20 yuan. According to the inquiry of Jiangxi Local Treasure, it was found that the electronic insurance policy for the most exclusive bicycle in Dexing City, Shangrao City, Jiangxi Province was 20 yuan, and there was an investment by the sponsor of the exclusive bicycle. Electronic insurance policies refer to electronic insurance policies with the electronic signature of the insurance company issued to customers by insurance companies with the help of digital signature software and enterprise digital certificates that comply with the PKI system.