diff --git a/apps/web-app/.env.production b/apps/web-app/.env.production
index d07a05d..a612295 100644
--- a/apps/web-app/.env.production
+++ b/apps/web-app/.env.production
@@ -1,4 +1,5 @@
 NEXT_PUBLIC_DEFAULT_NETWORK=sepolia
+NEXT_PUBLIC_INFURA_API_KEY=abf67af1010b4b8d877e04244f1eac3d
 NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS=0xAB851D8cc255A244c58Ae152bCa8d2E55BF013d6
 NEXT_PUBLIC_SEMAPHORE_CONTRACT_ADDRESS=0x0A09FB3f63c13F1C54F2fA41AFB1e7a98cffc774
 NEXT_PUBLIC_OPENZEPPELIN_AUTOTASK_WEBHOOK=https://api.defender.openzeppelin.com/actions/20fce2ae-844b-4ec0-a6a2-90a3350a9d2c/runs/webhook/303216d1-fa7d-4fca-8c5b-7ba1ba544fc7/2T7i9xrkZA5j37hoaQLUuw
diff --git a/apps/web-app/contract-artifacts/Feedback.json b/apps/web-app/contract-artifacts/Feedback.json
index 9fbf106..ad1d2c5 100644
--- a/apps/web-app/contract-artifacts/Feedback.json
+++ b/apps/web-app/contract-artifacts/Feedback.json
@@ -9,11 +9,6 @@
           "internalType": "address",
           "name": "semaphoreAddress",
           "type": "address"
-        },
-        {
-          "internalType": "uint256",
-          "name": "_groupId",
-          "type": "uint256"
         }
       ],
       "stateMutability": "nonpayable",
@@ -92,8 +87,8 @@
       "type": "function"
     }
   ],
-  "bytecode": "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",
-  "deployedBytecode": "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",
+  "bytecode": "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",
+  "deployedBytecode": "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",
   "linkReferences": {},
   "deployedLinkReferences": {}
 }
diff --git a/apps/web-app/src/app/api/feedback/route.ts b/apps/web-app/src/app/api/feedback/route.ts
index 3b19e1e..45698f5 100644
--- a/apps/web-app/src/app/api/feedback/route.ts
+++ b/apps/web-app/src/app/api/feedback/route.ts
@@ -3,26 +3,14 @@ import { NextRequest } from "next/server"
 import Feedback from "../../../../contract-artifacts/Feedback.json"
 
 export async function POST(req: NextRequest) {
-    if (typeof process.env.NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS !== "string") {
-        throw new Error("Please, define NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS in your .env file")
-    }
-
-    if (typeof process.env.NEXT_PUBLIC_DEFAULT_NETWORK !== "string") {
-        throw new Error("Please, define NEXT_PUBLIC_DEFAULT_NETWORK in your .env file")
-    }
-
-    if (typeof process.env.INFURA_API_KEY !== "string") {
-        throw new Error("Please, define INFURA_API_KEY in your .env file")
-    }
-
     if (typeof process.env.ETHEREUM_PRIVATE_KEY !== "string") {
         throw new Error("Please, define ETHEREUM_PRIVATE_KEY in your .env file")
     }
 
     const ethereumPrivateKey = process.env.ETHEREUM_PRIVATE_KEY
-    const ethereumNetwork = process.env.NEXT_PUBLIC_DEFAULT_NETWORK
-    const infuraApiKey = process.env.INFURA_API_KEY
-    const contractAddress = process.env.NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS
+    const ethereumNetwork = process.env.NEXT_PUBLIC_DEFAULT_NETWORK as string
+    const infuraApiKey = process.env.NEXT_PUBLIC_INFURA_API_KEY as string
+    const contractAddress = process.env.NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS as string
 
     const provider =
         ethereumNetwork === "localhost"
diff --git a/apps/web-app/src/app/api/join/route.ts b/apps/web-app/src/app/api/join/route.ts
index 126d5d9..1d0ee24 100644
--- a/apps/web-app/src/app/api/join/route.ts
+++ b/apps/web-app/src/app/api/join/route.ts
@@ -3,26 +3,14 @@ import { NextRequest } from "next/server"
 import Feedback from "../../../../contract-artifacts/Feedback.json"
 
 export async function POST(req: NextRequest) {
-    if (typeof process.env.NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS !== "string") {
-        throw new Error("Please, define NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS in your .env file")
-    }
-
-    if (typeof process.env.NEXT_PUBLIC_DEFAULT_NETWORK !== "string") {
-        throw new Error("Please, define NEXT_PUBLIC_DEFAULT_NETWORK in your .env file")
-    }
-
-    if (typeof process.env.INFURA_API_KEY !== "string") {
-        throw new Error("Please, define INFURA_API_KEY in your .env file")
-    }
-
     if (typeof process.env.ETHEREUM_PRIVATE_KEY !== "string") {
         throw new Error("Please, define ETHEREUM_PRIVATE_KEY in your .env file")
     }
 
     const ethereumPrivateKey = process.env.ETHEREUM_PRIVATE_KEY
-    const ethereumNetwork = process.env.NEXT_PUBLIC_DEFAULT_NETWORK
-    const infuraApiKey = process.env.INFURA_API_KEY
-    const contractAddress = process.env.NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS
+    const ethereumNetwork = process.env.NEXT_PUBLIC_DEFAULT_NETWORK as string
+    const infuraApiKey = process.env.NEXT_PUBLIC_INFURA_API_KEY as string
+    const contractAddress = process.env.NEXT_PUBLIC_FEEDBACK_CONTRACT_ADDRESS as string
 
     const provider =
         ethereumNetwork === "localhost"
diff --git a/apps/web-app/src/context/SemaphoreContext.tsx b/apps/web-app/src/context/SemaphoreContext.tsx
index f10562b..425b545 100644
--- a/apps/web-app/src/context/SemaphoreContext.tsx
+++ b/apps/web-app/src/context/SemaphoreContext.tsx
@@ -30,7 +30,8 @@ export const SemaphoreContextProvider: React.FC<ProviderProps> = ({ children })
 
     const refreshUsers = useCallback(async (): Promise<void> => {
         const semaphore = new SemaphoreEthers(ethereumNetwork, {
-            address: process.env.NEXT_PUBLIC_SEMAPHORE_CONTRACT_ADDRESS
+            address: process.env.NEXT_PUBLIC_SEMAPHORE_CONTRACT_ADDRESS,
+            projectId: process.env.NEXT_PUBLIC_INFURA_API_KEY
         })
 
         const members = await semaphore.getGroupMembers(process.env.NEXT_PUBLIC_GROUP_ID as string)
@@ -47,7 +48,8 @@ export const SemaphoreContextProvider: React.FC<ProviderProps> = ({ children })
 
     const refreshFeedback = useCallback(async (): Promise<void> => {
         const semaphore = new SemaphoreEthers(ethereumNetwork, {
-            address: process.env.NEXT_PUBLIC_SEMAPHORE_CONTRACT_ADDRESS
+            address: process.env.NEXT_PUBLIC_SEMAPHORE_CONTRACT_ADDRESS,
+            projectId: process.env.NEXT_PUBLIC_INFURA_API_KEY
         })
 
         const proofs = await semaphore.getGroupValidatedProofs(process.env.NEXT_PUBLIC_GROUP_ID as string)