The People's Court should support this situation.
This is where consumer rights are protected. On your platform, you have to provide the necessary information required for litigation or arbitration. Failure to do so, or refusal to provide it, can result in liability for your platform.
This is called information disclosure.
The same applies to second-hand platforms. Just take the relevant evidence to customer service and ask them to provide it.
Generally, second-hand platforms only have the other party's name, contact information, and identity card number. You need to use an Investigation Order or some method to check the other party's household registration.
Three cobblers are better than Zhuge Liang. The study and practice group made quick progress through discussion, and it was Lawyer Tang who took the responsibility for the finances.