Blind Signatures For Untraceable Payments by David Chaum http://www.hit.bme.hu/~buttyan/courses/BMEVIHIM219/2009/Chaum.BlindSigForPayment.1982.PDF https://en.wikipedia.org/wiki/David_Chaum btcartgallery2023-02-13T05:14:08+00:00December 12th, 1982|Bitcoin, History, photo, Video|
