Trusted digital identity issuing and distributed authentication method

The invention discloses a trusted digital identity signing and issuing and distributed authentication method. The method comprises three stages of trusted digital identity signing and issuing, business voucher signing and issuing, and joint identity declaration creation and verification. According to the method, the credible identity of the authoritative network is taken as a root of trust, and then the basic-level digital identity label, the basic-level digital identity certificate and the service certificate are signed and issued, so that the real identity of the user is finally traced through the credible digital identity while multiple advantages of a block chain and a distributed digital identity technology are reserved; the method meets the construction requirements of a network trusted identity management service system, supports distributed application ecology, supplements and expands an identity management and service system, and has huge market potential. 本发明公开了一种可信数字身份签发和分布式认证的方法，包括可信数字身份签发、业务凭证签发、