As an example, consider the life of an issuer. It has a DID that it's known by.
The issuer could perform several functions like issuing credentials, authenticating with other applications, engaging in secure communication using a methodology, or revoking its issued credential..
例如，考虑发行人的寿命。它有一个已知的 DID。
颁发者可以执行多种功能，例如颁发证书、与其他应用程序进行身份验证、使用某种方法进行安全通信或撤销其颁发的证书。