diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index deddb0f..137f523 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,7 +4,7 @@ on:
   push:
 
 env:
-  STACKS_BLOCKCHAIN_COMMIT: "2.2.0.0.1"
+  STACKS_BLOCKCHAIN_COMMIT: "feat/epoch-2.4"
 
 jobs:
   cancel-previous-runs:
@@ -115,13 +115,13 @@ jobs:
           images: hirosystems/stacks-api-e2e
           tags: |
             type=raw,value=latest,enable={{is_default_branch}}
-            type=raw,value=stacks2.1,enable={{is_default_branch}}
-            type=raw,value=stacks2.1-{{branch}}-{{sha}}
-            type=ref,event=branch,prefix=stacks2.1-
-            type=ref,event=pr,prefix=stacks2.1-
-            type=semver,pattern={{version}},prefix=stacks2.1-
-            type=semver,pattern={{major}}.{{minor}},prefix=stacks2.1-
-            type=sha,prefix=stacks2.1-
+            type=raw,value=stacks2.4,enable={{is_default_branch}}
+            type=raw,value=stacks2.4-{{branch}}-{{sha}}
+            type=ref,event=branch,prefix=stacks2.4-
+            type=ref,event=pr,prefix=stacks2.4-
+            type=semver,pattern={{version}},prefix=stacks2.4-
+            type=semver,pattern={{major}}.{{minor}},prefix=stacks2.4-
+            type=sha,prefix=stacks2.4-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
@@ -146,62 +146,3 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=registry,ref=hirosystems/stacks-api-e2e:latest
           cache-to: type=inline
-
-  build-push-stacks2_1-transition-docker:
-    needs: build-stacks-node
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - uses: actions/download-artifact@v3
-        with:
-          name: stacks-node-bin
-          path: stacks-blockchain-binaries
-      - name: Process of downloaded artifacts
-        working-directory: stacks-blockchain-binaries
-        run: |
-          ls -R
-          chmod +x x86_64-unknown-linux-gnu/stacks-node
-          chmod +x aarch64-unknown-linux-gnu/stacks-node
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: hirosystems/stacks-api-e2e
-          flavor: |
-            latest=false
-          tags: |
-            type=raw,value=stacks2.1-transition,enable={{is_default_branch}}
-            type=raw,value=stacks2.1-transition-{{branch}}-{{sha}}
-            type=ref,event=branch,prefix=stacks2.1-transition-
-            type=ref,event=pr,prefix=stacks2.1-transition-
-            type=semver,pattern={{version}},prefix=stacks2.1-transition-
-            type=semver,pattern={{major}}.{{minor}},prefix=stacks2.1-transition-
-            type=sha,prefix=stacks2.1-transition-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-        with:
-          config-inline: |
-            [worker.oci]
-              max-parallelism = 1
-      - name: Login to DockerHub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN || secrets.DOCKERHUB_PASSWORD }}
-      - name: Build Docker images
-        uses: docker/build-push-action@v3
-        with:
-          file: Dockerfile.e2e
-          context: .
-          push: true
-          platforms: linux/amd64,linux/arm64
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=hirosystems/stacks-api-e2e:stacks2.1-transition
-          cache-to: type=inline
-          build-args: |
-            STACKS_21_HEIGHT=120
-            STACKS_POX2_HEIGHT=136
diff --git a/Dockerfile.e2e b/Dockerfile.e2e
index 9cc1fc6..b09f0ed 100644
--- a/Dockerfile.e2e
+++ b/Dockerfile.e2e
@@ -3,7 +3,7 @@
 FROM rust:bullseye as builder
 
 # A commit hash, tag, or branch
-ARG GIT_COMMIT=2.2.0.0.1
+ARG GIT_COMMIT=feat/epoch-2.4
 ARG BLOCKCHAIN_REPO=https://github.com/stacks-network/stacks-blockchain.git
 
 ARG TARGETPLATFORM
@@ -85,6 +85,15 @@ ENV STACKS_21_HEIGHT=$STACKS_21_HEIGHT
 ARG STACKS_POX2_HEIGHT=107
 ENV STACKS_POX2_HEIGHT=$STACKS_POX2_HEIGHT
 
+ARG STACKS_22_HEIGHT=108
+ENV STACKS_22_HEIGHT=$STACKS_22_HEIGHT
+
+ARG STACKS_23_HEIGHT=109
+ENV STACKS_23_HEIGHT=$STACKS_23_HEIGHT
+
+ARG STACKS_24_HEIGHT=111
+ENV STACKS_24_HEIGHT=$STACKS_24_HEIGHT
+
 # priv: 6ad9cadb42d4edbfbe0c5bfb3b8a4125ddced021c4174f829b714ccbf527f02001
 # ARG REWARD_RECIPIENT=STQM73RQC4EX0A07KWG1J5ECZJYBZS4SJ4ERC6WN
 ARG REWARD_RECIPIENT
@@ -128,7 +137,7 @@ RUN <<EOF
   bitcoin-cli -rpcwait getmininginfo
   bitcoin-cli createwallet ""
   bitcoin-cli importprivkey $BTC_ADDR_WIF "" false
-  bitcoin-cli generatetoaddress 100 $BTC_ADDR
+  bitcoin-cli generatetoaddress 101 $BTC_ADDR
 
   node event-observer.js &
   EVENT_OBSERVER_PID=$!
@@ -141,13 +150,43 @@ RUN <<EOF
 
   while true; do
     HEIGHT=$(curl -s localhost:20443/v2/info | jq '.burn_block_height')
-    if [ "$HEIGHT" = "100" ]; then
-      echo "Stacks node caught up to block 100"
+    if [ "$HEIGHT" = "101" ]; then
+      echo "Stacks node caught up to Bitcoin block $HEIGHT"
       break
     fi
     sleep 0.5s
   done
 
+  while true; do
+    TX=$(bitcoin-cli listtransactions '*' 1 0 true)
+    CONFS=$(echo "$TX" | jq '.[].confirmations')
+    if [ "$CONFS" = "0" ]; then
+      echo "Detected Stacks mining mempool tx, mining btc block..."
+      bitcoin-cli generatetoaddress 1 $BTC_ADDR
+      chain_height=$(bitcoin-cli getblockcount)
+      echo "Current Bitcoin chain height: $chain_height"
+    
+      while true; do
+        HEIGHT=$(curl -s localhost:20443/v2/info | jq '.burn_block_height')
+        if [ "$HEIGHT" = "$chain_height" ]; then
+          echo "Stacks node caught up to Bitcoin block $HEIGHT"
+          break
+        else
+          echo "Stacks node burn height: $HEIGHT, waiting for $chain_height"
+        fi
+        sleep 0.1s
+      done
+
+      if [ "$chain_height" = "$STACKS_24_HEIGHT" ]; then
+        break
+      fi
+
+    else
+      sleep 0.1s
+    fi
+  done
+
+
   kill $STACKS_PID
   wait $STACKS_PID
 
diff --git a/docker-compose.yml b/docker-compose.yml
index f25e38c..a267b1b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,6 +11,9 @@ x-common-vars:
   - &MINE_INTERVAL ${MINE_INTERVAL:-0.5s}
   - &STACKS_21_HEIGHT ${STACKS_21_HEIGHT:-103}
   - &STACKS_POX2_HEIGHT ${STACKS_POX2_HEIGHT:-104} # 104 is is stacks_block=1, 106 is stacks_block=3
+  - &STACKS_22_HEIGHT ${STACKS_22_HEIGHT:-105}
+  - &STACKS_23_HEIGHT ${STACKS_23_HEIGHT:-106}
+  - &STACKS_24_HEIGHT ${STACKS_24_HEIGHT:-107}
   - &REWARD_RECIPIENT ${REWARD_RECIPIENT:-STQM73RQC4EX0A07KWG1J5ECZJYBZS4SJ4ERC6WN} # priv: 6ad9cadb42d4edbfbe0c5bfb3b8a4125ddced021c4174f829b714ccbf527f02001
 
 services:
@@ -39,6 +42,9 @@ services:
       INIT_BLOCKS: 101
       STACKS_21_HEIGHT: *STACKS_21_HEIGHT
       STACKS_POX2_HEIGHT: *STACKS_POX2_HEIGHT
+      STACKS_22_HEIGHT: *STACKS_22_HEIGHT
+      STACKS_23_HEIGHT: *STACKS_23_HEIGHT
+      STACKS_24_HEIGHT: *STACKS_24_HEIGHT
       REWARD_RECIPIENT: *REWARD_RECIPIENT
     entrypoint:
       - /bin/bash
@@ -168,6 +174,9 @@ services:
       MINER_SEED: *MINER_SEED
       STACKS_21_HEIGHT: *STACKS_21_HEIGHT
       STACKS_POX2_HEIGHT: *STACKS_POX2_HEIGHT
+      STACKS_22_HEIGHT: *STACKS_22_HEIGHT
+      STACKS_23_HEIGHT: *STACKS_23_HEIGHT
+      STACKS_24_HEIGHT: *STACKS_24_HEIGHT
       REWARD_RECIPIENT: *REWARD_RECIPIENT
     entrypoint:
       - /bin/bash
diff --git a/stacks-krypton-miner.toml b/stacks-krypton-miner.toml
index 458d135..213de65 100644
--- a/stacks-krypton-miner.toml
+++ b/stacks-krypton-miner.toml
@@ -9,11 +9,11 @@ local_peer_seed = "$MINER_SEED"
 
 miner = true
 use_test_genesis_chainstate = true
-pox_sync_sample_secs = 0
+pox_sync_sample_secs = 5
 wait_time_for_blocks = 0
 wait_time_for_microblocks = 50
 microblock_frequency = 1000
-# mine_microblocks = true
+mine_microblocks = false
 # max_microblocks = 10
 
 [miner]
@@ -22,18 +22,18 @@ subsequent_attempt_time_ms = 5000
 $REWARD_RECIPIENT_CONF
 
 [connection_options]
-# inv_sync_interval = 10
-# download_interval = 10
-# walk_interval = 10
-disable_block_download = true
-disable_inbound_handshakes = true
-disable_inbound_walks = true
+inv_sync_interval = 10
+download_interval = 10
+walk_interval = 10
+disable_block_download = false
+disable_inbound_handshakes = false
+disable_inbound_walks = false
 public_ip_address = "1.1.1.1:1234"
 
 [burnchain]
 chain = "bitcoin"
 mode = "krypton"
-poll_time_secs = 1
+poll_time_secs = 5
 pox_2_activation = $STACKS_POX2_HEIGHT
 
 ### bitcoind-regtest connection info
@@ -61,6 +61,18 @@ start_height = $STACKS_2_05_HEIGHT
 epoch_name = "2.1"
 start_height = $STACKS_21_HEIGHT
 
+[[burnchain.epochs]]
+epoch_name = "2.2"
+start_height = $STACKS_22_HEIGHT
+
+[[burnchain.epochs]]
+epoch_name = "2.3"
+start_height = $STACKS_23_HEIGHT
+
+[[burnchain.epochs]]
+epoch_name = "2.4"
+start_height = $STACKS_24_HEIGHT
+
 [[ustx_balance]]
 address = "STB44HYPYAT2BB2QE513NSP81HTMYWBJP02HPGK6"
 amount = 10000000000000000
diff --git a/wip.md b/wip.md
new file mode 100644
index 0000000..f7ebb60
--- /dev/null
+++ b/wip.md
@@ -0,0 +1,11 @@
+* First build the image:
+```shell
+docker build -t e2e-test -f Dockerfile.e2e .
+```
+
+* Then run the image:
+```shell
+docker run --rm -p "20443:20443" -e MINE_INTERVAL=5s e2e-test
+```
+
+* If everything works, visit http://localhost:20443/v2/pox