diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 3977f1c..8d649b4 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -16,7 +16,7 @@ jobs:
     #   - https://gh.io/supported-runners-and-hardware-resources
     #   - https://gh.io/using-larger-runners
     # Consider using larger runners for possible analysis time improvements.
-    runs-on: 'ubuntu-latest-4-cores'
+    runs-on: ubuntu-latest
     timeout-minutes: 30
     permissions:
       security-events: write
@@ -48,7 +48,7 @@ jobs:
 
       - name: Autobuild
         uses: github/codeql-action/autobuild@v3
-        continue-on-error: true          
+        continue-on-error: true
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3
diff --git a/.github/workflows/deploy_and_release.yml b/.github/workflows/deploy_and_release.yml
index 641845c..74c7b76 100644
--- a/.github/workflows/deploy_and_release.yml
+++ b/.github/workflows/deploy_and_release.yml
@@ -21,6 +21,7 @@ jobs:
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
           PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
           QUICKNODE_ETH_MAINNET_API_KEY: ${{ secrets.QUICKNODE_ETH_MAINNET_API_KEY }}
           QUICKNODE_ETH_HOLESKY_API_KEY: ${{ secrets.QUICKNODE_ETH_HOLESKY_API_KEY }}
           QUICKNODE_ARBITRUM_SEPOLIA_API_KEY: ${{ secrets.QUICKNODE_ARBITRUM_SEPOLIA_API_KEY }}
@@ -38,7 +39,7 @@ jobs:
           BASESCAN_API_KEY: ${{ secrets.BASESCAN_API_KEY }}
           BARTIO_BERA_EXPLORER_API_KEY: ${{ secrets.BARTIO_BERA_EXPLORER_API_KEY }}
           OAS_EXPLORER_API_KEY: ${{ secrets.OAS_EXPLORER_API_KEY }}
-          CORE_DAO_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_EXPLORER_API_KEY }}
+          CORE_DAO_TESTNET_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_TESTNET_EXPLORER_API_KEY }}
   get-network:
     runs-on: ubuntu-latest
     needs: [lint-and-test]
@@ -76,6 +77,7 @@ jobs:
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
           PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
           QUICKNODE_ETH_HOLESKY_API_KEY: ${{ secrets.QUICKNODE_ETH_HOLESKY_API_KEY }}
           QUICKNODE_ARBITRUM_SEPOLIA_API_KEY: ${{ secrets.QUICKNODE_ARBITRUM_SEPOLIA_API_KEY }}
           QUICKNODE_OPTIMISM_SEPOLIA_API_KEY: ${{ secrets.QUICKNODE_OPTIMISM_SEPOLIA_API_KEY }}
@@ -90,7 +92,7 @@ jobs:
           BASESCAN_API_KEY: ${{ secrets.BASESCAN_API_KEY }}
           BARTIO_BERA_EXPLORER_API_KEY: ${{ secrets.BARTIO_BERA_EXPLORER_API_KEY }}
           OAS_EXPLORER_API_KEY: ${{ secrets.OAS_EXPLORER_API_KEY }}
-          CORE_DAO_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_EXPLORER_API_KEY }}
+          CORE_DAO_TESTNET_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_TESTNET_EXPLORER_API_KEY }}
       - name: Update release notes
         uses: actions/github-script@v6
         with:
@@ -139,6 +141,7 @@ jobs:
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
           PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
           QUICKNODE_ETH_MAINNET_API_KEY: ${{ secrets.QUICKNODE_ETH_MAINNET_API_KEY }}
           ETHERSCAN_API_KEY: ${{ secrets.ETHERSCAN_API_KEY }}
           ALCHEMY_POLYGON_API_KEY: ${{ secrets.ALCHEMY_POLYGON_API_KEY }}
diff --git a/.github/workflows/deploy_batcher_contract.yml b/.github/workflows/deploy_batcher_contract.yml
index f09ff09..4b33a73 100644
--- a/.github/workflows/deploy_batcher_contract.yml
+++ b/.github/workflows/deploy_batcher_contract.yml
@@ -16,6 +16,11 @@ jobs:
     - run: npm run lint
     - run: npm run test
       env:
+        MAINNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT: ${{ secrets.MAINNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT }}
+        TESTNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT: ${{ secrets.TESTNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT }}
+        PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
+        PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
+        PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
         PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
         QUICKNODE_ETH_MAINNET_API_KEY: ${{ secrets.QUICKNODE_ETH_MAINNET_API_KEY }}
         QUICKNODE_ETH_HOLESKY_API_KEY: ${{ secrets.QUICKNODE_ETH_HOLESKY_API_KEY }}
@@ -34,7 +39,7 @@ jobs:
         BASESCAN_API_KEY: ${{ secrets.BASESCAN_API_KEY }}
         BARTIO_BERA_EXPLORER_API_KEY: ${{ secrets.BARTIO_BERA_EXPLORER_API_KEY }}
         OAS_EXPLORER_API_KEY: ${{ secrets.OAS_EXPLORER_API_KEY }}
-        CORE_DAO_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_EXPLORER_API_KEY }}
+        CORE_DAO_TESTNET_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_TESTNET_EXPLORER_API_KEY }}
   get-network:
     runs-on: ubuntu-latest
     needs: [lint-and-test]
@@ -71,6 +76,11 @@ jobs:
       - run: npm install
       - run: npm run deploy-batcher --network ${{ needs.get-network.outputs.network }}
         env:
+          MAINNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT: ${{ secrets.MAINNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT }}
+          TESTNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT: ${{ secrets.TESTNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
+          PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
           PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
           QUICKNODE_ETH_HOLESKY_API_KEY: ${{ secrets.QUICKNODE_ETH_HOLESKY_API_KEY }}
           QUICKNODE_ARBITRUM_SEPOLIA_API_KEY: ${{ secrets.QUICKNODE_ARBITRUM_SEPOLIA_API_KEY }}
@@ -86,7 +96,7 @@ jobs:
           BASESCAN_API_KEY: ${{ secrets.BASESCAN_API_KEY }}
           BARTIO_BERA_EXPLORER_API_KEY: ${{ secrets.BARTIO_BERA_EXPLORER_API_KEY }}
           OAS_EXPLORER_API_KEY: ${{ secrets.OAS_EXPLORER_API_KEY }}
-          CORE_DAO_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_EXPLORER_API_KEY }}
+          CORE_DAO_TESTNET_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_TESTNET_EXPLORER_API_KEY }}
       - name: Update release notes
         uses: actions/github-script@v7
         with:
@@ -110,6 +120,11 @@ jobs:
       - run: npm install
       - run: npm run deploy-batcher --network ${{ needs.get-network.outputs.network }}
         env:
+          MAINNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT: ${{ secrets.MAINNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT }}
+          TESTNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT: ${{ secrets.TESTNET_PRIVATE_KEY_FOR_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
+          PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
           PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
           QUICKNODE_ETH_MAINNET_API_KEY: ${{ secrets.QUICKNODE_ETH_MAINNET_API_KEY }}
           ETHERSCAN_API_KEY: ${{ secrets.ETHERSCAN_API_KEY }}
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 827807e..74b2ae9 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -29,6 +29,7 @@ jobs:
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT }}
           PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP: ${{ secrets.PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT_BACKUP }}
           PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_V1_WALLET_CONTRACT_DEPLOYMENT }}
+          PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT: ${{ secrets.PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT }}
           QUICKNODE_ETH_MAINNET_API_KEY: ${{ secrets.QUICKNODE_ETH_MAINNET_API_KEY }}
           QUICKNODE_ETH_HOLESKY_API_KEY: ${{ secrets.QUICKNODE_ETH_HOLESKY_API_KEY }}
           QUICKNODE_ARBITRUM_SEPOLIA_API_KEY: ${{ secrets.QUICKNODE_ARBITRUM_SEPOLIA_API_KEY }}
@@ -46,5 +47,5 @@ jobs:
           BASESCAN_API_KEY: ${{ secrets.BASESCAN_API_KEY }}
           BARTIO_BERA_EXPLORER_API_KEY: ${{ secrets.BARTIO_BERA_EXPLORER_API_KEY }}
           OAS_EXPLORER_API_KEY: ${{ secrets.OAS_EXPLORER_API_KEY }}
-          CORE_DAO_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_EXPLORER_API_KEY }}
+          CORE_DAO_TESTNET_EXPLORER_API_KEY: ${{ secrets.CORE_DAO_TESTNET_EXPLORER_API_KEY }}
       - run: npm run lint
diff --git a/hardhat.config.ts b/hardhat.config.ts
index ed7ac4a..3bc3e16 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -32,7 +32,7 @@ const {
   BASESCAN_API_KEY,
   BARTIO_BERA_EXPLORER_API_KEY,
   OAS_EXPLORER_API_KEY,
-  CORE_DAO_EXPLORER_API_KEY
+  CORE_DAO_TESTNET_EXPLORER_API_KEY
 } = process.env;
 
 const config: HardhatUserConfig = {
@@ -138,11 +138,19 @@ const config: HardhatUserConfig = {
     },
     toas: {
       url: `https://rpc.testnet.oasys.games`,
-      accounts: [`${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`]
+      accounts: [
+        `${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`,
+        `${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`,
+        `${PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT}`
+      ]
     },
     tcoredao: {
       url: `https://rpc.test.btcs.network`,
-      accounts: [`${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`]
+      accounts: [
+        `${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`,
+        `${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`,
+        `${PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT}`
+      ]
     },
     tavaxc: {
       url: 'https://api.avax-test.network/ext/C/rpc',
@@ -185,7 +193,7 @@ const config: HardhatUserConfig = {
       //OAS
       oasTestnet: `${OAS_EXPLORER_API_KEY}`,
       //Core Dao
-      coredaoTestnet: `${CORE_DAO_EXPLORER_API_KEY}`,
+      coredaoTestnet: `${CORE_DAO_TESTNET_EXPLORER_API_KEY}`,
       //avaxc
       // there is free api key for avaxc, so make use of 2 req/sec
       avaxc: 'sampleapikey',
@@ -253,7 +261,7 @@ const config: HardhatUserConfig = {
         network: 'coredaoTestnet',
         chainId: 1115,
         urls: {
-          apiURL: 'https://scan.test.btcs.network/api',
+          apiURL: 'https://api.test.btcs.network/api',
           browserURL: 'https://scan.test.btcs.network'
         }
       },
diff --git a/scripts/deployBatcherContract.ts b/scripts/deployBatcherContract.ts
index 67c5c14..2bf126b 100644
--- a/scripts/deployBatcherContract.ts
+++ b/scripts/deployBatcherContract.ts
@@ -10,7 +10,12 @@ async function main() {
   const contractName = 'Batcher';
   const transferGasLimit = '200000';
 
-  const Batcher = await ethers.getContractFactory(contractName);
+  const signers = await ethers.getSigners();
+  const batcherDeployer = signers[2];
+  const Batcher = await ethers.getContractFactory(
+    contractName,
+    batcherDeployer
+  );
   const batcher = await Batcher.deploy(transferGasLimit);
   await batcher.deployed();
   output.batcher = batcher.address;