diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 81b821c93c..59c20a0416 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -3,46 +3,49 @@ name: Tests
 on: [push, pull_request]
 
 jobs:
+
   check:
     name: Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest # Okay to just use one here
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
+      
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+    
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+      - name: Checkout sources
+        uses: actions/checkout@v3
 
       - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        uses: Swatinem/rust-cache@v2
+
+      - name: Configure sccache env var
+        run: |
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
+          echo "SCCACHE_DIR=$HOME/.cache/sccache" >> $GITHUB_ENV
+
+      - name: Run sccache-cache
+        uses: mozilla-actions/sccache-action@v0.0.3
 
       - name: Run cargo check
         run: cargo check --tests --workspace --benches
 
-  test:
+  tests:
     name: Test Suite
-    # runs-on: ${{ matrix.os }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
-      # matrix:
-      #   os: [ ubuntu-latest, macos-latest, windows-latest ]
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
     steps:
-      # Clean unnecessary files to save disk space
+
+        # Clean unnecessary files to save disk space
       - name: clean unnecessary files to save space
+        if: runner.os == 'Linux'
         run: |
           docker rmi `docker images -q`
           sudo rm -rf /usr/share/dotnet /etc/mysql /etc/php /etc/sudo apt/sources.list.d
@@ -67,6 +70,7 @@ jobs:
 
       # Free up disk space on Ubuntu
       - name: Free Disk Space (Ubuntu)
+        if: runner.os == 'Linux'
         uses: jlumbroso/free-disk-space@main
         with:
           # This might remove tools that are actually needed, if set to "true" but frees about 6 GB
@@ -78,38 +82,36 @@ jobs:
           large-packages: false
 
           swap-storage: true
+      
 
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
-      - name: Fix CRLF on Windows
-        if: runner.os == 'Windows'
-        run: git config --global core.autocrlf false
-
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+  
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
-      
-      - name: Set up cache
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - name: Cache
         uses: Swatinem/rust-cache@v2
+
+      - name: Configure sccache env var
+        run: |
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
+          echo "SCCACHE_DIR=$HOME/.cache/sccache" >> $GITHUB_ENV
+
+      - name: Run sccache-cache
+        uses: mozilla-actions/sccache-action@v0.0.3
       
       - name: Install cargo-nextest
         run: cargo install cargo-nextest
 
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Fix CRLF on Windows
+        if: runner.os == 'Windows'
+        run: git config --global core.autocrlf false
 
       - name: Run cargo build with devnet-prealloc feature
         run: cargo build --release --features devnet-prealloc --workspace --all --tests --benches
@@ -125,6 +127,10 @@ jobs:
 
       - name: Run cargo doc tests with features=no-asm on kaspa-hashes
         run: cargo test --doc --release -p kaspa-hashes --features=no-asm
+      
+      - name: Run sccache stat for check
+        shell: bash
+        run: ${SCCACHE_PATH} --show-stats
 
   # test-release:
   #   name: Test Suite Release
@@ -177,31 +183,19 @@ jobs:
 
   lints:
     name: Lints
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest # one os is okay for lints
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
 
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          components: rustfmt, clippy
-
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Checkout sources
+        uses: actions/checkout@v3
 
       - name: Run cargo fmt
         run: cargo fmt --all -- --check
@@ -214,14 +208,18 @@ jobs:
     name: Check Wasm32
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
 
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
       - name: Install llvm
         id: install_llvm
         continue-on-error: true
@@ -244,26 +242,11 @@ jobs:
           sudo apt-get update
           sudo apt install -y gcc-multilib
 
-      - name: Install stable toolchain
-        if: steps.install_llvm.outcome == 'success' && steps.install_llvm.conclusion == 'success'
-        uses: dtolnay/rust-toolchain@stable
-
       - name: Add wasm32 target
         run: rustup target add wasm32-unknown-unknown
 
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
       # append here any new wasm32 crate not already covered by the existing checks
-
+                 
       - name: Run cargo check of kaspa-wrpc-wasm for wasm32 target
         run: cargo clippy -p kaspa-wrpc-wasm --target wasm32-unknown-unknown
 
@@ -277,13 +260,25 @@ jobs:
     name: Build Wasm32
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
+      
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
 
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+      
+      - name: Cache
+        uses: Swatinem/rust-cache@v2
+
+      - name: Configure sccache env var
+        run: |
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
+          echo "SCCACHE_DIR=$HOME/.cache/sccache" >> $GITHUB_ENV
+
+      - name: Run sccache-cache
+        uses: mozilla-actions/sccache-action@v0.0.3
 
       - name: Install llvm
         id: install_llvm
@@ -307,56 +302,90 @@ jobs:
           sudo apt-get update
           sudo apt install -y gcc-multilib
 
-      - name: Install stable toolchain
-        if: steps.install_llvm.outcome == 'success' && steps.install_llvm.conclusion == 'success'
-        uses: dtolnay/rust-toolchain@stable
-
       - name: Install wasm-pack
         run: cargo install wasm-pack
 
       - name: Add wasm32 target
         run: rustup target add wasm32-unknown-unknown
 
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
       - name: Build wasm pack for nodejs
         run: cd wasm && wasm-pack build --target nodejs --out-dir nodejs/kaspa --features full
 
   build-release:
-    name: Build Ubuntu Release
-    runs-on: ubuntu-latest
+    name: Release
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest ]
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
+      # Clean unnecessary files to save disk space
+      - name: clean unnecessary files to save space
+        if: runner.os == 'Linux'
+        run: |
+          docker rmi `docker images -q`
+          sudo rm -rf /usr/share/dotnet /etc/mysql /etc/php /etc/sudo apt/sources.list.d
+          sudo apt -y autoremove --purge
+          sudo apt -y autoclean
+          sudo apt clean
+          rm --recursive --force "$AGENT_TOOLSDIRECTORY"
+          df -h          
+
+          # remove large packages manually (all but llvm)
+          sudo apt-get remove -y '^aspnetcore-.*' || echo "::warning::The command [sudo apt-get remove -y '^aspnetcore-.*'] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y '^dotnet-.*' --fix-missing || echo "::warning::The command [sudo apt-get remove -y '^dotnet-.*' --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y 'php.*' --fix-missing || echo "::warning::The command [sudo apt-get remove -y 'php.*' --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y '^mongodb-.*' --fix-missing || echo "::warning::The command [sudo apt-get remove -y '^mongodb-.*' --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y '^mysql-.*' --fix-missing || echo "::warning::The command [sudo apt-get remove -y '^mysql-.*' --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel libgl1-mesa-dri --fix-missing || echo "::warning::The command [sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel libgl1-mesa-dri --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y google-cloud-sdk --fix-missing || echo "::debug::The command [sudo apt-get remove -y google-cloud-sdk --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get remove -y google-cloud-cli --fix-missing || echo "::debug::The command [sudo apt-get remove -y google-cloud-cli --fix-missing] failed to complete successfully. Proceeding..."
+          sudo apt-get autoremove -y || echo "::warning::The command [sudo apt-get autoremove -y] failed to complete successfully. Proceeding..."
+          sudo apt-get clean || echo "::warning::The command [sudo apt-get clean] failed to complete successfully. Proceeding..."
+          df -h          
+
+      # Free up disk space on Ubuntu
+      - name: Free Disk Space (Ubuntu)
+        if: runner.os == 'Linux'
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # This might remove tools that are actually needed, if set to "true" but frees about 6 GB
+          tool-cache: false
+
+          # large packages, except llvm, are removed manually during the previous step
+          # see: https://github.com/jlumbroso/free-disk-space/issues/6
+          # TODO: use the discussed whitelist feature when available
+          large-packages: false
+
+          swap-storage: true
+      
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
 
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+      - name: Checkout sources
+        uses: actions/checkout@v3
 
       - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        uses: Swatinem/rust-cache@v2
+
+      - name: Configure sccache env var
+        run: |
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
+          echo "SCCACHE_DIR=$HOME/.cache/sccache" >> $GITHUB_ENV
 
+      - name: Run sccache-cache
+        uses: mozilla-actions/sccache-action@v0.0.3
+
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+     
       - name: Install zig
         if: runner.os == 'Linux'
         uses: goto-bus-stop/setup-zig@v2 # needed for cargo-zigbuild
@@ -367,3 +396,15 @@ jobs:
         run: |
           cargo install cargo-zigbuild
           cargo --verbose zigbuild --bin kaspad --bin simpa --bin rothschild --release --target x86_64-unknown-linux-gnu.2.27 # Use an older glibc version
+
+      - name: Build on MacOS
+        if: runner.os == 'MacOS'
+        run: cargo build --release
+      
+      - name: Build on Windows
+        if: runner.os == 'Windows'
+        run: cargo build --release
+      
+      - name: Run sccache stat for check
+        shell: bash
+        run: ${SCCACHE_PATH} --show-stats