diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..39c60f6
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Ethereum Foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..062e717
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,6 @@
+{
+  "name": "DefinitelySetup",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}
diff --git a/web/src/context/StateContext.tsx b/web/src/context/StateContext.tsx
index 7fde008..bb2ab89 100644
--- a/web/src/context/StateContext.tsx
+++ b/web/src/context/StateContext.tsx
@@ -123,7 +123,8 @@ export const useInitialStateContext = () => {
 
       // 2. Post-process data.
       const ceremonies: CeremonyDocumentReferenceAndData[] = docs.map((document: DocumentData) => { return { uid: document.id, data: document.data() } })
-      const projects: Project[] = ceremonies.map((ceremony: CeremonyDocumentReferenceAndData) => { return { ceremony: ceremony } })
+      const ceremoniesVisibleInWeb = ceremonies.filter((ceremony) => ceremony.data.hideInWeb !== true)
+      const projects: Project[] = ceremoniesVisibleInWeb.map((ceremony: CeremonyDocumentReferenceAndData) => { return { ceremony: ceremony } })
 
       const queue: WaitingQueue[] = []
       for (const project of projects) {
@@ -134,7 +135,7 @@ export const useInitialStateContext = () => {
       }
 
       setWaitingQueue(queue)
-      // 3. Store data.      
+      // 3. Store data.
       setProjects(projects)
       setLoading(false)
     }
@@ -142,14 +143,14 @@ export const useInitialStateContext = () => {
     setRunTutorial(true)
 
     fetchData()
-   
+
   },[])
 
   return { waitingQueue, projects, setProjects, circuit, setCircuit, search, setSearch, loading, setLoading, runTutorial, setRunTutorial };
 };
 
 export const StateProvider: React.FC<StateProviderProps> = ({ children }) => {
- 
+
   const [user, setUser] = useState<string | undefined>(
     localStorage.getItem("username") || undefined
   );
diff --git a/web/src/helpers/constants.ts b/web/src/helpers/constants.ts
index 271cf3a..d14fb1f 100644
--- a/web/src/helpers/constants.ts
+++ b/web/src/helpers/constants.ts
@@ -178,4 +178,4 @@ export const projectId = import.meta.env.VITE_FIREBASE_PROJECT_ID
 export const messagingSenderId = import.meta.env.VITE_FIREBASE_MESSAGING_SENDER_ID
 export const appId = import.meta.env.VITE_FIREBASE_APP_ID
 export const awsRegion = import.meta.env.VITE_AWS_REGION
-export const maxConstraintsForBrowser = 1500000
\ No newline at end of file
+export const maxConstraintsForBrowser = 1500000
diff --git a/web/src/helpers/interfaces.ts b/web/src/helpers/interfaces.ts
index e116d32..76087f3 100644
--- a/web/src/helpers/interfaces.ts
+++ b/web/src/helpers/interfaces.ts
@@ -171,6 +171,7 @@ export interface CeremonyDocument {
   type: CeremonyType
   coordinatorId: string
   lastUpdated: number
+  hideInWeb?: boolean
 }
 
 /**
@@ -494,9 +495,9 @@ export interface ZkeyDownloadLink {
  * @property {number} waitingQueue - the number of participants in the waiting queue.
  */
 export interface WaitingQueue {
-  ceremonyName: string 
-  circuitName: string 
-  waitingQueue: number 
+  ceremonyName: string
+  circuitName: string
+  waitingQueue: number
 }
 
 /**
@@ -513,7 +514,7 @@ export interface Project {
   circuits?: CircuitDocumentReferenceAndData[] | null
   participants?: ParticipantDocumentReferenceAndData[] | null
   contributions?: ContributionDocumentReferenceAndData[] | null
-  coordinatorId?: string 
+  coordinatorId?: string
 }
 
 export interface State {
@@ -578,6 +579,6 @@ export type StateProviderProps = {
  * @property {string} hash - the hash of the beacon.
  */
 export interface FinalBeacon {
-  beacon: string 
+  beacon: string
   beaconHash: string
-}
\ No newline at end of file
+}
diff --git a/web/src/pages/LandingPage/HeroComponent.tsx b/web/src/pages/LandingPage/HeroComponent.tsx
index 5ad80ff..b6181fd 100644
--- a/web/src/pages/LandingPage/HeroComponent.tsx
+++ b/web/src/pages/LandingPage/HeroComponent.tsx
@@ -66,4 +66,4 @@ export function HeroComponent({ projects, waitingQueue }: HeroComponentProps) {
       </VStack>
     </>
   );
-}
+}
\ No newline at end of file
diff --git a/web/src/pages/ProjectPage.tsx b/web/src/pages/ProjectPage.tsx
index 8537129..96c56f1 100644
--- a/web/src/pages/ProjectPage.tsx
+++ b/web/src/pages/ProjectPage.tsx
@@ -100,7 +100,7 @@ const ProjectPage: React.FC = () => {
       maxTiming: Math.round((Number(circuit.data.avgTimings?.fullContribution) * 1.618) / 1000)
     })) ?? [];
 
-  // parse contributions and sort by zkey name
+  // parse contributions and sort by zkey name. FIlter for valid contribs.
   const contributionsClean =
     validatedProjectData.contributions?.map((contribution) => ({
       doc: contribution.data.files?.lastZkeyFilename ?? "",
@@ -112,7 +112,9 @@ const ProjectPage: React.FC = () => {
         contribution.data?.files?.transcriptBlake2bHash ?? "",
         10
       )
-    })).slice().sort((a: any, b: any) => {
+    })).slice()
+      .filter((c: any) => c.valid)
+      .sort((a: any, b: any) => {
       const docA = a.doc.toLowerCase()
       const docB = b.doc.toLowerCase()