Stuart Haber is a cryptographer, best known as the co-inventor of the blockchain technique for ensuring the integrity of digital data.  His work has bridged pure research and practical cybersecurity over the course of a 35-year career spent both at large established companies such as Hewlett Packard Enterprise, HP Labs, and Bellcore (Bell Communications Research), as well as at startups such as InterTrust and Surety -- which in 1995 deployed the world's first commercial blockchain as the foundation of the time-stamping service that he founded with his co-inventor, Dr. Scott Stornetta.

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