Abstract: A method for carrying out a cryptocurrency blockchain transaction through an integrated circuit payment card using a multi-signature blockchain wallet includes: storing, in an integrated circuit of a payment card, a first private key of a first cryptographic key pair and a transaction account number; receiving, by the integrated circuit, a blockchain transaction from a point of sale device, the blockchain transaction including unspent transaction outputs, destination addresses, a cryptocurrency amount for each destination address, and a first digital signature generated using a second private key of a second cryptographic key pair; digitally signing, by the integrated circuit, the blockchain transaction using the first private key to generate a second digital signature; and transmitting, by the integrated circuit, the digitally signed blockchain transaction including the first digital signature and the second digital signature to the point of sale device.

Abstract: A memory management method, a memory storage device, and a memory control circuit unit are provided. The method includes establishing a connection between the memory storage device and a host system; receiving a first request from the host system via the connection; detecting a status of the memory storage device in a time range according to the first request; and determining whether to use a memory in the host system according to the status.

Abstract: A memory management method, a memory storage device, and a memory control circuit unit are provided. The method includes establishing a connection between the memory storage device and a host system; receiving a first request from the host system via the connection; detecting a status of the memory storage device in a time range according to the first request; and determining whether to use a memory in the host system according to the status.

Abstract: A memory management method, a memory storage device and a memory control circuit unit are disclosed. The method includes: in an initialization operation, setting a first physical unit to be operated in a first operation mode, and in the first operation mode, the first physical unit is programmed based on a first programming mode; receiving a plurality of commands, and the commands includes a first command and a second command, the first command instructs to store first data to a first logical unit, and the second command instructs to mark second data stored in a second logical unit as invalid data; and in response to that a target condition is satisfied, setting the first physical unit to be operated in a second operation mode, and in the second operation mode, the first physical unit is programmable based on a second programming mode.

Abstract: A computerized system and method for processing record change requests across multiple applications is provided. A link is received from a first application, the link being associated with a record change request from a first account. A signed token is obtained from a like service using the link, wherein the signed token includes identity data associated with the first account and the record change request. An indicator of a second application is received, wherein the second application is chosen by a user for interacting with the record change request. Further, account information of a second account associated with the user is received. The second application is caused to be executed using the signed token and the indicator of the second application, wherein the second application updates a record at the second account associated with the user in response to the record change request.

Abstract: A wiping device includes a rod, a spraying assembly, a base, and a translation module. The wiping paper is wound around the rod. The spraying assembly comprises a nozzle. The nozzle is arranged above the rod, and the nozzle is arranged towards the wiping paper. The base is used for fixing a workpiece. The translation module is coupled to the rod or the base. When the rod rotates around an axis of the rod, a wiping paper is wound around the rod. The nozzle could spray a cleaning agent to the wiping paper, then, the translation module could drive the rod and the base to move relatively, and the wiping paper wetted by the cleaning agent wipe the workpiece. The cleaning agent could wet the outermost layer of the wiping paper directly, so that the amount of the cleaning agent could be reduced.

Abstract: A system for initiating secure guest checkout includes an application server; and an untrusted user interaction device that is in communication with the application server. The untrusted user interaction device has a unique device identifier that is registered with the application server.

Abstract: An integrated occupancy sensing system includes one or more radio frequency identification (RFID) sensor nodes and one or more base station units. Each of the one or more RFID sensor nodes includes at least one of (1) an image sensor, (2) an acoustic energy sensor, (3) a temperature sensor, (4) an illuminance sensor, or (5) a relative humidity sensor. Each of the one or more base station units is configured to be connected to a power source to emit a continuous wave carrier signal and to receive a reflected signal. Each of the one or more RFID sensor nodes is configured to receive and reflect the continuous wave carrier signal. In response to receiving the reflected signal from the one or more RFID sensor nodes, at least one of the base station units is configured to infer the likelihood of human occupancy in the building.

Abstract: A method, performed by an initiator system, for securely initiating a checkout with an enrolled device includes the steps of receiving, from an untrusted device, a checkout request including a user identifier; determining whether the user identifier is associated with one of a plurality of enrolled devices in an enrolled device database; responsive to a determination that the user identifier is associated with an enrolled device, retrieving user data associated with the user identifier; sending, to the untrusted device, a request for instructions to perform a checkout with the enrolled device; receiving, from the untrusted device, instructions to perform the checkout with the enrolled device; generating a request to perform the checkout with the enrolled device; and initiating a checkout by sending, to a communication system, a request to initiate a checkout with the enrolled device over a secure communications channel.

Abstract: An abnormal power loss recovery method, a memory control circuit unit, and a memory storage device are provided. The method is configured for a memory storage device including a rewritable non-volatile memory module having a plurality of super-physical units. The super-physical units include at least two physical erasing units, and each of the physical erasing units belongs to a different operation unit and includes a plurality of physical programming units. The method includes: reading data stored in a first super-physical unit without a corresponding RAID ECC code when a memory storage device is powered on again and detected as an abnormal power loss to obtain first data, and the first super-physical unit is a last super-physical unit to which data is written before the abnormal power loss occurs; and copying the first data to a second super-physical unit.

Abstract: A production monitoring and analysis method based on an image data algorithm includes: obtaining a reconstructed gray histogram according to a gray image of an image where a product identification code is located; obtaining a segmentation threshold of an Otsu algorithm for segmenting the reconstructed gray histogram, obtaining the adjustment of the gray level in the sub-gray histogram according to the number of pixels corresponding to each gray level in the reconstructed gray histogram and the segmentation threshold, correcting the sub-gray histogram to obtain a corrected sub-gray histogram according to the adjustment of the gray level in the sub-gray histogram, the lateral segmentation threshold of the sub-gray histogram, and all the gray levels greater than the lateral segmentation threshold, and obtaining an enhanced gray image according to the corrected sub-gray histogram. The method avoids the loss of original information when using histogram equalization for image enhancement.

Abstract: An abnormal power loss recovery method, a memory control circuit unit, and a memory storage device are provided. The method is configured for a memory storage device including a rewritable non-volatile memory module having a plurality of super-physical units. The super-physical units include at least two physical erasing units, and each of the physical erasing units belongs to a different operation unit and includes a plurality of physical programming units. The method includes: reading data stored in a first super-physical unit without a corresponding RAID ECC code when a memory storage device is powered on again and detected as an abnormal power loss to obtain first data, and the first super-physical unit is a last super-physical unit to which data is written before the abnormal power loss occurs; and copying the first data to a second super-physical unit.

Abstract: A system and method for processing digital payments using a smart chip payment acceptance module associated with an Internet of Things (IoT) or vending device via a virtual EMV terminal process for cloud-based digital payment transactions. A short-range communication channel is provided between a mobile user device and the payment acceptance module. The mobile user device includes a wallet application with an integrated merchant application used to create a payment transaction. An unlock device enables digital secure remote payments (DSRP). A smart chip server connected to a payment gateway can generate an encrypted proof of payment (POP) message indicating completion of the payment transaction. The user can complete the payment transaction using the integrated wallet application within the user device in an online or offline mode of the vend device for seamless interaction with the system by a new user as well as improved flexibility for merchants and consumers.

Abstract: A data storing method, a memory control circuit unit and a memory storage device are provided. The method includes the following. When the memory storage device is powered-on, it is determined whether a power loss state of the memory storage device matches an unexpected power loss state according to a power-off instruction. Data is written into a plurality of physical programming units using a single-page programming mode and not using a multi-page programming mode when it is determined that the power loss state matches the unexpected power loss state.

Abstract: A data storing method, a memory control circuit unit and a memory storage device are provided. The method includes the following. When the memory storage device is powered-on, it is determined whether a power loss state of the memory storage device matches an unexpected power loss state according to a power-off instruction. Data is written into a plurality of physical programming units using a single-page programming mode and not using a multi-page programming mode when it is determined that the power loss state matches the unexpected power loss state.

Abstract: An information configuration method includes transmitting a signal to a display of an electronic apparatus at a first transmission frequency, and, upon detecting that a current frequency band of the electronic apparatus is not in the first frequency band, switching the first transmission frequency to a second transmission frequency when the display is inactive. A parameter of the electronic apparatus associated with the first transmission frequency meets a predetermined condition when the electronic apparatus operates at a first frequency band. The parameter associated with the second transmission frequency meets the predetermined condition when the electronic apparatus operates at a second frequency band.

Abstract: A wiping device includes a rod, a spraying assembly, a base, and a translation module. The wiping paper is wound around the rod. The spraying assembly comprises a nozzle. The nozzle is arranged above the rod, and the nozzle is arranged towards the wiping paper. The base is used for fixing a workpiece. The translation module is coupled to the rod or the base. When the rod rotates around an axis of the rod, a wiping paper is wound around the rod. The nozzle could spray a cleaning agent to the wiping paper, then, the translation module could drive the rod and the base to move relatively, and the wiping paper wetted by the cleaning agent wipe the workpiece. The cleaning agent could wet the outermost layer of the wiping paper directly, so that the amount of the cleaning agent could be reduced.

Abstract: A trim command processing method, a memory control circuit unit, and a memory storage apparatus are provided. The method includes: receiving a trim command from a host system, where the trim command is configured to indicate data stored in at least one logical address among a plurality of logical addresses can be erased; calculating a first data volume of data required to be programmed when a data trim operation is performed according to the trim command; and determining whether to perform a first trim operation or a second trim operation according to the first data volume.

Abstract: Needle assemblies and related methods are disclosed. The needle assemblies can include a catheter hub and a catheter tube and wherein the catheter hub has a low profile to facilitate attaching the catheter hub to the skins of a patient.