Please see the dnscurve.org website for extensive documentation on DNSCurve.
Matthew Dempsky wrote a DNSCurve Internet Draft.
Some additional information will be added here. TODO: anatomy of a DNSCurve packet, etc.
This DNSCurve howto covers getting a DNSCurve resolver up and running on Unix.
How to install DNSCurve on your authoritative name server, by Hauke Lampe.