diff --git a/packages/services/indexer/CHANGELOG.md b/packages/services/indexer/CHANGELOG.md
index 693670b22c..c5885b8044 100644
--- a/packages/services/indexer/CHANGELOG.md
+++ b/packages/services/indexer/CHANGELOG.md
@@ -585,6 +585,12 @@
 
 - utils: extractProjectIdFromAccessKey
 
+## 2.0.0
+
+### Major Changes
+
+- changeset
+
 ## 1.10.14
 
 ### Patch Changes
diff --git a/wagmi-project/src/main.tsx b/wagmi-project/src/main.tsx
index d999e1a932..77ee47679e 100644
--- a/wagmi-project/src/main.tsx
+++ b/wagmi-project/src/main.tsx
@@ -9,7 +9,9 @@ import { config } from './wagmi.ts'
 
 import './index.css'
 
-globalThis.Buffer = Buffer
+if (!globalThis.Buffer) {
+  globalThis.Buffer = Buffer
+}
 
 const queryClient = new QueryClient()
 
diff --git a/wagmi-project/src/wagmi.ts b/wagmi-project/src/wagmi.ts
index 43cf231934..1f8714a242 100644
--- a/wagmi-project/src/wagmi.ts
+++ b/wagmi-project/src/wagmi.ts
@@ -2,12 +2,21 @@ import { http, createConfig } from 'wagmi'
 import { mainnet, sepolia } from 'wagmi/chains'
 import { coinbaseWallet, injected, walletConnect } from 'wagmi/connectors'
 
+const wcProjectId = import.meta.env.VITE_WC_PROJECT_ID
+
+if (!wcProjectId) {
+  // Fail fast with a clear error instead of an opaque runtime failure inside walletConnect
+  throw new Error(
+    'VITE_WC_PROJECT_ID is not set. Please define it in your environment to enable WalletConnect.',
+  )
+}
+
 export const config = createConfig({
   chains: [mainnet, sepolia],
   connectors: [
     injected(),
     coinbaseWallet(),
-    walletConnect({ projectId: import.meta.env.VITE_WC_PROJECT_ID }),
+    walletConnect({ projectId: wcProjectId }),
   ],
   transports: {
     [mainnet.id]: http(),