diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 125d2c8..3ea1274 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,65 +16,70 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-    - uses: actions/checkout@v3
-
-    - name: Install Docker Compose via Package Manager
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y docker-compose
-      shell: bash
-
-    - name: Verify Docker Compose Installation
-      run: docker-compose --version
-      shell: bash
-
-    - name: Start a private ethereum network
-      uses: ./.github/actions/geth
-      id: geth
-
-    - name: Sleep for 20 seconds
-      run: sleep 20s
-      shell: bash
-
-    - name: Get latest block from geth node
-      run: |
-        curl -X POST "http://127.0.0.1:8546" --header 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", true],"id":1}'
-      shell: bash
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install web3
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install web3==5.31.3
-      shell: bash
-
-    - name: deploy erc20 USDC
-      run: .github/scripts/init_erc20.sh
-      shell: bash
-
-    - name: Get erc20 infos
-      run: python .github/scripts/contract_infos.py
-      shell: bash
-
-    - name: Populate transactions
-      run: python .github/scripts/populate_txns.py
-      shell: bash
-
-    - name: Start Rosetta Server
-      run: .github/scripts/setup.sh
-      shell: bash
-
-    - name: Run Check:construction test
-      run: .github/scripts/construction.sh
-      shell: bash
-
-    - name: Run Check:data test
-      run: .github/scripts/cli.sh
-      shell: bash
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.9"
+
+      - name: Install Docker Compose via Package Manager
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y docker-compose
+        shell: bash
+
+      - name: Verify Docker Compose Installation
+        run: docker-compose --version
+        shell: bash
+
+      - name: Start a private ethereum network
+        uses: ./.github/actions/geth
+        id: geth
+
+      - name: Sleep for 20 seconds
+        run: sleep 20s
+        shell: bash
+
+      - name: Get latest block from geth node
+        run: |
+          curl -X POST "http://127.0.0.1:8546" --header 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", true],"id":1}'
+        shell: bash
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install web3
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install web3==5.31.3
+        shell: bash
+
+      - name: deploy erc20 USDC
+        run: .github/scripts/init_erc20.sh
+        shell: bash
+
+      - name: Get erc20 infos
+        run: python .github/scripts/contract_infos.py
+        shell: bash
+
+      - name: Populate transactions
+        run: python .github/scripts/populate_txns.py
+        shell: bash
+
+      - name: Start Rosetta Server
+        run: .github/scripts/setup.sh
+        shell: bash
+
+      - name: Run Check:construction test
+        run: .github/scripts/construction.sh
+        shell: bash
+
+      - name: Run Check:data test
+        run: .github/scripts/cli.sh
+        shell: bash
 
   Test:
     runs-on: ubuntu-latest
diff --git a/configuration/configuration.go b/configuration/configuration.go
index d531d8e..08fbb90 100644
--- a/configuration/configuration.go
+++ b/configuration/configuration.go
@@ -131,6 +131,10 @@ type RosettaConfig struct {
 
 	// ForwardHeaders is the list of headers to forward to and from the native node
 	ForwardHeaders []string
+
+	// Functor to access allowlisted tokens.
+	// This should be defined in rosetta-xxx implementation if needed
+	TokenWhitelistAccessor func() ([]Token, error)
 }
 
 type Token struct {
diff --git a/services/block_service.go b/services/block_service.go
index fd2e2d5..036077a 100644
--- a/services/block_service.go
+++ b/services/block_service.go
@@ -132,9 +132,21 @@ func (s *BlockAPIService) PopulateTransaction(
 		receiptLogs = tx.Receipt.Logs
 	}
 
-	filterTokens := s.client.GetRosettaConfig().FilterTokens
-	tokenWhiteList := s.client.GetRosettaConfig().TokenWhiteList
-	useTokenWhiteListMetadata := s.client.GetRosettaConfig().UseTokenWhiteListMetadata
+	rosettaConfig := s.client.GetRosettaConfig()
+	filterTokens := rosettaConfig.FilterTokens
+
+	if rosettaConfig.TokenWhitelistAccessor != nil {
+		whitelist, err := rosettaConfig.TokenWhitelistAccessor()
+		if err != nil {
+			return nil, fmt.Errorf("could not get token whitelist: %w", err)
+		}
+
+		rosettaConfig.TokenWhiteList = whitelist
+	}
+
+	tokenWhiteList := rosettaConfig.TokenWhiteList
+
+	useTokenWhiteListMetadata := rosettaConfig.UseTokenWhiteListMetadata
 	indexUnknownTokens := s.config.RosettaCfg.IndexUnknownTokens
 
 	// Compute tx operations via tx.Receipt logs for ERC20 transfer, mint and burn