Historical contribution
What Haber contributed
With W. Scott Stornetta, he described systems that link document hashes and trusted publication to establish an ordered, tamper-evident history.
Why it mattered
The work became an important ancestor of digital provenance systems and later blockchain designs.
Connected topics
Where this fits in ITEM
Evidence
Sources and further reading
- How to Time-Stamp a Digital Document
Stuart Haber, W. Scott Stornetta · 1991