Abstract: A pixel circuit includes a photodiode configured to photo generate image charge in response to incident light, a floating diffusion coupled to receive the image charge from the photodiode, a transfer transistor coupled between the photodiode and the floating diffusion to transfer the image charge from the photodiode to the floating diffusion, a reset transistor coupled between a variable voltage source and the floating diffusion, wherein the reset transistor is configured to be switched in response to a reset control signal, and a lateral overflow integration capacitor (LOFIC) coupled between the variable voltage source and the floating diffusion. The variable voltage source is configured to output a high-voltage level during a high conversion gain (HCG) reset signal readout and an HCG image signal readout, and a mid-voltage level during a LOFIC image signal readout and a LOFIC reset signal readout.

Abstract: A novel bit storage circuit includes a first voltage supply line, a second voltage supply line, a bit line, a latch, a first switching transistor, and a blocking transistor. The latch includes an input and an output. The first switching transistor includes a first terminal, a second terminal, and a control terminal. The first switching transistor is operative to provide a conductive path and a non-conductive path between the bit line and the input of the latch responsive to a first control signal being asserted on the control terminal of the first switching transistor. The blocking transistor includes a control terminal and is operative to selectively provide a conductive path and a non-conductive path between the input of the latch and the second voltage supply line responsive to a second control signal. The blocking transistor facilitates the use of a single bit line.

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 pixel circuit includes a photodiode configured to photo generate image charge in response to incident light, a floating diffusion coupled to receive the image charge from the photodiode, a transfer transistor coupled between the photodiode and the floating diffusion to transfer the image charge from the photodiode to the floating diffusion, a reset transistor coupled between a variable voltage source and the floating diffusion, wherein the reset transistor is configured to be switched in response to a reset control signal, and a lateral overflow integration capacitor (LOFIC) coupled between the variable voltage source and the floating diffusion. The variable voltage source is configured to output a high-voltage level during a high conversion gain (HCG) reset signal readout and an HCG image signal readout, and a mid-voltage level during a LOFIC image signal readout and a LOFIC reset signal readout.

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 second blockchain system receives a first consensus message from a first blockchain system, the first blockchain system includes first nodes that provide services to at least a first account, and the second blockchain system includes second nodes that provide services to at least a second account. The first consensus message indicates a first plurality of the first nodes reaches a consensus for transferring a resource from the first account to the second account. The second blockchain system transfers the resource in the task to the second account. The transferring includes that a node in the second nodes adds the resource to the second account and generates a fourth block that records a completion of a transfer event. A second consensus message is transmitted from the second blockchain system to the first blockchain system in response to a second plurality of the second nodes completing the transfer event.

Abstract: A novel bit storage circuit includes a first voltage supply line, a second voltage supply line, a bit line, a latch, a first switching transistor, and a blocking transistor. The latch includes an input and an output. The first switching transistor includes a first terminal, a second terminal, and a control terminal. The first switching transistor is operative to provide a conductive path and a non-conductive path between the bit line and the input of the latch responsive to a first control signal being asserted on the control terminal of the first switching transistor. The blocking transistor includes a control terminal and is operative to selectively provide a conductive path and a non-conductive path between the input of the latch and the second voltage supply line responsive to a second control signal. The blocking transistor facilitates the use of a single bit line.

Abstract: A link detection method includes obtaining first service provider information from text that includes the first service provider information and a short link to be analyzed. At least one reference short link is obtained from a second service provider based on the first service provider information. A determination regarding the security of the short link to be analyzed is made based on a comparison between the short link to be analyzed and the at least one reference short link obtained from the second service provider.

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: 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: An example memory includes a plurality of storage units and bit lines distributed in an array in a storage area of the memory, where each of the storage unit includes a transistor and a magnetic tunnel junction (MTJ) element connected to the transistor. The MTJ element is disposed on a current transmission path between a source or a drain of the transistor and the bit line. The MTJ element includes a pinning layer, a reference layer, a tunneling layer, and a free layer that are stacked in sequence, and a magnetization direction of the pinning layer is parallel to a stacking direction of layers in the MTJ. The example memory further includes a first magnetic structure disposed on the current transmission path and in contact with the MTJ element. An included angle between a magnetization direction of the first magnetic structure and the magnetization direction of the pinning layer is (90°, 180°].

Abstract: An optical sensor includes a pixel array of pixel cells. Each pixel cell includes photodiodes to photogenerate charge in response to incident light and a source follower to generate an image data signal in response to the charge photogenerated from the photodiodes. An image readout circuit is coupled to the pixel cells to read out the image data signal generated from the source follower of at least one of the pixel cells of a row of the pixel array. An event driven circuit is coupled to the pixel cells to read out the event data signals generated in response to the charge from the photodiodes of another row of the pixel cells of the pixel array. The image readout circuit is coupled to read out the image data signal and the event driven circuit is coupled to read out the event data signals from pixel array simultaneously.

Abstract: A second blockchain system receives a first consensus message from a first blockchain system, the first blockchain system includes first nodes that provide services to at least a first account, and the second blockchain system includes second nodes that provide services to at least a second account. The first consensus message indicates a first plurality of the first nodes reaches a consensus for transferring a resource from the first account to the second account. The second blockchain system transfers the resource in the task to the second account. The transferring includes that a node in the second nodes adds the resource to the second account and generates a fourth block that records a completion of a transfer event. A second consensus message is transmitted from the second blockchain system to the first blockchain system in response to a second plurality of the second nodes completing the transfer event.

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: 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: 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 event driven sensor includes an arrangement of photodiodes including an inner portion laterally surrounded by an outer portion. An outer pixel cell circuit is coupled to generate an outer pixel value in response to photocurrent generated by the outer portion. The outer pixel value is a binned signal representative of an average value of brightness of incident light on the arrangement of photodiodes. An inner pixel cell circuit is coupled to the inner portion to generate an inner pixel value in response to photocurrent generated by from the inner portion. An event driven circuit is coupled to the outer pixel cell circuit and the inner pixel cell circuit. The event driven circuit is coupled to generate an output signal responsive to an inner brightness indicated by the inner pixel value relative to an outer brightness indicated by the outer pixel value.

Abstract: A link detection method includes obtaining first service provider information from text that includes the first service provider information and a short link to be analyzed. At least one reference short link is obtained from a second service provider based on the first service provider information. A determination regarding the security of the short link to be analyzed is made based on a comparison between the short link to be analyzed and the at least one reference short link obtained from the second service provider.

Abstract: An event driven sensor includes an arrangement of photodiodes including an inner portion laterally surrounded by an outer portion. An outer pixel cell circuit is coupled to generate an outer pixel value in response to photocurrent generated by the outer portion. The outer pixel value is a binned signal representative of an average value of brightness of incident light on the arrangement of photodiodes. An inner pixel cell circuit is coupled to the inner portion to generate an inner pixel value in response to photocurrent generated by from the inner portion. An event driven circuit is coupled to the outer pixel cell circuit and the inner pixel cell circuit. The event driven circuit is coupled to generate an output signal responsive to an inner brightness indicated by the inner pixel value relative to an outer brightness indicated by the outer pixel value.