diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..a78e451c
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,37 @@
+name: CI
+run-name: CI triggered from @${{ github.actor }} of ${{ github.head_ref }}
+
+on:
+    workflow_dispatch:
+    merge_group:
+    pull_request:
+    push:
+      branches:
+        - master
+        - develop
+  
+
+jobs:
+  build_and_run:
+    runs-on: ubuntu-8
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+      with:
+        driver-opts: network=host
+
+    - name: Cache Docker layers
+      uses: actions/cache@v3
+      with:
+        path: /tmp/.buildx-cache
+        key: ${{ runner.os }}-buildx-${{ hashFiles('Dockerfile') }}
+        restore-keys: ${{ runner.os }}-buildx-
+          
+    - name:  Startup Nitro testnode
+      run: ${{ github.workspace }}/.github/workflows/testnode.bash
diff --git a/.github/workflows/testnode.bash b/.github/workflows/testnode.bash
new file mode 100755
index 00000000..1e191417
--- /dev/null
+++ b/.github/workflows/testnode.bash
@@ -0,0 +1,40 @@
+#!/bin/bash
+# The script starts up the test node and waits until the timeout (10min) or 
+# until send-l2 succeeds.
+GITHUB_WORKSPACE=.
+# Start the test node and get PID, to terminate it once send-l2 is done.
+${GITHUB_WORKSPACE}/test-node.bash --init > output.log 2>&1 &
+PID=$!
+
+sleep 5m
+
+START=$(date +%s)
+SUCCEDED=0
+
+while true; do
+    if ${GITHUB_WORKSPACE}/test-node.bash script send-l2 --ethamount 100 --to user_l2user --wait; then
+        echo "Sending l2 transaction succeeded"
+        SUCCEDED=1
+        break
+    fi
+
+    # Check if the timeout (10 min) has been reached.
+    NOW=$(date +%s)
+    DIFF=$((NOW - START))
+    if [ "$DIFF" -ge 600 ]; then
+        echo "Timed out"
+        break
+    fi
+
+    sleep 10
+done
+
+# Shut down the test node and wait for it to terminate.
+kill $PID
+wait $PID
+
+if [ "$SUCCEDED" -eq 0 ]; then
+    exit 1
+fi
+
+exit 0
diff --git a/scripts/accounts.ts b/scripts/accounts.ts
index 73de095a..20c1cbbe 100644
--- a/scripts/accounts.ts
+++ b/scripts/accounts.ts
@@ -85,10 +85,11 @@ export function namedAddress(
 
 export const namedAccountHelpString =
   "Valid account names:\n" +
-  "  funnel | sequencer | validator - known keys\n" +
-  "  user_[Alphanumeric]            - key will be generated from username\n" +
-  "  threaduser_[Alphanumeric]      - same as user_[Alphanumeric]_thread_[thread-id]\n" +
-  "  key_0x[full private key]       - user with specified private key\n" +
+  "  funnel | sequencer | validator | l2owner - known keys used by l2\n" +
+  "  l3owner | l3sequencer                    - known keys used by l3\n" +
+  "  user_[Alphanumeric]                      - key will be generated from username\n" +
+  "  threaduser_[Alphanumeric]                - same as user_[Alphanumeric]_thread_[thread-id]\n" +
+  "  key_0x[full private key]                 - user with specified private key\n" +
   "\n" +
   "Valid addresses: any account name, or\n" +
   "  address_0x[full eth address]\n" +
@@ -123,7 +124,7 @@ export const printPrivateKeyCommand = {
   builder: {
     account: {
       string: true,
-      describe: "address (see general help)",
+      describe: "account (see general help)",
       default: "funnel",
     },
   },