diff --git a/Dockerfile.tx-broadcaster b/Dockerfile.tx-broadcaster
new file mode 100644
index 0000000..391d9cd
--- /dev/null
+++ b/Dockerfile.tx-broadcaster
@@ -0,0 +1,9 @@
+FROM node:18-bookworm as builder
+
+RUN apt-get update && apt-get install -y curl gettext-base jq
+
+WORKDIR /root
+COPY ./stacking/tx-broadcaster.js ./stacking/package.json /root/
+RUN npm i
+
+CMD ["node", "/root/tx-broadcaster.js"]
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 845c217..f5670e4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: "3.9"
 
 x-common-vars:
-  - &STACKS_BLOCKCHAIN_COMMIT 8cffc3892f6451fdff525952a025f77482a8f728
+  - &STACKS_BLOCKCHAIN_COMMIT 2789b184ef301734f0af2132fac4b303ef0f9a7c
   - &BTC_ADDR miEJtNKa3ASpA19v5ZhvbKTEieYjLpzCYT
   - &MINER_SEED 9e446f6b0c6a96cf2190e54bcd5a8569c3e386f091605499464389b8d4e0bfc201 # stx: STEW4ZNT093ZHK4NEQKX8QJGM2Y7WWJ2FQQS5C19, btc: miEJtNKa3ASpA19v5ZhvbKTEieYjLpzCYT, pub_key: 035379aa40c02890d253cfa577964116eb5295570ae9f7287cbae5f2585f5b2c7c, wif: cStMQXkK5yTFGP3KbNXYQ3sJf2qwQiKrZwR9QJnksp32eKzef1za
   - &BITCOIN_PEER_PORT 18444
@@ -141,7 +141,6 @@ services:
         bitcoin-cli -rpcwait -rpcconnect=bitcoind getmininginfo
         exec stacks-node start --config=config.toml
 
-
   stacker:
     networks:
       - stacks
@@ -155,6 +154,19 @@ services:
     depends_on:
       - stacks-node
 
+  tx-broadcaster:
+    networks:
+      - stacks
+    build:
+      context: .
+      dockerfile: Dockerfile.tx-broadcaster
+    environment:
+      STACKS_CORE_RPC_HOST: stacks-node
+      STACKS_CORE_RPC_PORT: 20443
+      ACCOUNT_KEYS: 0d2f965b472a82efd5a96e6513c8b9f7edc725d5c96c7d35d6c722cedeb80d1b01,975b251dd7809469ef0c26ec3917971b75c51cd73a022024df4bf3b232cc2dc001,c71700b07d520a8c9731e4d0f095aa6efb91e16e25fb27ce2b72e7b698f8127a01
+    depends_on:
+      - stacks-node
+
   postgres:
     networks:
       - stacks
diff --git a/stacking/tx-broadcaster.js b/stacking/tx-broadcaster.js
new file mode 100644
index 0000000..0fbcbf8
--- /dev/null
+++ b/stacking/tx-broadcaster.js
@@ -0,0 +1,54 @@
+const { StacksTestnet } = require('@stacks/network');
+const { TransactionVersion, getAddressFromPrivateKey, getNonce, makeSTXTokenTransfer, broadcastTransaction } = require('@stacks/transactions');
+
+const broadcastInterval = process.env.BROADCAST_INTERVAL ?? 2;
+const postTxWait = process.env.POST_TX_WAIT ?? 2;
+const url = `http://${process.env.STACKS_CORE_RPC_HOST}:${process.env.STACKS_CORE_RPC_PORT}`;
+const network = new StacksTestnet({ url });
+
+const accounts = process.env.ACCOUNT_KEYS.split(',').map(privKey => ({
+  privKey,
+  stxAddress: getAddressFromPrivateKey(privKey, TransactionVersion.Testnet),
+}));
+
+async function run() {
+  const accountNonces = await Promise.all(accounts.map(async (account) => {
+    const nonce = await getNonce(account.stxAddress, network);
+    return { ...account, nonce };
+  }));
+
+  // Send from account with lowest nonce
+  accountNonces.sort((a, b) => Number(a.nonce) - Number(b.nonce));
+  const sender = accountNonces[0];
+  const recipient = accountNonces[1];
+
+  console.log(`Sending stx-transfer from ${sender.stxAddress} (nonce=${sender.nonce}) to ${recipient.stxAddress}`);
+
+  const tx = await makeSTXTokenTransfer({
+    recipient: recipient.stxAddress,
+    amount: 1000,
+    senderKey: sender.privKey,
+    network,
+    nonce: sender.nonce,
+    fee: 300,
+  });
+
+  const broadcastResult = await broadcastTransaction(tx, network);
+  if (broadcastResult.error) {
+    console.error('Error broadcasting stx-transfer', broadcastResult);
+  } else {
+    console.log(`Broadcast stx-transfer tx=${broadcastResult.txid}`);
+  }
+
+  await new Promise(resolve => setTimeout(resolve, postTxWait * 1000));
+}
+
+async function loop() {
+  try {
+    await run();
+  } catch (e) {
+    console.error('Error submitting stx-transfer tx:', e);
+  }
+  setTimeout(loop, broadcastInterval * 1000);
+}
+loop();
diff --git a/stacks-krypton-miner.toml b/stacks-krypton-miner.toml
index 662ee1f..65bfac4 100644
--- a/stacks-krypton-miner.toml
+++ b/stacks-krypton-miner.toml
@@ -107,6 +107,16 @@ address = "ST1HB1T8WRNBYB0Y3T7WXZS38NKKPTBR3EG9EPJKR"
 amount = 10000000000000000
 # secretKey = "c71700b07d520a8c9731e4d0f095aa6efb91e16e25fb27ce2b72e7b698f8127a01"
 
+[[ustx_balance]]
+address = "ST2PGGD0ZXAWEMY4EZ025RD1X47EEVH287SQKA8BC"
+amount = 10000000000000000
+# secretKey = "975b251dd7809469ef0c26ec3917971b75c51cd73a022024df4bf3b232cc2dc001"
+
+[[ustx_balance]]
+address = "ST29V10QEA7BRZBTWRFC4M70NJ4J6RJB5P1C6EE84"
+amount = 10000000000000000
+# secretKey = "0d2f965b472a82efd5a96e6513c8b9f7edc725d5c96c7d35d6c722cedeb80d1b01"
+
 [[ustx_balance]]
 address = "STRYYQQ9M8KAF4NS7WNZQYY59X93XEKR31JP64CP"
 amount = 10000000000000000