diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
deleted file mode 100644
index 9e236c212..000000000
--- a/.github/workflows/docker.yml
+++ /dev/null
@@ -1,57 +0,0 @@
-name: Docker Image
-
-on:
-  push:
-    branches:
-      - develop
-  # pull_request:
-  release:
-    types:
-    - released
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Set Docker Tag
-        id: docker-tag
-        if: ${{ github.event_name != 'release' }}
-        run: echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)" | tee $GITHUB_ENV
-
-      - name: Set Docker Tag - Release
-        id: docker-tag-release
-        if: ${{ github.event_name == 'release' }}
-        run: echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)-${GITHUB_REF#refs/tags/}" | tee $GITHUB_ENV
-
-      - name: Login to Docker Repository
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_REPO_USER }}
-          password: ${{ secrets.DOCKER_REPO_TOKEN }}
-
-      -
-        # Setting up Docker Buildx with docker-container driver is required
-        # at the moment to be able to use a subdirectory with Git context
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Docker Image Build
-        id: docker-build
-        if: ${{ github.event_name == 'pull_request' }}
-        uses: docker/build-push-action@v4
-        with:
-          context: "{{defaultContext}}:packages/gateway"
-          push: false
-          tags: consensys/linea-resolver:${{ env.DOCKER_TAG }}
-
-      - name: Docker Image Build and Publish
-        id: docker-build-publish
-        if: ${{ github.ref == 'refs/heads/develop' || startsWith(github.ref,'refs/tags/') }}
-        uses: docker/build-push-action@v4
-        with:
-          context: "{{defaultContext}}:packages/gateway"
-          push: true
-          tags: consensys/linea-resolver:${{ env.DOCKER_TAG }}
\ No newline at end of file
diff --git a/.github/workflows/frontend.yml b/.github/workflows/ens-app-build-publish.yml
similarity index 74%
rename from .github/workflows/frontend.yml
rename to .github/workflows/ens-app-build-publish.yml
index e563e52af..dc8a3de16 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/ens-app-build-publish.yml
@@ -4,15 +4,19 @@ on:
   push:
     branches:
       - main
+    paths:
+      - "packages/ens-app-v3/**"
   pull_request:
     branches:
       - main
+    paths:
+      - "packages/ens-app-v3/**"
   release:
     types:
       - released
 
 jobs:
-  publish:
+  ens-app-build-publish:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -21,14 +25,12 @@ jobs:
       - name: Set Docker Tag
         id: docker-tag
         if: ${{ github.event_name != 'release' }}
-        run: |
-          echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)" >> $GITHUB_ENV
+        run: echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)-ens-app" | tee $GITHUB_ENV
 
       - name: Set Docker Tag - Release
         id: docker-tag-release
         if: ${{ github.event_name == 'release' }}
-        run: |
-          echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)-${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+        run: echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)-ens-app-${GITHUB_REF#refs/tags/}" | tee $GITHUB_ENV
 
       - name: Login to Docker Repository
         uses: docker/login-action@v2
@@ -43,11 +45,12 @@ jobs:
         env:
           NEXT_PUBLIC_BASE_DOMAIN: ${{ secrets.NEXT_PUBLIC_BASE_DOMAIN }}
           NEXT_PUBLIC_ALCHEMY_KEY: ${{ secrets.NEXT_PUBLIC_ALCHEMY_KEY }}
+          NEXT_PUBLIC_POH_SIGNATURE_API: "https://poh-verifier.dev.linea.build"
         if: ${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/') }}
         uses: docker/build-push-action@v4
         with:
           context: ./
-          file: ./Dockerfile
+          file: ./packages/ens-app-v3/Dockerfile
           push: true
           tags: consensys/linea-resolver:${{ env.DOCKER_TAG }}
           build-args: BUILD_COMMAND="pnpm build"
diff --git a/.github/workflows/poh-verifier-build-publish.yml b/.github/workflows/poh-verifier-build-publish.yml
new file mode 100644
index 000000000..9068f882f
--- /dev/null
+++ b/.github/workflows/poh-verifier-build-publish.yml
@@ -0,0 +1,53 @@
+name: "Build and Publish PoH Verifier API"
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "packages/poh-verifier/**"
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "packages/poh-verifier/**"
+  release:
+    types:
+      - released
+
+jobs:
+  poh-verifier-build-publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set Docker Tag
+        id: docker-tag
+        if: ${{ github.event_name != 'release' }}
+        run: echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)-poh-verifier" | tee $GITHUB_ENV
+
+      - name: Set Docker Tag - Release
+        id: docker-tag-release
+        if: ${{ github.event_name == 'release' }}
+        run: echo "DOCKER_TAG=${GITHUB_SHA:0:7}-$(date +%s)-poh-verifier-${GITHUB_REF#refs/tags/}" | tee $GITHUB_ENV
+
+      - name: Login to Docker Repository
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_REPO_USER }}
+          password: ${{ secrets.DOCKER_REPO_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Docker Image Build and Publish
+        uses: docker/build-push-action@v4
+        with:
+          build-args: |
+            ENV_FILE=.env.production
+            SIGNER_PRIVATE_KEY=${{ secrets.POH_VERIFIER_PRIVATE_KEY }}
+          context: ./packages/poh-verifier
+          file: ./packages/poh-verifier/Dockerfile
+          push: true
+          tags: consensys/linea-resolver:${{ env.DOCKER_TAG }}
diff --git a/.github/workflows/slither.yml b/.github/workflows/slither.yml
deleted file mode 100644
index d8634bb14..000000000
--- a/.github/workflows/slither.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: Slither Analysis
-on:
-  pull_request:
-    branches:
-      - develop
-  push:
-    branches:
-      - develop
-jobs:
-  analyze:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Run Slither
-        uses: crytic/slither-action@v0.3.0
-        id: slither
-        env:
-          L2_PROVIDER_URL: ${{ secrets.L2_PROVIDER_URL }}
-          L1_PROVIDER_URL: ${{ secrets.L1_PROVIDER_URL }}
-        with:
-          node-version: 16
-          target: "packages/contracts"
-          sarif: results.sarif
-          fail-on: none
-
-      - name: Upload SARIF file
-        uses: github/codeql-action/upload-sarif@v2
-        with:
-          sarif_file: ${{ steps.slither.outputs.sarif }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index f0fc461f9..000000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: "Execute lint and test"
-
-on:
-  pull_request:
-    branches:
-      - develop
-  push:
-    branches:
-      - develop
-jobs:
-  test-smart-contracts-and-build-gateway:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-      - name: Install dependencies
-        working-directory: ./packages/contracts
-        run: yarn install
-      - name: Lint the code
-        working-directory: ./packages/contracts
-        run: yarn lint
-      - name: Run tests
-        working-directory: ./packages/contracts
-        env:
-          L2_PROVIDER_URL: ${{ secrets.L2_PROVIDER_URL }}
-          L1_PROVIDER_URL: ${{ secrets.L1_PROVIDER_URL }}
-        run: yarn test
-      - name: Build Gateway
-        working-directory: ./packages/gateway
-        run: |
-          yarn install
-          yarn build
diff --git a/packages/ens-app-v3/.env.example b/packages/ens-app-v3/.env.example
index 4672a2604..8e6dea656 100644
--- a/packages/ens-app-v3/.env.example
+++ b/packages/ens-app-v3/.env.example
@@ -21,4 +21,8 @@ BATCH_GATEWAY_URLS='["https://ccip-v2.ens.xyz/"]'
 NEXT_PUBLIC_BASE_DOMAIN='linea-test' # To be read by the frontend dapp
 BASE_DOMAIN='linea-test' # To be read by the deployment scripts in "l2-cntracts"
 
-NEXT_PUBLIC_POH_SIGNATURE_API='http://localhost:4000'
\ No newline at end of file
+# Local
+NEXT_PUBLIC_POH_SIGNATURE_API='http://localhost:4000'
+
+# Sepolia
+# NEXT_PUBLIC_POH_SIGNATURE_API='https://poh-verifier.dev.linea.build'
\ No newline at end of file
diff --git a/Dockerfile b/packages/ens-app-v3/Dockerfile
similarity index 100%
rename from Dockerfile
rename to packages/ens-app-v3/Dockerfile
diff --git a/packages/ens-app-v3/src/constants/sepoliaCustom.ts b/packages/ens-app-v3/src/constants/sepoliaCustom.ts
index e2c8c3dfc..3dd51c5a0 100644
--- a/packages/ens-app-v3/src/constants/sepoliaCustom.ts
+++ b/packages/ens-app-v3/src/constants/sepoliaCustom.ts
@@ -21,10 +21,10 @@ export const sepoliaCustom = /* #__PURE__ */ defineChain({
       address: '0xca11bde05977b3631167028862be2a173976ca11',
       blockCreated: 751532,
     },
-    ensRegistry: { address: '0x56c306b6d15287870B9484883335B8a929f97729' },
+    ensRegistry: { address: '0xCeF1e850d0207B237Ae91e64037072F93C76aE35' },
     ensUniversalResolver: {
-      address: '0x35B37282d7f7005DE1c3F867A6C663d4a530E229',
-      blockCreated: 5_647_522,
+      address: '0x7263bA3b95Ae6177dC39D22f7eF4E277806E8aCF',
+      blockCreated: 5_710_989,
     },
   },
   testnet: true,
@@ -32,33 +32,33 @@ export const sepoliaCustom = /* #__PURE__ */ defineChain({
 
 export const sepoliaCustomEnsAddresses = {
   ensBaseRegistrarImplementation: {
-    address: '0x3680EbF9a484B1250E46324328582AbcB53B6791',
+    address: '0x2372154B01F1071b2f2BB02e93Ab97404f1F7a76',
   },
   ensBulkRenewal: {
-    address: '0x88Cd4C93b97271AaBA45Bf74a3df5178aB2Ef874',
+    address: '0x05341E05dc959eF86E08a41883F5B478947B790D',
   },
   ensDnsRegistrar: {
-    address: '0x964429Cee5760eF8E10d52d7061DbD4A70d8B5F4',
+    address: '0x88eeA2489dCc3BeF6439E65a413b68F1a23F1DCf',
   },
   ensDnssecImpl: {
-    address: '0x541B273dE31cd631544a164C6F1679FD2995FD34',
+    address: '0x45FC85e99c62359d2A778d759FA36dF3D53a31D4',
   },
   ensEthRegistrarController: {
-    address: '0x65560259405ab2c6a14Aa753e47933a04C8c1b43',
+    address: '0x77D2a098D81580633091529FB93953dE9180c0c0',
   },
   ensNameWrapper: {
-    address: '0x3b365991034a573d54E6D10e88BfacBF2788A23e',
+    address: '0xB496f723a0180418b0F15e2b1af7d60BBa8Afeb1',
   },
   ensPublicResolver: {
-    address: '0xca710b440ad4457eE7a8C02355dcA985B78B7627',
+    address: '0xA4254Ba887ea0813A3F265A7442fAFa68E21a6bb',
   },
   ensRegistry: {
-    address: '0x56c306b6d15287870B9484883335B8a929f97729',
+    address: '0xCeF1e850d0207B237Ae91e64037072F93C76aE35',
   },
   ensReverseRegistrar: {
-    address: '0x8f71DD4896e0f005dC3dAF7435D75CaB8B0A721b',
+    address: '0xDf307b640a95E6ed82798Eb41A5f388D0eF75C38',
   },
   ensUniversalResolver: {
-    address: '0x35B37282d7f7005DE1c3F867A6C663d4a530E229',
+    address: '0x7263bA3b95Ae6177dC39D22f7eF4E277806E8aCF',
   },
 }
diff --git a/packages/ens-app-v3/src/utils/query/wagmi.ts b/packages/ens-app-v3/src/utils/query/wagmi.ts
index 8e54020fa..7fb299d82 100644
--- a/packages/ens-app-v3/src/utils/query/wagmi.ts
+++ b/packages/ens-app-v3/src/utils/query/wagmi.ts
@@ -119,9 +119,7 @@ const wagmiConfig_ = createConfig({
       ]) as unknown as FallbackTransport,
     } as const),
     ...({
-      [sepolia.id]: initialiseTransports('linea-sepolia', [
-        infuraUrl,
-      ]) as unknown as FallbackTransport,
+      [sepolia.id]: initialiseTransports('sepolia', [infuraUrl]) as unknown as FallbackTransport,
     } as const),
   },
 })
diff --git a/packages/ens-subgraph/networks.json b/packages/ens-subgraph/networks.json
index fa2381f70..e99c0f2ac 100644
--- a/packages/ens-subgraph/networks.json
+++ b/packages/ens-subgraph/networks.json
@@ -59,32 +59,32 @@
   },
   "sepolia": {
     "ENSRegistry": {
-      "address": "0x9125C4f492Ca725A2EAE5d9Df5643F6f41Fe77BE",
-      "startBlock": 5570702
+      "address": "0xCeF1e850d0207B237Ae91e64037072F93C76aE35",
+      "startBlock": 5710905
     },
     "ENSRegistryOld": {
-      "address": "0x529a47F9d92375Ea637b56e64C7eaec266B4A575",
-      "startBlock": 5570741
+      "address": "0x4672c086d0dED53102b2cd6fC68a49f1574166a6",
+      "startBlock": 5710900
     },
     "Resolver": {
-      "address": "0x7161c2eEf390ef14053E13012D6E761938820127",
-      "startBlock": 5570761
+      "address": "0xA4254Ba887ea0813A3F265A7442fAFa68E21a6bb",
+      "startBlock": 5710986
     },
     "BaseRegistrar": {
-      "address": "0x0d5446e2050DCDc373DbB13A2e6a81D89E85FEb6",
-      "startBlock": 5570704
+      "address": "0x2372154B01F1071b2f2BB02e93Ab97404f1F7a76",
+      "startBlock": 5710907
     },
     "EthRegistrarControllerOld": {
-      "address": "0x34823AD0432e7BDB512556093A369539fd3cCb39",
-      "startBlock": 5570748
+      "address": "0xca23A9C1129A62584A6a656cE03130020f6eaf53",
+      "startBlock": 5710964
     },
     "EthRegistrarController": {
-      "address": "0xE2f076220c4e456A10398A8482d84BE1E8b82516",
-      "startBlock": 5570752
+      "address": "0x77D2a098D81580633091529FB93953dE9180c0c0",
+      "startBlock": 5710979
     },
     "NameWrapper": {
-      "address": "0x0Fb19ba94805a816471C84c90F167285bA888FD3",
-      "startBlock": 5570741
+      "address": "0xB496f723a0180418b0F15e2b1af7d60BBa8Afeb1",
+      "startBlock": 5710956
     }
   },
   "holesky": {
diff --git a/packages/ens-subgraph/package.json b/packages/ens-subgraph/package.json
index a0e78bbe5..e8c101801 100644
--- a/packages/ens-subgraph/package.json
+++ b/packages/ens-subgraph/package.json
@@ -16,9 +16,8 @@
     "docker:remove-local": "graph remove graphprotocol/ens --node http://ens-app_graph-node_1:8020",
     "build": "graph build",
     "deploy": "graph deploy --network mainnet --product hosted-service ensdomains/ens",
-    "deploy:goerli": "graph deploy --network goerli --product hosted-service ensdomains/ensgoerli",
-    "deploy:sepolia": "graph deploy --network sepolia --studio enssepolia",
-    "deploy:holesky": "graph deploy --network holesky --studio ensholesky",
+    "deploy:sepolia": "graph deploy --network sepolia --studio ens-sepolia",
+    "deploy:holesky": "graph deploy --network holesky --studio ens-sepolia",
     "watch-local": "graph deploy graphprotocol/ens --watch --debug --node http://127.0.0.1:8020/ --ipfs http://localhost:5001"
   },
   "devDependencies": {
diff --git a/packages/poh-verifier/.env.production b/packages/poh-verifier/.env.production
new file mode 100644
index 000000000..45afe3bcd
--- /dev/null
+++ b/packages/poh-verifier/.env.production
@@ -0,0 +1,11 @@
+# Env
+NODE_ENV=development
+PORT=3000
+
+# Signer
+VERIFIER_CONTRACT_ADDRESS=0xa904d832aBEBb150acde3Aa520cAC39B0970AF1b
+
+# Poh API
+POH_API_URL=https://linea-xp-poh-api.linea.build
+
+CHAIN_ID=11155111
\ No newline at end of file
diff --git a/packages/poh-verifier/Dockerfile b/packages/poh-verifier/Dockerfile
new file mode 100644
index 000000000..b810bcd13
--- /dev/null
+++ b/packages/poh-verifier/Dockerfile
@@ -0,0 +1,19 @@
+FROM node:18
+
+WORKDIR /app
+
+ARG ENV_FILE
+ARG SIGNER_PRIVATE_KEY
+
+ENV SIGNER_PRIVATE_KEY=$SIGNER_PRIVATE_KEY
+
+COPY . .
+
+COPY $ENV_FILE .env
+
+RUN npm install
+RUN npm run build
+
+EXPOSE 3000
+
+CMD ["npm", "start"]
\ No newline at end of file