diff --git a/actions/compute-asset-hash/action.yml b/actions/compute-asset-hash/action.yml
new file mode 100644
index 0000000..e7c5831
--- /dev/null
+++ b/actions/compute-asset-hash/action.yml
@@ -0,0 +1,37 @@
+name: 'Compute Asset Cache Hash'
+description: 'Compute hash from mining-pool-logos and mempool-promo HEAD SHAs for cache keys'
+
+inputs:
+  github-token:
+    description: 'GitHub token for API access'
+    required: true
+  cache-version:
+    description: 'Cache version fallback when remote SHA lookup fails'
+    required: false
+    default: 'v1'
+
+outputs:
+  hash:
+    description: 'Hash used for cache keys (12-char sha256 of both SHAs or cache-version)'
+    value: ${{ steps.compute-hash.outputs.hash }}
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Compute asset cache key from remote SHAs
+      id: compute-hash
+      shell: bash
+      env:
+        FALLBACK_VERSION: ${{ inputs.cache-version }}
+      run: |
+        AUTH_HEADER="Authorization: Bearer ${{ inputs.github-token }}"
+        LOGOS_SHA=$(curl -sf -H "$AUTH_HEADER" -H "X-GitHub-Api-Version: 2022-11-28" \
+          "https://api.github.com/repos/mempool/mining-pool-logos/commits/HEAD" 2>/dev/null | jq -r '.sha // empty') || true
+        PROMO_SHA=$(curl -sf -H "$AUTH_HEADER" -H "X-GitHub-Api-Version: 2022-11-28" \
+          "https://api.github.com/repos/mempool/mempool-promo/commits/HEAD" 2>/dev/null | jq -r '.sha // empty') || true
+        if [[ -n "$LOGOS_SHA" && -n "$PROMO_SHA" ]]; then
+          HASH=$(echo -n "${LOGOS_SHA}${PROMO_SHA}" | sha256sum | cut -c1-12)
+        else
+          HASH="$FALLBACK_VERSION"
+        fi
+        echo "hash=$HASH" >> $GITHUB_OUTPUT
diff --git a/actions/restore-assets/action.yml b/actions/restore-assets/action.yml
index c08d4ef..bcffedb 100644
--- a/actions/restore-assets/action.yml
+++ b/actions/restore-assets/action.yml
@@ -30,21 +30,10 @@ runs:
   steps:
     - name: Compute asset cache key from remote SHAs
       id: asset-hash
-      shell: bash
-      env:
-        FALLBACK_VERSION: ${{ inputs.cache-version }}
-      run: |
-        AUTH_HEADER="Authorization: Bearer ${{ inputs.github-token }}"
-        LOGOS_SHA=$(curl -sf -H "$AUTH_HEADER" -H "X-GitHub-Api-Version: 2022-11-28" \
-          "https://api.github.com/repos/mempool/mining-pool-logos/commits/HEAD" 2>/dev/null | jq -r '.sha // empty') || true
-        PROMO_SHA=$(curl -sf -H "$AUTH_HEADER" -H "X-GitHub-Api-Version: 2022-11-28" \
-          "https://api.github.com/repos/mempool/mempool-promo/commits/HEAD" 2>/dev/null | jq -r '.sha // empty') || true
-        if [[ -n "$LOGOS_SHA" && -n "$PROMO_SHA" ]]; then
-          HASH=$(echo -n "${LOGOS_SHA}${PROMO_SHA}" | sha256sum | cut -c1-12)
-        else
-          HASH="$FALLBACK_VERSION"
-        fi
-        echo "hash=$HASH" >> $GITHUB_OUTPUT
+      uses: ./.github/actions/compute-asset-hash
+      with:
+        github-token: ${{ inputs.github-token }}
+        cache-version: ${{ inputs.cache-version }}
 
     - name: Restore cached mining pool assets
       continue-on-error: true
@@ -54,7 +43,7 @@ runs:
         path: mining-pool-assets.zip
         key: mining-pool-assets-${{ steps.asset-hash.outputs.hash }}
         restore-keys: |
-          mining-pool-assets-${{ steps.asset-hash.outputs.hash }}
+          mining-pool-assets-
 
     - name: Restore cached promo video assets
       continue-on-error: true
@@ -64,7 +53,7 @@ runs:
         path: promo-video-assets.zip
         key: promo-video-assets-${{ steps.asset-hash.outputs.hash }}
         restore-keys: |
-          promo-video-assets-${{ steps.asset-hash.outputs.hash }}
+          promo-video-assets-
 
     - name: Download mining pool artifact
       continue-on-error: true
diff --git a/actions/sync-assets/action.yml b/actions/sync-assets/action.yml
index 8f4c9e2..c079d33 100644
--- a/actions/sync-assets/action.yml
+++ b/actions/sync-assets/action.yml
@@ -27,21 +27,10 @@ runs:
   steps:
     - name: Compute asset cache key from remote SHAs
       id: asset-hash
-      shell: bash
-      env:
-        FALLBACK_VERSION: ${{ inputs.cache-version }}
-      run: |
-        AUTH_HEADER="Authorization: Bearer ${{ inputs.github-token }}"
-        LOGOS_SHA=$(curl -sf -H "$AUTH_HEADER" -H "X-GitHub-Api-Version: 2022-11-28" \
-          "https://api.github.com/repos/mempool/mining-pool-logos/commits/HEAD" 2>/dev/null | jq -r '.sha // empty') || true
-        PROMO_SHA=$(curl -sf -H "$AUTH_HEADER" -H "X-GitHub-Api-Version: 2022-11-28" \
-          "https://api.github.com/repos/mempool/mempool-promo/commits/HEAD" 2>/dev/null | jq -r '.sha // empty') || true
-        if [[ -n "$LOGOS_SHA" && -n "$PROMO_SHA" ]]; then
-          HASH=$(echo -n "${LOGOS_SHA}${PROMO_SHA}" | sha256sum | cut -c1-12)
-        else
-          HASH="$FALLBACK_VERSION"
-        fi
-        echo "hash=$HASH" >> $GITHUB_OUTPUT
+      uses: ./.github/actions/compute-asset-hash
+      with:
+        github-token: ${{ inputs.github-token }}
+        cache-version: ${{ inputs.cache-version }}
 
     # Cache miss is success with cache-hit=false; only real errors (network, permissions) fail the step.
     - name: Restore cached mining pool assets
@@ -51,7 +40,7 @@ runs:
         path: mining-pool-assets.zip
         key: mining-pool-assets-${{ steps.asset-hash.outputs.hash }}
         restore-keys: |
-          mining-pool-assets-${{ steps.asset-hash.outputs.hash }}
+          mining-pool-assets-
 
     # Cache miss is success with cache-hit=false; only real errors (network, permissions) fail the step.
     - name: Restore cached promo video assets
@@ -61,7 +50,7 @@ runs:
         path: promo-video-assets.zip
         key: promo-video-assets-${{ steps.asset-hash.outputs.hash }}
         restore-keys: |
-          promo-video-assets-${{ steps.asset-hash.outputs.hash }}
+          promo-video-assets-
 
     - name: Unzip mining pool assets before sync
       continue-on-error: true