Now, Assume that an individual has obtained a license from the testing center.
When she needs to prove to others that she indeed holds this credential, she would need to present her license to a verifier.
What will the verifier do?
现在，假设个人已从测试中心获得许可证。
当她需要向其他人证明她确实持有此凭证时，她需要向验证者出示许可证。
验证者将做什么？