1. the system supports organization, personnel, attendance, salary, performance, archives, training, recruitment, accommodation, canteen, visitor registration, etc., providing enterprises with comprehensive human resources information solutions with performance as the core, and comprehensively improving organizational performance. the system, etc., generates corresponding unique hash values ​​for its content, time and other information at the moment of issuance, and stores it on the alliance chain. 2 mobile attendance 30 personnel

system, attendance