Digital certificate is one of the identification certificates for using Alipay account funds, which encrypts your information to ensure the security of account funds. Digital certificates are issued by CA Center, an authoritative and impartial third party organization. The specific functions are as follows:

1. Strengthen protection: bind Alipay account with the computer or mobile phone used. Even if the other party steals your password, your funds can't be moved on other devices, which ensures the safety of your funds. Users with digital certificates can only query accounts without digital certificates if they log in to Alipay accounts on other devices. Digital certificate is equivalent to configuring a "key" for your account, which greatly enhances the security of account use.

2. Increase the limit: With Alipay's digital certificate, when you initiate "transfer to Alipay account" on Alipay website, the limit of immediate account arrival transaction is 20,000 yuan;