diff --git a/auth.md b/auth.md
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+* https://github.com/ory/kratos 
+* https://github.com/keycloak/keycloak
+* https://github.com/supertokens/supertokens-core
diff --git a/hc-comp/todo.md b/hc-comp/todo.md
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+- [ ] build price levels that are going to accomodate mixed CAD/USD customers, cannot assign mixed currency lists to a single customers