diff --git a/.github/workflows/actionlint-exceptions.txt b/.github/workflows/actionlint-exceptions.txt
deleted file mode 100644
index 74f116c2684..00000000000
--- a/.github/workflows/actionlint-exceptions.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-.github/workflows/haskell.yml
-.github/workflows/release-ghcr.yaml
-.github/workflows/release-upload.yaml
-.github/workflows/stylish-haskell.yml
diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
deleted file mode 100644
index 01b989474df..00000000000
--- a/.github/workflows/actionlint.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-name: Actionlint
-
-on:
-  merge_group:
-  pull_request:
-
-jobs:
-  actionlint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      # We want to install Nix to provision shellcheck, so that actionlint doesn't install
-      # its own shellcheck. This will also make sure that this pipeline runs using
-      # the same shellcheck as the ones in Nix shells of developers.
-      - name: Install Nix with good defaults
-        uses: input-output-hk/install-nix-action@v20
-        with:
-          extra_nix_config: |
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
-            substituters = https://cache.nixos.org/ https://cache.iog.io/
-          nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/install-nix-action@v18
-        with:
-          nix_path: nixpkgs=channel:nixos-unstable
-      # Make the Nix environment available to next steps
-      - uses: rrbutani/use-nix-shell-action@v1
-
-      - name: actionlint
-        run: |
-          for file in $(git ls-files ".github/workflows/*.y*ml")
-          do
-            if grep -q "$file" ".github/workflows/actionlint-exceptions.txt"
-            then
-              echo "⚠️ $file is ignored from actionlint's verifications. Please consider fixing it."
-            else
-              echo "actionlint $file"
-              actionlint "$file"
-            fi
-          done
diff --git a/.github/workflows/cabal.project.local.ci b/.github/workflows/cabal.project.local.ci
deleted file mode 100644
index 6a1d077fa8e..00000000000
--- a/.github/workflows/cabal.project.local.ci
+++ /dev/null
@@ -1,2 +0,0 @@
-package HsOpenSSL
-  flags: +use-pkg-config
diff --git a/.github/workflows/check-cabal-files.yml b/.github/workflows/check-cabal-files.yml
deleted file mode 100644
index f30d2e80f18..00000000000
--- a/.github/workflows/check-cabal-files.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: Check cabal files
-
-on:
-  pull_request: # Required for workflows to be able to be approved from forks
-  merge_group:
-
-jobs:
-  check-cabal-files:
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Install Haskell
-      uses: input-output-hk/actions/haskell@latest
-      id: setup-haskell
-      with:
-        cabal-version: "3.10.2.0"
-
-    - uses: actions/checkout@v3
-
-    - name: Cabal check
-      run: ./scripts/ci/check-cabal-files.sh
diff --git a/.github/workflows/check-git-dependencies.yml b/.github/workflows/check-git-dependencies.yml
deleted file mode 100644
index 2ca0c42be03..00000000000
--- a/.github/workflows/check-git-dependencies.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: Check git dependencies
-
-on:
-  pull_request: # Required for workflows to be able to be approved from forks
-  merge_group:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-
-    - uses: actions/checkout@v3
-
-    - name: Check git dependencies
-      run: |
-        .github/bin/check-git-dependencies
diff --git a/.github/workflows/check-hlint.yml b/.github/workflows/check-hlint.yml
deleted file mode 100644
index 33376132a33..00000000000
--- a/.github/workflows/check-hlint.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-name: Check HLint
-
-on:
-  pull_request: # Required for workflows to be able to be approved from forks
-  merge_group:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-
-    - uses: actions/checkout@v3
-
-    - name: Install dependencies
-      run: |
-        sudo apt-get -y install libtinfo5
-
-    - name: 'Set up HLint'
-      uses: rwe/actions-hlint-setup@v1
-      with:
-        version: 3.3
-
-    - name: 'Run HLint'
-      uses: rwe/actions-hlint-run@v2
diff --git a/.github/workflows/check-mainnet-config.yml b/.github/workflows/check-mainnet-config.yml
deleted file mode 100644
index acbbc250811..00000000000
--- a/.github/workflows/check-mainnet-config.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-name: Check mainnet configuration
-
-on:
-  push:
-  merge_group:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-
-    - name: Install Nix
-      uses: cachix/install-nix-action@v27
-      with:
-        # Use last stable nixos channel and the same nix as in channel:
-        nix_path: nixpkgs=channel:nixos-24.05
-        github_access_token: ${{ secrets.GITHUB_TOKEN }}
-        extra_nix_config: |
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-          experimental-features = nix-command flakes
-          allow-import-from-derivation = true
-          substituters = https://cache.nixos.org https://cache.iog.io
-          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-
-    - uses: actions/checkout@v3
-
-    - name: Refresh cardano-node mainnet configuration
-      run: |
-        nix build --no-update-lock-file .#hydraJobs.cardano-deployment
-
-    - name: Check if configuration from nix is a superset of in-repo configuration
-      run: |
-        set -uo pipefail
-
-        test_files=(
-          'mainnet-alonzo-genesis.json'
-          'mainnet-byron-genesis.json'
-          'mainnet-config.json'
-          'mainnet-shelley-genesis.json'
-          'mainnet-topology.json'
-        )
-
-        for f in "${test_files[@]}"; do
-          nix_file="result/$f"
-          repo_file="configuration/cardano/$f"
-          if ! jq -e --slurpfile nix "$nix_file" --slurpfile repo "$repo_file" -n '$repo | reduce keys[] as $k (true; . and $repo[$k] == $nix[$k])' &>/dev/null ; then
-            echo "Nix file $nix_file does not have all the same top-level entries as the file from repository $repo_file"
-            diff "$nix_file" "$repo_file"
-            exit 1
-          fi
-        done
diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
new file mode 100644
index 00000000000..243a786bcd3
--- /dev/null
+++ b/.github/workflows/continuous_integration.yml
@@ -0,0 +1,62 @@
+name: Build
+
+env:
+  NIX_SHELL="github:CardanoSolutions/devx#ghc94-static-minimal-iog"
+  NIX_OPTS="--no-write-lock-file --refresh"
+
+on:
+  push:
+    branches: [ "master", "v*.*.*" ]
+
+jobs:
+  continuous_integration:
+    strategy:
+      matrix:
+        os: [ linux, macos ]
+        arch: [ x86_64, aarch64 ]
+        compiler: [ ghc948 ]
+        exclude:
+          - os: linux
+            arch: aarch64
+          - os: macos
+            arch: x86_64
+
+    runs-on: ${{ (matrix.os == 'linux' && 'ubuntu-latest') || 'macos-latest') }}
+
+    steps:
+
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Install Nix
+      uses: cachix/install-nix-action@v22
+      with:
+        extra_nix_config: |
+          trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= loony-tools:pr9m4BkM/5/eSTZlkQyRt57Jz7OMBxNSUiMC4FkcNfk=
+          substituters = https://cache.zw3rk.com/ https://cache.nixos.org/
+        nix_path: nixpkgs=channel:nixos-unstable
+
+    - name: Prepare Cache
+      shell: bash
+      run: |
+        if [ "$OS" == "macos" ]; then
+          nix develop $NIX_SHELL $NIX_OPTS --command bash -c "cat /nix/store/l0np941gvmpqcgxankbgb7zpl4mj332v-cabal.project.local >> cabal.project.local"
+        else
+          nix develop $NIX_SHELL $NIX_OPTS --command bash -c "cat /nix/store/vd865r55pdbndjwh994h90m35qq77x44-cabal.project.local >> cabal.project.local"
+        fi
+        nix develop $NIX_SHELL $NIX_OPTS --command bash -c "cabal update && cabal freeze"
+
+    - name: Cache
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/.cabal-static/packages
+          ~/.cabal-static/store
+        key: cabal-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.compiler }}-${{ hashFiles('cabal.project.freeze') }}
+        restore-keys: |
+          cabal-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.compiler }}
+
+    - name: Build
+      shell: bash
+      run: |
+	      nix develop $NIX_SHELL $NIX_OPTS --command bash -c "cabal build kupo:exe:kupo"
diff --git a/.github/workflows/github-page.yml b/.github/workflows/github-page.yml
deleted file mode 100644
index 2bfe19bd8ec..00000000000
--- a/.github/workflows/github-page.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: "Haddock documentation"
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-    - name: Install Nix
-      uses: cachix/install-nix-action@v18
-      with:
-        # Use last stable nixos channel and the same nix as in channel:
-        nix_path: nixpkgs=channel:nixos-24.05
-        github_access_token: ${{ secrets.GITHUB_TOKEN }}
-        extra_nix_config: |
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-          experimental-features = nix-command flakes
-          allow-import-from-derivation = true
-          substituters = https://cache.nixos.org https://cache.iog.io
-          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-
-    - uses: actions/checkout@v3
-
-    - name: Fetch nix cache and update cabal indices
-      run: |
-        nix develop .\#project.x86_64-linux.projectVariants.ghc964.shell --command \
-          cabal update
-
-    - name: Build whole project
-      run: |
-        nix develop .\#project.x86_64-linux.projectVariants.ghc964.shell --command \
-          cabal build all
-
-    - name: Build documentation
-      run: |
-        nix develop .\#project.x86_64-linux.projectVariants.ghc964.shell --command \
-          cabal haddock-project --local --output=./haddocks --internal --foreign-libraries
-
-    - name: Compress haddocks
-      run: |
-        tar -czf haddocks.tgz -C haddocks .
-
-    - name: Upload haddocks artifact
-      uses: actions/upload-artifact@v4
-      if: ${{ always() }}
-      continue-on-error: true
-      with:
-        name: haddocks
-        path: ./haddocks.tgz
-
-    - name: Deploy documentation to gh-pages 🚀
-      if: github.ref == 'refs/heads/master'
-      uses: peaceiris/actions-gh-pages@v3
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN || github.token }}
-        publish_dir: haddocks
-        cname: cardano-node.cardano.intersectmbo.org
-        force_orphan: true
diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
deleted file mode 100644
index 3b9bf800118..00000000000
--- a/.github/workflows/haskell.yml
+++ /dev/null
@@ -1,262 +0,0 @@
-name: Haskell CI
-
-on:
-  pull_request: # Required for workflows to be able to be approved from forks
-  merge_group:
-
-  # DO NOT DELETE.
-  # This is required for nightly builds and is invoked by nightly-trigger.yml
-  # on a schedule trigger.
-  workflow_dispatch:
-    inputs:
-      reason:
-        description: 'Reason'
-        required: false
-        default: manual
-      tests:
-        description: 'Tests'
-        required: false
-        default: some
-
-jobs:
-  build:
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        # If you edit these versions, make sure the version in the lonely macos-latest job below is updated accordingly
-        ghc: ["9.6.4", "9.8.1"]
-        cabal: ["3.10.2.1"]
-        os: [windows-latest, ubuntu-latest]
-        include:
-          # Using include, to make sure there will only be one macOS job, even if the matrix gets expanded later on.
-          # We want a single job, because macOS runners are scarce.
-          - os: macos-latest
-            cabal: "3.10.2.1"
-            ghc: "9.6.4"
-
-    env:
-      # Modify this value to "invalidate" the cabal cache.
-      CABAL_CACHE_VERSION: "2024-04-24"
-
-    concurrency:
-      group: >
-        a+${{ github.event_name }}
-        b+${{ github.workflow_ref }}
-        c+${{ github.job }}
-        d+${{ matrix.ghc }}
-        e+${{ matrix.cabal }}
-        f+${{ matrix.os }}
-        g+${{ (startsWith(github.ref, 'refs/heads/gh-readonly-queue/') && github.run_id) || github.event.pull_request.number || github.ref }}
-      cancel-in-progress: true
-
-    steps:
-    - name: Concurrency group
-      run: >
-        echo
-        a+${{ github.event_name }}
-        b+${{ github.workflow_ref }}
-        c+${{ github.job }}
-        d+${{ matrix.ghc }}
-        e+${{ matrix.cabal }}
-        f+${{ matrix.os }}
-        g+${{ (startsWith(github.ref, 'refs/heads/gh-readonly-queue/') && github.run_id) || github.event.pull_request.number || github.ref }}
-
-    - name: Install Haskell
-      uses: input-output-hk/actions/haskell@latest
-      id: setup-haskell
-      with:
-        ghc-version: ${{ matrix.ghc }}
-        cabal-version: ${{ matrix.cabal }}
-
-    - name: Install system dependencies
-      uses: input-output-hk/actions/base@latest
-      with:
-        use-sodium-vrf: true # default is true
-
-    - uses: actions/checkout@v4
-
-    - name: Cabal update
-      run: cabal update
-
-    - name: Configure build
-      shell: bash
-      run: |
-        cp .github/workflows/cabal.project.local.ci cabal.project.local
-        echo "# cabal.project.local"
-        cat cabal.project.local
-
-    # A dry run `build all` operation does *NOT* downlaod anything, it just looks at the package
-    # indices to generate an install plan.
-    - name: Build dry run
-      run: cabal build all --enable-tests --dry-run --minimize-conflict-set
-
-    # From the install plan we generate a dependency list.
-    - name: Record dependencies
-      id: record-deps
-      run: |
-        # The tests call out to msys2 commands. We generally do not want to mix toolchains, so
-        # we are very deliberate about only adding msys64 to the path where absolutely necessary.
-        ${{ (runner.os == 'Windows' && '$env:PATH=("C:\msys64\mingw64\bin;{0}" -f $env:PATH)') || '' }}
-        cat dist-newstyle/cache/plan.json | jq -r '."install-plan"[] | select(.style != "local") | .id' | sort | uniq > dependencies.txt
-
-    # From the dependency list we restore the cached dependencies.
-    # We use the hash of `dependencies.txt` as part of the cache key because that will be stable
-    # until the `index-state` values in the `cabal.project` file changes.
-    - name: Restore cached dependencies
-      uses: actions/cache/restore@v4
-      id: cache
-      with:
-        path: |
-          ${{ steps.setup-haskell.outputs.cabal-store }}
-          dist-newstyle
-        key: cache-${{ env.CABAL_CACHE_VERSION }}-${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('dependencies.txt') }}
-
-    # Now we install the dependencies. If the cache was found and restored in the previous step,
-    # this should be a no-op, but if the cache key was not found we need to build stuff so we can
-    # cache it for the next step.
-    - name: Install dependencies
-      run: cabal build all --enable-tests --only-dependencies -j --ghc-option=-j4
-
-    # Always store the cabal cache.
-    # This can fail (benign failure) if there is already a hash at that key.
-    - name: Cache Cabal store
-      uses: actions/cache/save@v4
-      with:
-        path: |
-          ${{ steps.setup-haskell.outputs.cabal-store }}
-          dist-newstyle
-        key: cache-${{ env.CABAL_CACHE_VERSION }}-${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('dependencies.txt') }}
-
-    # Now we build.
-    - name: Build all
-      run: cabal build all --enable-tests
-
-    - name: Run tests
-      env:
-        TMPDIR: ${{ runner.temp }}
-        TMP: ${{ runner.temp }}
-        KEEP_WORKSPACE: 1
-      run: |
-        cabal test cardano-testnet cardano-node cardano-node-chairman cardano-submit-api
-
-    - name: Tar failed tests workspaces
-      if: ${{ failure() }}
-      env:
-        TMP: ${{ runner.temp }}
-      shell: bash
-      run: |
-        cd $TMP
-        find . -name 'module' -type f -exec dirname {} \; | xargs -L1 basename | sort -u | xargs tar -czvf workspaces.tgz
-
-    - name: Upload workspaces on tests failure
-      if: ${{ failure() }}
-      uses: actions/upload-artifact@v4
-      with:
-        name: failed-test-workspaces-${{ matrix.os }}-ghc${{ matrix.ghc }}-cabal${{ matrix.cabal }}.tgz
-        path: ${{ runner.temp }}/workspaces.tgz
-
-    - name: "Tar artifacts"
-      shell: bash
-      run: |
-        mkdir -p artifacts
-
-        for exe in $(cat dist-newstyle/cache/plan.json | jq -r '."install-plan"[] | select(.style == "local" and (."component-name" | startswith("exe:"))) | ."bin-file"'); do
-          if [ -f $exe ]; then
-            echo "Including artifact $exe"
-
-            ( cd artifacts
-              tar -C "$(dirname $exe)" -czf "$(basename $exe).tar.gz" "$(basename $exe)"
-            )
-          else
-            echo "Skipping artifact $exe"
-          fi
-        done
-
-    - name: Delete socket files in chairman tests in preparation for uploading artifacts
-      if: ${{ always() }}
-      shell: bash
-      run: |
-        if [ -d "${{ runner.temp }}/chairman" ]; then
-          find "${{ runner.temp }}/chairman" -type s -exec rm -f {} \;
-        fi
-
-    - name: Save Artifact
-      uses: actions/upload-artifact@v4
-      if: ${{ always() }}
-      continue-on-error: true
-      with:
-        name: chairman-test-artifacts-${{ matrix.os }}-${{ matrix.ghc }}
-        path: ${{ runner.temp }}/chairman/
-
-    # Uncomment the following back in for debugging. Remember to launch a `pwsh` from
-    # the tmux session to debug `pwsh` issues. And be reminded that the `/msys2` and
-    # `/msys2/mingw64` paths are not in PATH by default for the workflow, but tmate
-    # will put them in.
-    # You may also want to run
-    #
-    #   $env:PATH=("C:\Program Files\PowerShell\7;{0}" -f $env:ORIGINAL_PATH)
-    #
-    # to restore the original path.  Do note that some test might need msys2
-    # and will silently fail if msys2 is not in path. See the "Run tests" step.
-    #
-    # - name: Setup tmate session
-    #  if: ${{ failure() }}
-    #  uses: mxschmitt/action-tmate@v3
-    #  with:
-    #     limit-access-to-actor: true
-
-  build-complete:
-    needs: [build]
-    if: ${{ always() }}
-    runs-on: ubuntu-latest
-    steps:
-    - name: Check if any previous job failed
-      run: |
-        if [[ "${{ needs.build.result }}" == "failure" ]]; then
-          # this ignores skipped dependencies
-          echo 'Required jobs failed to build.'
-          exit 1
-        else
-          echo 'Build complete'
-        fi
-
-  release:
-    needs: [build]
-    if: ${{ startsWith(github.ref, 'refs/tags') }}
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v4
-
-    - name: Create Release Tag
-      id: create_release_tag
-      run: |
-        echo "TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_OUTPUT
-
-    - name: Create Release
-      id: create_release
-      uses: actions/create-release@v1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ github.ref }}
-        release_name: Release ${{ github.ref }}
-        draft: true
-        prerelease: false
-
-    - name: Download Artifact
-      uses: actions/download-artifact@v1
-      with:
-        name: artifacts-ubuntu-latest
-
-    - name: Upload Release Asset
-      uses: actions/upload-release-asset@v1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.create_release.outputs.upload_url }}
-        asset_path: ./artifacts-ubuntu-latest/cardano-submit-api.tar.gz
-        asset_name: cardano-submit-api_${{ steps.create_release_tag.outputs.TAG }}-linux.tar.gz
-        asset_content_type: application/gzip
diff --git a/.github/workflows/markdown-links-ci-check.yml b/.github/workflows/markdown-links-ci-check.yml
deleted file mode 100644
index 173b96261f5..00000000000
--- a/.github/workflows/markdown-links-ci-check.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-name: Check Markdown links
-
-on:
-  pull_request: # Required for workflows to be able to be approved from forks
-  merge_group:
-
-jobs:
-  markdown-link-check:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - uses: gaurav-nelson/github-action-markdown-link-check@v1
-      with:
-        use-quiet-mode: yes
-        config-file: '.github/mlc_config.json'
diff --git a/.github/workflows/nightly-trigger.yml b/.github/workflows/nightly-trigger.yml
deleted file mode 100644
index 452077f08e3..00000000000
--- a/.github/workflows/nightly-trigger.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Nightly Trigger
-
-on:
-  workflow_dispatch:
-  schedule:
-    - cron:  '0 5 * * *'
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-
-    - uses: actions/checkout@v3
-
-    - name: Tag
-      run: |
-        git branch -D nightly || true
-        git checkout -b nightly
-        git push origin nightly --force
-
-    - name: Invoke workflow
-      uses: input-output-hk/workflow-dispatch@v1
-      with:
-        workflow: .github/workflows/haskell.yml
-        ref: nightly
-        token: ${{ secrets.MACHINE_TOKEN }}
-        inputs: '{ "reason": "nightly", "tests": "all" }'
diff --git a/.github/workflows/release-ghcr.yaml b/.github/workflows/release-ghcr.yaml
deleted file mode 100644
index 5085d9ef3ce..00000000000
--- a/.github/workflows/release-ghcr.yaml
+++ /dev/null
@@ -1,85 +0,0 @@
-name: Upload to ghci.io
-
-on:
-  push:
-    tags:
-      - '**'
-  # GITHUB_SHA: Last commit in the tagged release
-  # GITHUB_REF: Tag ref of release refs/tags/<tag_name>
-  release:
-    types:
-      - published
-  # GITHUB_SHA: Last commit on the GITHUB_REF branch or tag
-  # GITHUB_REF: Branch or tag that received dispatch
-  workflow_dispatch: {}
-
-env:
-  # Only to avoid some repetition
-  FLAKE_REF: github:${{ github.repository }}/${{ github.ref_name }}
-  GH_TOKEN: ${{ github.token }}
-  # We need to tell skopeo where to write the authentication token
-  REGISTRY_AUTH_FILE: ./skopeo-registry-auth-file.json
-
-jobs:
-  wait-for-hydra:
-    name: "Wait for hydra check-runs"
-    runs-on: ubuntu-latest
-    steps:
-    - name: Waiting for ci/hydra-build:required to complete
-      run: |
-        while [[ true ]]; do
-          conclusion=$(gh api repos/$GITHUB_REPOSITORY/commits/$GITHUB_SHA/check-runs --jq '.check_runs[] | select(.name == "ci/hydra-build:required") | .conclusion')
-          case "$conclusion" in
-            success)
-              echo "ci/hydra-build:required succeeded"
-              exit 0;;
-            failure)
-              echo "ci/hydra-build:required failed"
-              exit 1;;
-            *)
-              echo "ci/hydra-build:required pending. Waiting 30s..."
-              sleep 30;;
-          esac
-        done
-
-  build:
-    needs: [wait-for-hydra]
-    name: "Upload to ghcr.io"
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Nix
-      uses: input-output-hk/install-nix-action@v20
-
-    - name: Display flake metadata
-      id: flake-metadata
-      run: |
-        nix flake metadata ${{ env.FLAKE_REF }}
-        nix flake metadata ${{ env.FLAKE_REF }} --json | jq -r '"LOCKED_URL=\(.url)"' >> "$GITHUB_OUTPUT"
-
-    - name: Login to GitHub Container Registry
-      run: skopeo login --username ${{ github.actor }} --password ${{ secrets.GITHUB_TOKEN }} ghcr.io
-
-    # NOTE We assume that hydra has already built the image, this is
-    # reasonable since, before applying the tag, we must have already
-    # pushed the tagged commit somewhere, and Hydra will have had the
-    # change to build the image.
-
-    - name: Uploading intersectmbo/cardano-node
-      run: |
-        echo "::group::Downloading from cache"
-        nix build --accept-flake-config --print-out-paths --builders "" --max-jobs 0 ${{ steps.flake-metadata.outputs.LOCKED_URL }}#dockerImage/node
-        echo "::endgroup::"
-
-        echo "::group::Uploading to registry"
-        skopeo copy docker-archive:./result docker://ghcr.io/intersectmbo/cardano-node:$GITHUB_REF_NAME
-        echo "::endgroup::"
-
-    - name: Uploading intersectmbo/cardano-submit-api
-      run: |
-        echo "::group::Downloading from cache"
-        nix build --accept-flake-config --print-out-paths --builders "" --max-jobs 0 ${{ steps.flake-metadata.outputs.LOCKED_URL }}#dockerImage/submit-api
-        echo "::endgroup::"
-
-        echo "::group::Uploading to registry"
-        skopeo copy docker-archive:./result docker://ghcr.io/intersectmbo/cardano-submit-api:$GITHUB_REF_NAME
-        echo "::endgroup::"
diff --git a/.github/workflows/release-upload.yaml b/.github/workflows/release-upload.yaml
deleted file mode 100644
index 88ff81b1018..00000000000
--- a/.github/workflows/release-upload.yaml
+++ /dev/null
@@ -1,112 +0,0 @@
-name: Post Release Upload
-# This makes it easy to get download release binaries built using
-# a github action for any tagged commit.
-#
-# This workflow builds and uploads the macOS, win64 and linux
-# binary packages as github assets.
-#
-# It uses `--builders "" --max-jobs 0` to ensure the assets are
-# from the IOG cache.
-on:
-  workflow_dispatch:
-  release:
-    types:
-      - published
-  push:
-    tags:
-      - '**'
-env:
-  # Only to avoid some repetition
-  FLAKE_REF: github:${{ github.repository }}/${{ github.ref_name }}
-  GH_TOKEN: ${{ github.token }}
-
-jobs:
-  wait-for-hydra:
-    name: "Wait for hydra check-runs"
-    runs-on: ubuntu-latest
-    steps:
-    - name: Get specific check run status
-      run: |
-        while [[ true ]]; do
-          conclusion=$(gh api repos/$GITHUB_REPOSITORY/commits/$GITHUB_SHA/check-runs --jq '.check_runs[] | select(.name == "ci/hydra-build:required") | .conclusion')
-          case "$conclusion" in
-            success)
-              echo "ci/hydra-build:required succeeded"
-              exit 0;;
-            failure)
-              echo "ci/hydra-build:required failed"
-              exit 1;;
-            *)
-              echo "ci/hydra-build:required pending. Waiting 30s..."
-              sleep 30;;
-          esac
-        done
-    
-  pull:
-    needs: [wait-for-hydra]
-    strategy:
-      matrix:
-        arch: [linux, macos, win64]
-    name: "Download Asset from the Cache"
-    runs-on: ubuntu-latest
-    steps:
-      - name: Install Nix with good defaults
-        uses: input-output-hk/install-nix-action@v20
-        with:
-          extra_nix_config: |
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
-            substituters = https://cache.iog.io/ https://cache.nixos.org/
-          nix_path: nixpkgs=channel:nixos-unstable
-      - name: Display flake metadata
-        id: flake-metadata
-        run: |
-          nix flake metadata ${{ env.FLAKE_REF }}
-          nix flake metadata ${{ env.FLAKE_REF }} --json | jq -r '"LOCKED_URL=\(.url)"' >> "$GITHUB_OUTPUT"
-      - name: Build
-        run: |
-          case ${{ matrix.arch }} in
-            linux)
-              nix build --builders "" --max-jobs 0 ${{ steps.flake-metadata.outputs.LOCKED_URL }}#hydraJobs.x86_64-linux.musl.cardano-node-linux
-              cp result/cardano-node-*-*.tar.gz .
-              ;;
-            macos)
-              nix build --builders "" --max-jobs 0 ${{ steps.flake-metadata.outputs.LOCKED_URL }}#hydraJobs.x86_64-darwin.native.cardano-node-macos
-              cp result/cardano-node-*-*.tar.gz .
-              ;;
-            win64)
-              nix build --builders "" --max-jobs 0 ${{ steps.flake-metadata.outputs.LOCKED_URL }}#hydraJobs.x86_64-linux.windows.cardano-node-win64
-              cp result/cardano-node-*-*.zip .
-              ;;              
-          esac
-      - uses: actions/upload-artifact@v4
-        with:
-          name: ${{ github.sha }}-${{ matrix.arch }}       
-          path: cardano-node-*-*.*
-          retention-days: 1
-
-  upload-assets:
-    needs: [pull]
-    name: "Upload Assets"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/download-artifact@v4
-        with:
-          merge-multiple: true
-      - name: Checksums
-        run: |
-          # find returns something like this:
-          # "cardano-node-8.11.0-linux.tar.gz cardano-node-8.11.0-macos.tar.gz ..."
-          # We use the first member of this list to compute the prefix "cardano-node-8.11.0"
-          first_archive=$(find . -maxdepth 1 -name "cardano-node-*" -printf '%P\n' | head -n 1)
-          # Then we trim the architecture-specific suffix (last "-" and after)
-          sha256sums_filename=$(echo "${first_archive%-*}-sha256sums.txt")
-          sha256sum cardano-node-* >> "$sha256sums_filename"
-      - name: Release
-        uses: input-output-hk/action-gh-release@v1
-        with:
-          draft: true
-          files: |
-            cardano-node-*-win64.zip
-            cardano-node-*-macos.tar.gz
-            cardano-node-*-linux.tar.gz
-            cardano-node-*-sha256sums.txt
diff --git a/.github/workflows/shellcheck-exceptions.txt b/.github/workflows/shellcheck-exceptions.txt
deleted file mode 100644
index ef1749c6a3b..00000000000
--- a/.github/workflows/shellcheck-exceptions.txt
+++ /dev/null
@@ -1,60 +0,0 @@
-.github/bin/haddocks.sh
-scripts/ci/check-cabal-files.sh
-bench/process/process.sh
-bench/script/probe.sh
-cardano-submit-api/test/run.sh
-cardano-tracer/demo/multi/run.sh
-cardano-tracer/demo/ssh/run.sh
-ci/check-dependencies-merged-to-master.sh
-ci/check-hydra.sh
-configuration/cardano/update-config-files.sh
-nix/regenerate.sh
-nix/workbench/analyse/analyse.sh
-nix/workbench/backend/backend.sh
-nix/workbench/backend/nomad.sh
-nix/workbench/backend/nomad/cloud.sh
-nix/workbench/backend/nomad/exec.sh
-nix/workbench/backend/nomad/podman.sh
-nix/workbench/backend/supervisor.sh
-nix/workbench/chaindb.sh
-nix/workbench/env.sh
-nix/workbench/lib-cabal.sh
-nix/workbench/lib.sh
-nix/workbench/manifest.sh
-nix/workbench/nomad.sh
-nix/workbench/profile/pparams/apiPparamsImport.sh
-nix/workbench/profile/pparams/diffLatest.sh
-nix/workbench/profile/pparams/diffLatestWithOverlay.sh
-nix/workbench/profile/pparams/pparamsLastWithOverlay.sh
-nix/workbench/profile/profile.sh
-nix/workbench/publish.sh
-nix/workbench/run.sh
-nix/workbench/scenario.sh
-nix/workbench/topology/topology.sh
-scripts/babbage/example-babbage-script-usage.sh
-scripts/babbage/mkfiles.sh
-scripts/babbage/script-context-equivalance-test.sh
-scripts/babbage/script-mint-context-equivalance-test.sh
-scripts/babbage/staking-example/claim-script-staking-rewards.sh
-scripts/babbage/staking-example/register-and-delegate-script-staking-address.sh
-scripts/bin-path.sh
-scripts/byron-to-alonzo/burn.sh
-scripts/byron-to-alonzo/mint.sh
-scripts/byron-to-alonzo/mkfiles.sh
-scripts/byron-to-alonzo/update-3.sh
-scripts/byron-to-alonzo/update-4.sh
-scripts/byron-to-alonzo/update-5.sh
-scripts/ci/check-cabal-files.sh
-scripts/gen-merge-summary.sh
-scripts/lite/example-build-cmd.sh
-scripts/lite/shelley-testnet-2.sh
-scripts/lite/shelley-testnet.sh
-scripts/lite/shutdown-ipc-example.sh
-scripts/lite/split-txouts.sh
-scripts/plutus/always-fails.sh
-scripts/plutus/example-txin-locking-plutus-script.sh
-scripts/plutus/script-context-equivalance-test.sh
-scripts/plutus/script-context-equivalence-test-minting.sh
-scripts/plutus/simple-minting-policy.sh
-scripts/plutus/staking-example/claim-script-staking-rewards.sh
-scripts/test-stake-cred-script/create-collateral.sh
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
deleted file mode 100644
index a77d2d54bc5..00000000000
--- a/.github/workflows/shellcheck.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Shellcheck
-# This pipeline runs shellcheck on all files with extension .sh,
-# except the ones listed in .github/workflows/shellcheck-exceptions.txt.
-#
-# This pipeline uses Nix, so that the shellcheck version used is the same
-# ones as used by developers in Nix shells. This ensures the CI's behavior
-# is consistent with the one of developers.
-
-on:
-  merge_group:
-  pull_request:
-
-jobs:
-  shellcheck:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Nix with good defaults
-        uses: input-output-hk/install-nix-action@v20
-        with:
-          extra_nix_config: |
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
-            substituters = https://cache.nixos.org/ https://cache.iog.io/
-          nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/install-nix-action@v18
-        with:
-          nix_path: nixpkgs=channel:nixos-unstable
-      # Make the Nix environment available to next steps
-      - uses: rrbutani/use-nix-shell-action@v1
-      - name: shellcheck
-        run: |
-          for file in $(git ls-files "*.sh")
-          do
-            if grep -q "$file" ".github/workflows/shellcheck-exceptions.txt"
-            then
-              echo "⚠️ $file is ignored from shellcheck's verifications. Please consider fixing it."
-            else
-              echo "shellcheck $file"
-              shellcheck "$file"
-            fi
-          done
diff --git a/.github/workflows/stale-bot.yml b/.github/workflows/stale-bot.yml
deleted file mode 100644
index 5fef42c6ec2..00000000000
--- a/.github/workflows/stale-bot.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: 'Close stale issues and PR'
-on:
-  schedule:
-    - cron: '30 1 * * *'
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/stale@v6
-        with:
-          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity.  Remove stale label or comment or this will be closed in 120 days.'
-          stale-pr-message: 'This PR is stale because it has been open 45 days with no activity.'
-          close-issue-message: 'This issue was closed because it has been stalled for 120 days with no activity.  Remove stale label or comment or this will be closed in 60 days.'
-          close-pr-message: 'This issue was closed because it has been stalled for 60 days with no activity.'
-          days-before-stale: 30
-          days-before-close: 120
-          days-before-pr-stale: 45
-          days-before-pr-close: 60
diff --git a/.github/workflows/stylish-haskell.yml b/.github/workflows/stylish-haskell.yml
deleted file mode 100644
index f77247ca985..00000000000
--- a/.github/workflows/stylish-haskell.yml
+++ /dev/null
@@ -1,89 +0,0 @@
-name: Check Stylish Haskell
-
-on:
-  pull_request: # Required for workflows to be able to be approved from forks
-  merge_group:
-
-# When pushing branches (and/or updating PRs), we do want to cancel previous
-# build runs. We assume they are stale now; and do not want to spend CI time and
-# resources on continuing to continue those runs. This is what the concurrency.group
-# value lets us express. When using merge queues, we now have to consider
-# - runs triggers by commits per pull-request
-#   we want to cancel any previous run. So they should all get the same group (per PR)
-# - runs refs/heads/gh-readonly-queue/<target branch name> (they should all get their
-#   unique git ref, we don't want to cancel any of the ones in the queue)
-# - if it's neither, we fall back to the run_id (this is a unique number for each
-#   workflow run; it does not change if you "rerun" a job)
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.type }}-${{ startsWith(github.ref, 'refs/heads/gh-readonly-queue/') && github.ref || github.event.pull_request.number || github.run_id }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-
-    env:
-      STYLISH_HASKELL_VERSION: "0.14.6.0"
-
-      STYLISH_HASKELL_PATHS: >
-        cardano-git-rev
-        cardano-node
-        cardano-node-capi
-        cardano-node-chairman
-        cardano-submit-api
-        cardano-testnet
-        cardano-tracer
-        trace-dispatcher
-        trace-forward
-        trace-resources
-
-    steps:
-    - name: Download stylish-haskell
-      if: runner.os == 'Linux'
-      run: |
-        version="${{ env.STYLISH_HASKELL_VERSION }}"
-
-        curl -sL \
-          "https://github.com/haskell/stylish-haskell/releases/download/v$version/stylish-haskell-v$version-linux-x86_64.tar.gz" \
-          | tar -C "/tmp" -xz
-
-        echo "PATH=/tmp/stylish-haskell-v$version-linux-x86_64:$PATH" >> $GITHUB_ENV
-
-    - uses: actions/checkout@v3
-
-    - name: Run stylish-haskell over all Haskell files (always succeeds)
-      run: |
-        git add .
-        git stash
-
-        for x in $(git ls-tree --full-tree --name-only -r HEAD ${{ env.STYLISH_HASKELL_PATHS }}); do
-          if [ "${x##*.}" == "hs" ]; then
-            if grep -qE '^#' $x; then
-              echo "$x contains CPP.  Skipping."
-            else
-              stylish-haskell -i $x
-            fi
-          fi
-        done
-
-        git --no-pager diff
-
-    - name: Run stylish-haskell over all modified files
-      run: |
-        git add .
-        git stash
-        git fetch origin ${{ github.base_ref }} --unshallow
-        for x in $(git diff --name-only --diff-filter=ACMR origin/${{ github.base_ref }}..HEAD ${{ env.STYLISH_HASKELL_PATHS }}); do
-          if [ "${x##*.}" == "hs" ]; then
-            if grep -qE '^#' $x; then
-              echo "$x contains CPP.  Skipping."
-            else
-              stylish-haskell -i $x
-            fi
-          fi
-        done
-
-        git --no-pager diff --exit-code
diff --git a/.github/workflows/update-hackage-and-chap.yml b/.github/workflows/update-hackage-and-chap.yml
deleted file mode 100644
index c1d97843e27..00000000000
--- a/.github/workflows/update-hackage-and-chap.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Update Hackage and CHaP
-
-on:
-  workflow_dispatch: # allows manual triggering
-  schedule:
-    - cron: '0 0 * * 0' # runs weekly on Sunday at 00:00
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Install Nix
-        uses: cachix/install-nix-action@v18
-        with:
-          # Use last stable nixos channel and the same nix as in channel:
-          nix_path: nixpkgs=channel:nixos-24.05
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-            experimental-features = nix-command flakes
-            allow-import-from-derivation = true
-            substituters = https://cache.nixos.org https://cache.iog.io
-            trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-
-      - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v19
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          inputs: hackageNix CHaP
-          nix-options: --accept-flake-config
-          pr-title: "flake.lock: update Hackage and CHaP"
-          pr-labels: dependencies, automated
-          pr-body: |
-            Automated changes by the [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock) GitHub Action.
-
-            ```
-            {{ env.GIT_COMMIT_MESSAGE }}
-            ```