PDMark
From Just Solve the File Format Problem
Revision as of 03:12, 12 August 2013 by Dan Tobias (Talk | contribs)
PDMark is a scheme for data encoding on paper documents, apparently a 2-D bar code symbology. It was developed by Ardaco, a company based in Slovakia. PDMark supports data compression, encryption, secure signatures, and data redundancy for recovery of damaged documents. It is referred to as "patented", but no specific patent is cited.
