Dynamic QR codes are the operational foundation of any serious QR strategy. Unlike static codes, they let you update the ...

Abstract: this paper proposed a cross-chain multi-dimensional reputation model based on block-chain to deal with the nodes’ risk assessment in block-chain. When the nodes joined the network, the block ...

Abstract: With the increasing complexity of Web application functions, JavaScript libraries are widely used to improve development efficiency and user experience. However, many applications do not ...