US Patent 11749047 Electronic voting system and control method

A method controls one of a plurality of voting servers in an electronic voting system. The method includes receiving, from one or more terminals, one or more voting data including a first identifier (ID) associated with a vote cast by a voter and voting information indicating the vote. The method also includes generating a block including the one or more voting data when the one or more voting data satisfies a predetermined criterion of anonymization, and connecting the block to a blockchain stored in a memory.