[1] DigiCash declared bankruptcy in 1998 and subsequently sold[2] its assets to eCash Technologies, another digital currency company, which was acquired by InfoSpace on February 19, 2002.
[4] Chaum's Blind Signature Technology was designed to ensure the complete privacy of users who conduct online transactions.
He then proposed to construct a system of cryptographic protocols, in which a bank or the government would be unable to trace personal payments conducted online.
[6] DigiCash was a form of early electronic payment, which required user software to withdraw notes from a bank and designate specific encrypted keys before it can be sent to a recipient.
Chaum stated in an interview in 1999 that the DigiCash project, and its technology system, entered the market before e-commerce was fully integrated within the Internet.