As banking and mortgage lenders strive to move more key processes online and the need for true identity authentication increases dramatically, digital certificates have emerged as the most common method for authenticating the identities of businesses and individuals conducting business electronically. One digital certificate solution provider has now opened its authentication program to other certificate issuers. Digital Signature Trust, Salt Lake City, an affiliate of Zions Bancorporation, has opened its copyrighted TrustID technology to outsiders.