@@ -153,3 +153,21 @@ an independent implementation of Urbit using Graal/Truffle on the JVM.
153153The Urbit stack (compiler, standard library, kernel, modules, and applications,
154154but excluding Vere) is about 30,000 lines of Hoon. Urbit is patent-free and MIT
155155licensed.
156+
157+### Azimuth
158+
159+Azimuth is a general-purpose public-key infrastructure (PKI) on the Ethereum
160+blockchain, used as a decentralized ledger for Urbit identities that we call
161+*points*. Having a point is necessary to use the Urbit network, which makes it
162+important to have a neutral ledger to determine who owns what.
163+
164+Azimuth is not, however, part of the Urbit stack. Azimuth is a parallel system
165+that be used as a generalized identity system for other projects. Azimuth
166+"touches" the Urbit ecosystem when a point is used to boot a virtual computer
167+on the Urbit network for the first time. When that happens, the point considered
168+*linked* to Azimuth and the point’s full powers are available for use. Once a
169+point is linked, it cannot be unlinked.
170+
171+A metaphor might make the relationship between these two systems to understand:
172+Azimuth is the bank vault that stores the deed to your house. The Urbit network
173+is the neighborhood that you live in.