What we learned from designing an academic certificates system on the blockchain

Juliana Nazaré, Kim Hamilton Duffy, J. Philipp Schmidt, Medium, Jun 04, 2016
Commentary by Stephen Downes

Some of the issues: the choice of bitcoin rather than ethereum; using a link to view certificates rather than public-private key pairs; leaving the possibility of certificate revocation in the system; privacy and transparency around blockchain; the right of the user to curate the certificates being shared; and whether the use of certificates can be tracked. There are three repositories: the certificate schema, defining the data structure;  the certificate issuer; and the certificate viewer. The developers have released version 1 of the code to the community.

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