The first question any informed observer asks Solidus is: another identity L1? It is a fair question. There is a graveyard of self-sovereign identity projects from 2018-2022 — Sovrin, uPort, and others — that built credible architectures, attracted talented teams, and ran out of runway before adoption could fund operations. The skepticism toward yet another chain with the word "identity" in it is well-earned. This is our answer. We invent exactly one thing Solidus composes ...