Downloadable computer software for allowing each user to create for that user a self-sovereign identity record on a cryptographically-protected ledger such as, but not limited to a blockchain, and to selectively allow that user to share documents and other forms of data signed by a cryptographic key belonging to that self-sovereign identity record with others

Providing temporary use of non-downloadable computer software for allowing each user to create for that user a self-sovereign identity record on a cryptographically-protected ledger such as, but not limited to a blockchain, and to selectively allow that user to share documents and other forms of data signed by a cryptographic key belonging to that self-sovereign identity record with others; Providing data encryption services to others using computer software for creating self-sovereign identity records for individuals on a cryptographically-protected ledger, wherein verifiable credentials are issued to each individual and may then be selectively shared with others by each individual to authenticate personal information; Providing services to others using computer software for creating selfsovereign identity records for individuals on a cryptographically-protected ledger, wherein verifiable credentials are issued to each individual and may then be selectively shared with others by each individual to authenticate personal information, namely, authentication of data in the field of personal financial records, health records, security clearance records, insurance records, professional licenses, certifications and credentials, criminal history records, education records and legal compliance records using blockchain technology; Providing services to others using computer software for creating self-sovereign identity records for individuals on a cryptographicallyprotected ledger, wherein verifiable credentials are issued to each individual and may then be selectively shared with others by each individual to authenticate personal information being computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates