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IdenTrust is a bank consortium acting as a public key certificate authority and secure applications provider whose members include over sixty of the largest banks in the world.

Formation 1999
Founded at New York City
Type Bank consortium
Headquarters San Francisco, California
John Sculley

Announced in 1999, its founding members included ABN AMRO, Barclays, Chase Manhattan, Citibank, Bank of America, Bankers Trust, Deutsche Bank, and HypoVereinsbank.[1] Early on it opted for a technology-neutral policy, developing standards that multiple technology vendors could follow in implementing products and services for its members and customers.

Initially located in New York, NY, it is presently headquartered in San Francisco, CA. In 2002 it acquired Digital Signature Trust (DST),[2] which had previously acquired the American Bankers Association's ABAEcom project.[citation needed]

They cross-signed the intermediate certificates of Let's Encrypt in 2015, so the Let's Encrypt CA could start it's operation and being trusted in all major browsers, too.[3]


  1. ^ Buliard, Fabien (2004-04-30). "Banking Technology". IdenTrust. Retrieved 2017-08-07.
  2. ^ "Company Profile". IdenTrust. Retrieved 2017-08-07.
  3. ^ "Chain of Trust - Let's Encrypt - Free SSL/TLS Certificates". Retrieved 2018-10-07.

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