Any links to a list of digital currencies organized by technology? ie: Bitcoin has countless forks characterized by nothing more than adjusting (or not) the operating parameters of the bitcoin.org code and starting their own genesis. Others may swap out the hash or crypto functions within that. While useful to list them all under the aforesaid parent technology 'Bitcoin', they are all ultimately uninteresting and a waste of time to research. A real list would group all the digital currencies by genuine differences in architecture... those archs thus resulting in their suitability to different applications, capabilities to anonymity, features for centralization/regulation, etc. So now you might have Bitcoin Paypal, Linden Some other various coin designs Currencies that pass serialized 'banknotes' around