Picture information synchronization processing method and device based on block chain network

The invention provides a ticket information synchronization processing method and device based on a block chain network, relates to the technical field of block chains, and can be used in the financial field or other technical fields. The method comprises the following steps: receiving ticket cancel-after-verification state confirmation information sent by a target node according to a ticket cancel-after-verification result issued by a branch node; classifying the ticket cancel-after-verification states according to the ticket cancel-after-verification state confirmation information to obtain a target ticket cancel-after-verification state with the maximum classification number; and determining a ticket cancel-after-verification state confirmation result according to the classification number of the target ticket cancel-after-verification states and the total number of the target nodes, and synchronizing the ticket cancel-after-verification state confirmation result to each data receiver node in the block cha