADC. The image sensor has an image RAM of DRAM superblocks, each superblock with multiple DRAM blocks each having tristate output driving an image RAM output bus, and data input from several of the ADCs. Each DRAM block has an address multiplexor coupled to read and write addresses. DRAM blocks of each superblock are written simultaneously with data wider than a width of the image RAM output bus. A method of capturing and processing images includes reading a first image frame from pixels of a pixel block through ADCs; writing digital pixel data for the first image frame in a first DRAM superblock; and reading pixel data into an alignment buffer. The method includes overlapping reading the first image frame with writing a second image frame into a second superblock.

Abstract: A data sharing method, server and storage medium including receiving a first part of a first key from a first client, the first key corresponding to encrypted data uploaded to a block of an information sharing system generating a first authorization code corresponding to the encrypted data; transmitting the first authorization code to the first client; based on receiving an access request from a second client for the encrypted data, obtaining a second authorization code and an incomplete key from the access request; based on the second authorization code being the same as the first authorization code and the second authorization code being valid, generating a second key according to the incomplete key and the first part of the first key corresponding to the encrypted data decrypting the encrypted data according to the second key to obtain the plaintext data; and transmitting, to the second client, the decrypted plaintext data.

Abstract: An apparatus including processing circuitry and a method are described. When receiving a cross-chain transaction request to transfer a resource from a first account to a second account, the processing circuitry is configured to generate a task corresponding to the first account. The task can indicate conditions for implementing events in transferring the resource. A first blockchain system provides services for the first account, and a second blockchain system different from the first blockchain system provides services for the second account. The processing circuitry transfers the resource to the second account based on the task when a first plurality of first nodes in the first blockchain system reaches a consensus on a generation event of the task and updates a task status of the task to being finished when a plurality of second nodes in the second blockchain system reaches a consensus on a transfer event of the resource.

Abstract: Aspects of the disclosure provide methods and apparatuses for storing service data. In some examples, an apparatus for storing service data includes processing circuitry. The processing circuitry receives service data of a user and determines, in a plurality of blockchains, a target blockchain according to a user attribute of the user. Based on the service data and an eigenvalue of a block header of a first block in the target blockchain, the processing circuitry generates a second block in the target blockchain. The first block is a previous block of the second block. The second block is used for recording the service data.

Abstract: A plant water culture frame and a plant growth ensuring system are disclosed. The plant water culture frame includes a frame body provided with at least one water culture space layer; at least one culture tray provided in the water culture space and used for containing nutrient solution; a plant-fixed basket support component provided in the culture tray and supporting a plant-fixed basket to make it floating with the nutrient solution; and at least one plant-fixed basket provided on the plant-fixed basket support component. The embodiments of the present disclosure effectively avoid having the plant root system submerged when the liquid level of the nutrient solution is too high.