diff --git a/.github/auto_request_review.yml b/.github/auto_request_review.yml
new file mode 100644
index 0000000..bc48a57
--- /dev/null
+++ b/.github/auto_request_review.yml
@@ -0,0 +1,15 @@
+reviewers:
+  defaults:
+    - rollkit
+  groups:
+    rollkit:
+      - team:core
+files:
+  ".github/**":
+    - MSevey
+    - rollkit
+options:
+  ignore_draft: true
+  ignored_keywords:
+    - WIP
+  number_of_reviewers: 3
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..17cbb6c
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,41 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    labels:
+      - T:dependencies
+    # Group all patch updates into a single PR
+    groups:
+      patch-updates:
+        applies-to: version-updates
+        update-types:
+          - "patch"
+  - package-ecosystem: gomod
+    directory: "/"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    labels:
+      - T:dependencies
+    # Group all patch updates into a single PR
+    groups:
+      patch-updates:
+        applies-to: version-updates
+        update-types:
+          - "patch"
+  - package-ecosystem: docker
+    directory: "/"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    labels:
+      - T:dependencies
+    # Group all patch updates into a single PR
+    groups:
+      patch-updates:
+        applies-to: version-updates
+        update-types:
+          - "patch"
diff --git a/.github/workflows/ci_release.yml b/.github/workflows/ci_release.yml
new file mode 100644
index 0000000..3dda0de
--- /dev/null
+++ b/.github/workflows/ci_release.yml
@@ -0,0 +1,44 @@
+name: CI and Release
+on:
+  push:
+    branches:
+      - main
+    # Trigger on version tags
+    tags:
+      - 'v*'
+  pull_request:
+  merge_group:
+  workflow_dispatch:
+    # Inputs the workflow accepts.
+    inputs:
+      version:
+        # Friendly description to be shown in the UI instead of 'name'
+        description: "Semver type of new version (major / minor / patch)"
+        # Input has to be provided for the workflow to run
+        required: true
+        type: choice
+        options:
+          - patch
+          - minor
+          - major
+
+jobs:
+  lint:
+    uses: ./.github/workflows/lint.yml
+
+  test:
+    uses: ./.github/workflows/test.yml
+
+  # Make a release if this is a manually trigger job, i.e. workflow_dispatch
+  release:
+    needs: [lint, test]
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'workflow_dispatch' }}
+    permissions: "write-all"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Version Release
+        uses: rollkit/.github/.github/actions/version-release@v0.4.1
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          version-bump: ${{inputs.version}}
diff --git a/.github/workflows/housekeeping.yml b/.github/workflows/housekeeping.yml
new file mode 100644
index 0000000..76eb843
--- /dev/null
+++ b/.github/workflows/housekeeping.yml
@@ -0,0 +1,85 @@
+name: Housekeeping
+
+on:
+  issues:
+    types: [opened]
+  pull_request_target:
+    types: [opened, ready_for_review]
+
+jobs:
+  issue-management:
+    if: ${{ github.event.issue }}
+    name: Add issues to project and add triage label
+    uses: rollkit/.github/.github/workflows/reusable_housekeeping.yml@v0.4.1
+    secrets: inherit
+    permissions:
+      issues: write
+      pull-requests: write
+    with:
+      run-labels: true
+      labels-to-add: "needs-triage"
+      run-projects: true
+      project-url: https://github.com/orgs/rollkit/projects/7
+
+  add-pr-to-project:
+    # ignore dependabot PRs
+    if: ${{ github.event.pull_request && github.actor != 'dependabot[bot]' }}
+    name: Add PRs to project
+    uses: rollkit/.github/.github/workflows/reusable_housekeeping.yml@v0.4.1
+    secrets: inherit
+    permissions:
+      issues: write
+      pull-requests: write
+    with:
+      run-projects: true
+      project-url: https://github.com/orgs/rollkit/projects/7
+
+  auto-add-reviewer:
+    name: Auto add reviewer to PR
+    if: github.event.pull_request
+    uses: rollkit/.github/.github/workflows/reusable_housekeeping.yml@v0.4.1
+    secrets: inherit
+    permissions:
+      issues: write
+      pull-requests: write
+    with:
+      run-auto-request-review: true
+
+  auto-add-assignee-pr:
+    # ignore dependabot PRs
+    if: ${{ github.event.pull_request && github.actor != 'dependabot[bot]' }}
+    name: Assign PR to creator
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Set pull_request url and creator login
+        # yamllint disable rule:line-length
+        run: |
+          echo "PR=${{ github.event.pull_request.html_url }}" >> $GITHUB_ENV
+          echo "CREATOR=${{ github.event.pull_request.user.login }}" >> $GITHUB_ENV
+        # yamllint enable rule:line-length
+      - name: Assign PR to creator
+        run: gh pr edit ${{ env.PR }} --add-assignee ${{ env.CREATOR }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  auto-add-assignee-label:
+    if: ${{ github.event.issue }}
+    name: Assign issue to creator
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+      - name: Set issue number and creator login
+        run: |
+          echo "ISSUE=${{ github.event.issue.number }}" >> $GITHUB_ENV
+          echo "CREATOR=${{ github.event.issue.user.login }}" >> $GITHUB_ENV
+      - name: Assign issue to creator
+        run: gh issue edit ${{ env.ISSUE }} --add-assignee ${{ env.CREATOR }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..19a98ca
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,50 @@
+# lint runs all linters in this repository
+# This workflow is triggered by ci_release.yml workflow
+name: lint
+on:
+  workflow_call:
+
+jobs:
+  golangci-lint:
+    name: golangci-lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: ./go.mod
+        # This steps sets the GIT_DIFF environment variable to true
+        # if files defined in PATTERS changed
+      - uses: technote-space/get-diff-action@v6.1.2
+        with:
+          # This job will pass without running if go.mod, go.sum, and *.go
+          # wasn't modified.
+          PATTERNS: |
+            **/**.go
+            go.mod
+            go.sum
+      - uses: golangci/golangci-lint-action@v6.1.0
+        with:
+          version: latest
+          args: --timeout 10m
+          github-token: ${{ secrets.github_token }}
+        if: env.GIT_DIFF
+
+  # hadolint lints the Dockerfile
+#  hadolint:
+#    uses: rollkit/.github/.github/workflows/reusable_dockerfile_lint.yml@v0.4.1 # yamllint disable-line rule:line-length
+#    with:
+#      dockerfile: Dockerfile
+#      failure-threshold: error
+
+  yamllint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: rollkit/.github/.github/actions/yamllint@v0.4.1
+
+  markdown-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: rollkit/.github/.github/actions/markdown-lint@v0.4.1
diff --git a/.github/workflows/semantic-pull-request.yml b/.github/workflows/semantic-pull-request.yml
new file mode 100644
index 0000000..e11fe30
--- /dev/null
+++ b/.github/workflows/semantic-pull-request.yml
@@ -0,0 +1,20 @@
+name: Semantic Pull Request
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+permissions:
+  pull-requests: read
+
+jobs:
+  main:
+    name: conventional-commit-pr-title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/semantic_release.yml b/.github/workflows/semantic_release.yml
new file mode 100644
index 0000000..c5f1d5d
--- /dev/null
+++ b/.github/workflows/semantic_release.yml
@@ -0,0 +1,24 @@
+name: Semantic Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Configure Semantic Release
+        # Work around for non npm project
+        # REF: https://github.com/cycjimmy/semantic-release-action/issues/115#issuecomment-1817264419
+        run: echo '{"branches":[],"plugins":["@semantic-release/commit-analyzer","@semantic-release/release-notes-generator","@semantic-release/github"]}' > .releaserc.json
+      - name: Create Release
+        uses: cycjimmy/semantic-release-action@v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          branches: |
+            ["main"]
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..655450c
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,47 @@
+# Tests / Code Coverage workflow
+# This workflow is triggered by ci_release.yml workflow
+name: Tests / Code Coverage
+on:
+  workflow_call:
+
+jobs:
+  go_mod_tidy_check:
+    name: Go Mod Tidy Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: ./go.mod
+      - run: go mod tidy
+      - name: check for diff
+        run: git diff --exit-code
+
+  unit_test:
+    name: Run Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: set up go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: ./go.mod
+      - name: Run unit test
+        run: make test
+      - name: upload coverage report
+        uses: codecov/codecov-action@v4.5.0
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./coverage.txt
+
+  integration_test:
+    name: Run Integration Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: set up go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: ./go.mod
+      - name: Integration Tests
+        run: echo "No integration tests yet"
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..d85cb58
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,49 @@
+run:
+  timeout: 5m
+  modules-download-mode: readonly
+
+linters:
+  enable:
+    - errorlint
+    - errcheck
+    - gofmt
+    - goimports
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - revive
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unused
+
+issues:
+  exclude-use-default: false
+  # mempool and indexer code is borrowed from Tendermint
+  exclude-dirs:
+    - mempool
+    - state/indexer
+    - state/txindex
+    - third_party
+  include:
+    - EXC0012 # EXC0012 revive: Annoying issue about not having a comment. The rare codebase has such comments
+    - EXC0014 # EXC0014 revive: Annoying issue about not having a comment. The rare codebase has such comments
+
+linters-settings:
+  gosec:
+    excludes:
+      - G115
+  revive:
+    rules:
+      - name: package-comments
+        disabled: true
+      - name: duplicated-imports
+        severity: warning
+      - name: exported
+        arguments:
+          - disableStutteringCheck
+
+  goimports:
+    local-prefixes: github.com/rollkit
diff --git a/.markdownlint.yaml b/.markdownlint.yaml
new file mode 100644
index 0000000..6369b8d
--- /dev/null
+++ b/.markdownlint.yaml
@@ -0,0 +1,6 @@
+default: true
+MD010:
+  code_blocks: false
+MD013: false
+MD024:
+  allow_different_nesting: true
diff --git a/.yamllint.yml b/.yamllint.yml
new file mode 100644
index 0000000..cd2a9e8
--- /dev/null
+++ b/.yamllint.yml
@@ -0,0 +1,9 @@
+---
+# Built from docs https://yamllint.readthedocs.io/en/stable/configuration.html
+extends: default
+
+rules:
+  # 120 chars should be enough, but don't fail if a line is longer
+  line-length:
+    max: 120
+    level: warning
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..226e09a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,63 @@
+# Define pkgs, run, and cover vairables for test so that we can override them in
+# the terminal more easily.
+pkgs := $(shell go list ./...)
+run := .
+count := 1
+
+## help: Show this help message
+help: Makefile
+	@echo " Choose a command run in "$(PROJECTNAME)":"
+	@sed -n 's/^##//p' $< | column -t -s ':' |  sed -e 's/^/ /'
+.PHONY: help
+
+## clean: clean testcache
+clean:
+	@echo "--> Clearing testcache"
+	@go clean --testcache
+.PHONY: clean
+
+## cover: generate to code coverage report.
+cover:
+	@echo "--> Generating Code Coverage"
+	@go install github.com/ory/go-acc@latest
+	@go-acc -o coverage.txt $(pkgs)
+.PHONY: cover
+
+## deps: Install dependencies
+deps:
+	@echo "--> Installing dependencies"
+	@go mod download
+#	@make proto-gen
+	@go mod tidy
+.PHONY: deps
+
+## lint: Run linters golangci-lint and markdownlint.
+lint: vet
+	@echo "--> Running golangci-lint"
+	@golangci-lint run
+	@echo "--> Running markdownlint"
+	@markdownlint --config .markdownlint.yaml '**/*.md'
+	@echo "--> Running yamllint"
+	@yamllint --no-warnings . -c .yamllint.yml
+
+.PHONY: lint
+
+## fmt: Run fixes for linters. Currently only markdownlint.
+fmt:
+	@echo "--> Formatting markdownlint"
+	@markdownlint --config .markdownlint.yaml '**/*.md' -f
+	@echo "--> Formatting go"
+	@golangci-lint run --fix
+.PHONY: fmt
+
+## vet: Run go vet
+vet: 
+	@echo "--> Running go vet"
+	@go vet $(pkgs)
+.PHONY: vet
+
+## test: Running unit tests
+test: vet
+	@echo "--> Running unit tests"
+	@go test -v -race -covermode=atomic -coverprofile=coverage.txt $(pkgs) -run $(run) -count=$(count)
+.PHONY: test
diff --git a/README.md b/README.md
index 7358c7c..464cba8 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # based-sequencer
+
 Based sequencer that implements go-sequencing interface
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..c68b54d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,19 @@
+module github.com/rollkit/based-sequencer
+
+go 1.23.1
+
+require (
+	github.com/rollkit/go-da v0.7.0
+	github.com/rollkit/go-sequencing v0.0.0-20240924073851-5e3b8522a072
+)
+
+require (
+	github.com/cosmos/gogoproto v1.7.0 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	golang.org/x/net v0.28.0 // indirect
+	golang.org/x/sys v0.24.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240827150818-7e3bb234dfed // indirect
+	google.golang.org/grpc v1.67.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..533d742
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,30 @@
+github.com/cosmos/gogoproto v1.7.0 h1:79USr0oyXAbxg3rspGh/m4SWNyoz/GLaAh0QlCe2fro=
+github.com/cosmos/gogoproto v1.7.0/go.mod h1:yWChEv5IUEYURQasfyBW5ffkMHR/90hiHgbNgrtp4j0=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rollkit/go-da v0.7.0 h1:b4o5dWCCqwH0fbbhfNOoLraAsCHjN5PV1Z2rNkUB+pU=
+github.com/rollkit/go-da v0.7.0/go.mod h1:9YCbEhUkF/QHbbKPBe5uvu93Co/mgPRtYjlwj6GPuhI=
+github.com/rollkit/go-sequencing v0.0.0-20240924073851-5e3b8522a072 h1:ryzQ53hpEZ/tzsweDkEFUP3ovFcmi0IBye4JhCNIs+8=
+github.com/rollkit/go-sequencing v0.0.0-20240924073851-5e3b8522a072/go.mod h1:s/3XzHYeY+bximgM8PDdQmoe9aWBSOa4NDQmBxpMJ4A=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
+golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
+golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
+golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240827150818-7e3bb234dfed h1:J6izYgfBXAI3xTKLgxzTmUltdYaLsuBxFCgDHWJ/eXg=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240827150818-7e3bb234dfed/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/sequencer.go b/sequencer.go
new file mode 100644
index 0000000..89db3ab
--- /dev/null
+++ b/sequencer.go
@@ -0,0 +1,42 @@
+package based_sequencer
+
+import (
+	"context"
+	"time"
+
+	"github.com/rollkit/go-da"
+	"github.com/rollkit/go-sequencing"
+)
+
+// BasedSequencer implements go-sequencing API with based sequencing logic.
+//
+// All transactions are passed directly to DA to be saved in a namespace. Each transaction is submitted as separate blob.
+// When batch is requested DA blocks are scanned to read all blobs from given namespace at given height.
+type BasedSequencer struct {
+	da da.DA
+}
+
+// NewSequencer initializes a BasedSequencer with the provided DA implementation.
+func NewSequencer(da da.DA) *BasedSequencer {
+	return &BasedSequencer{da: da}
+}
+
+var _ sequencing.Sequencer = (*BasedSequencer)(nil)
+
+// SubmitRollupTransaction submits a transaction directly to DA, as a single blob.
+func (b *BasedSequencer) SubmitRollupTransaction(ctx context.Context, rollupId sequencing.RollupId, tx sequencing.Tx) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+// GetNextBatch reads data from namespace in DA and builds transactions batches.
+func (b *BasedSequencer) GetNextBatch(ctx context.Context, lastBatchHash sequencing.Hash) (*sequencing.Batch, time.Time, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+// VerifyBatch ensures data-availability of a batch in DA.
+func (b *BasedSequencer) VerifyBatch(ctx context.Context, batchHash sequencing.Hash) (bool, error) {
+	//TODO implement me
+	panic("implement me")
+}