Comparison between short message matrix password and matrix card

Compared with the matrix card in the form of physical objects or pictures, SMS matrix password is a dynamic password solution with convenient access and low operating cost, which can be widely used in network applications such as online games, online securities, online banking and e-commerce. It is the most cost-effective dynamic password solution. At present, many domestic chess games use DKEY MATRIX of Shanghai Ningdun to protect the security of players' accounts and virtual items.