142 citations · 190 across the 4 of their papers we have counts for
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cs.CR2003
Improvements to time bracketed authentication
Charles H. Bennett
We describe a collection of techniques whereby audiovisual or other recordings of significant events can be made in a way that hinders falsification, pre-dating, or post-dating by…
cs.CR2002
Trust enhancement by multiple random beacons
Charles H. Bennett, John A. Smolin
Random beacons-information sources that broadcast a stream of random digits unknown by anyone beforehand-are useful for various cryptographic purposes. But such beacons can be easi…