Becoming a member includes three steps:

1. Prefix Application

Fill in the application form.

2. Become a Member

After receiving the application, the feedback will be sent within 3-5 working days. You will receive the CSTR prefix.

3.Identifier Registration

  • Step 1


  • Step 2

    Prepare Metadata

  • Step 3


  • Step 4

    Identifier Management

After the approval, we will provide the operation manual to help you get familiar with the relevant processes. If you have any further questions, please do not hesitate to contact