diff --git a/deployment/roles/oracle/tasks/post_config.yml b/deployment/roles/oracle/tasks/post_config.yml
index 6fe87ceb..edafd99a 100644
--- a/deployment/roles/oracle/tasks/post_config.yml
+++ b/deployment/roles/oracle/tasks/post_config.yml
@@ -27,17 +27,6 @@
   set_fact:
     ORACLE_VALIDATOR_ADDRESS: "{{ VADDRESS.stdout }}"
 
-- name: Get foreign erc type
-  become_user: "{{ compose_service_user }}"
-  shell: docker-compose run --rm --entrypoint "node scripts/initialChecks.js" bridge_affirmation
-  args:
-    chdir: "{{ bridge_path }}/oracle"
-  register: ERCTYPE
-
-- name: Set FOREIGN_ERC_TYPE variable
-  set_fact:
-    FOREIGN_ERC_TYPE: "{{ (ERCTYPE.stdout).foreignERC | default('') }}"
-
 - name: Extend docker compose file for erc to native
   set_fact: composefileoverride="-f docker-compose-transfer.yml"
   when: ORACLE_BRIDGE_MODE == "ERC_TO_NATIVE"
diff --git a/e2e-commons/components-envs/oracle-amb.env b/e2e-commons/components-envs/oracle-amb.env
index 5dc005c6..a6b5cc08 100644
--- a/e2e-commons/components-envs/oracle-amb.env
+++ b/e2e-commons/components-envs/oracle-amb.env
@@ -6,8 +6,6 @@ COMMON_HOME_RPC_URL=http://parity1:8545
 COMMON_FOREIGN_RPC_URL=http://parity2:8545
 COMMON_HOME_BRIDGE_ADDRESS=0x8397be90BCF57b0B71219f555Fe121b22e5a994C
 COMMON_FOREIGN_BRIDGE_ADDRESS=0x1feB40aD9420b186F019A717c37f5546165d411E
-ORACLE_VALIDATOR_ADDRESS=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b
-ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9
 COMMON_HOME_GAS_PRICE_SUPPLIER_URL=
 COMMON_HOME_GAS_PRICE_SPEED_TYPE=standard
 COMMON_HOME_GAS_PRICE_FALLBACK=1000000000
diff --git a/e2e-commons/components-envs/oracle-erc20-native.env b/e2e-commons/components-envs/oracle-erc20-native.env
index e8ac79a2..e12f4f5d 100644
--- a/e2e-commons/components-envs/oracle-erc20-native.env
+++ b/e2e-commons/components-envs/oracle-erc20-native.env
@@ -6,8 +6,6 @@ COMMON_HOME_RPC_URL=http://parity1:8545
 COMMON_FOREIGN_RPC_URL=http://parity2:8545
 COMMON_HOME_BRIDGE_ADDRESS=0x5118AC62AE912Dd5B51EEfF7338c4fcb0248Ba8c
 COMMON_FOREIGN_BRIDGE_ADDRESS=0x32198D570fffC7033641F8A9094FFDCaAEF42624
-ORACLE_VALIDATOR_ADDRESS=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b
-ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9
 COMMON_HOME_GAS_PRICE_SUPPLIER_URL=https://gasprice.poa.network/
 COMMON_HOME_GAS_PRICE_SPEED_TYPE=standard
 COMMON_HOME_GAS_PRICE_FALLBACK=1
diff --git a/e2e-commons/up.sh b/e2e-commons/up.sh
index 8f7063ae..a291ffef 100755
--- a/e2e-commons/up.sh
+++ b/e2e-commons/up.sh
@@ -15,42 +15,46 @@ docker network create --driver bridge ultimate || true
 docker-compose up -d parity1 parity2 e2e
 
 startValidator () {
-    db_env="-e ORACLE_QUEUE_URL=amqp://$4 -e ORACLE_REDIS_URL=redis://$3"
+    db_env="-e ORACLE_QUEUE_URL=amqp://$3 -e ORACLE_REDIS_URL=redis://$2"
 
-    docker-compose $1 run -d --name $3 redis
-    docker-compose $1 run -d --name $4 rabbit
+    docker-compose $1 run -d --name $2 redis
+    docker-compose $1 run -d --name $3 rabbit
 
     if [[ -z "$MODE" || "$MODE" == erc-to-native ]]; then
-      docker-compose $1 run $2 $db_env -d oracle-erc20-native yarn watcher:signature-request
-      docker-compose $1 run $2 $db_env -d oracle-erc20-native yarn watcher:collected-signatures
-      docker-compose $1 run $2 $db_env -d oracle-erc20-native yarn watcher:affirmation-request
-      docker-compose $1 run $2 $db_env -d oracle-erc20-native yarn watcher:transfer
+      docker-compose $1 run $oraclePK $db_env -d oracle-erc20-native yarn watcher:signature-request
+      docker-compose $1 run $oracleAddr $db_env -d oracle-erc20-native yarn watcher:collected-signatures
+      docker-compose $1 run $oracleAddr $db_env -d oracle-erc20-native yarn watcher:affirmation-request
+      docker-compose $1 run $oracleAddr $db_env -d oracle-erc20-native yarn watcher:transfer
     fi
     if [[ -z "$MODE" || "$MODE" == amb ]]; then
-      docker-compose $1 run $2 $db_env -d oracle-amb yarn watcher:signature-request
-      docker-compose $1 run $2 $db_env -d oracle-amb yarn watcher:collected-signatures
-      docker-compose $1 run $2 $db_env -d oracle-amb yarn watcher:affirmation-request
-      docker-compose $1 run $2 $db_env -d oracle-amb yarn watcher:information-request
+      docker-compose $1 run $oraclePK $db_env -d oracle-amb yarn watcher:signature-request
+      docker-compose $1 run $oracleAddr $db_env -d oracle-amb yarn watcher:collected-signatures
+      docker-compose $1 run $oracleAddr $db_env -d oracle-amb yarn watcher:affirmation-request
+      docker-compose $1 run $oracleAddr $db_env -d oracle-amb yarn watcher:information-request
     fi
 
-    docker-compose $1 run $2 $db_env -d oracle-amb yarn sender:home
-    docker-compose $1 run $2 $db_env -d oracle-amb yarn sender:foreign
-    docker-compose $1 run $2 $db_env -d oracle-amb yarn manager:shutdown
+    docker-compose $1 run $oraclePK $db_env -d oracle-amb yarn sender:home
+    docker-compose $1 run $oraclePK $db_env -d oracle-amb yarn sender:foreign
+    docker-compose $1 run $oracleAddr $db_env -d oracle-amb yarn manager:shutdown
 }
 
 while [ "$1" != "" ]; do
   if [ "$1" == "oracle" ]; then
-    startValidator "-p validator1" "" redis rabbit
+    oracleAddr="-e ORACLE_VALIDATOR_ADDRESS=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b"
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9"
+    startValidator "-p validator1" redis rabbit
   fi
 
   if [ "$1" == "oracle-validator-2" ]; then
-    oracle2Values="-e ORACLE_VALIDATOR_ADDRESS=0xdCC784657C78054aa61FbcFFd2605F32374816A4 -e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=5a5c3645d0f04e9eb4f27f94ed4c244a225587405b8838e7456f7781ce3a9513"
-    startValidator "-p validator2" "$oracle2Values" redis2 rabbit2
+    oracleAddr="-e ORACLE_VALIDATOR_ADDRESS=0xdCC784657C78054aa61FbcFFd2605F32374816A4"
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=5a5c3645d0f04e9eb4f27f94ed4c244a225587405b8838e7456f7781ce3a9513"
+    startValidator "-p validator2" redis2 rabbit2
   fi
 
   if [ "$1" == "oracle-validator-3" ]; then
-    oracle3Values="-e ORACLE_VALIDATOR_ADDRESS=0xDcef88209a20D52165230104B245803C3269454d -e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=f877f62a1c19f852cff1d29f0fb1ecac18821c0080d4cc0520c60c098293dca1"
-    startValidator "-p validator3" "$oracle3Values" redis3 rabbit3
+    oracleAddr="-e ORACLE_VALIDATOR_ADDRESS=0xDcef88209a20D52165230104B245803C3269454d"
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=f877f62a1c19f852cff1d29f0fb1ecac18821c0080d4cc0520c60c098293dca1"
+    startValidator "-p validator3" redis3 rabbit3
   fi
 
   if [ "$1" == "alm" ]; then
@@ -84,13 +88,17 @@ while [ "$1" != "" ]; do
   if [ "$1" == "alm-e2e" ]; then
     MODE=amb
 
-    startValidator "-p validator1" "" redis rabbit
+    oracleAddr="-e ORACLE_VALIDATOR_ADDRESS=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b"
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9"
+    startValidator "-p validator1" redis rabbit
 
-    oracle2Values="-e ORACLE_VALIDATOR_ADDRESS=0xdCC784657C78054aa61FbcFFd2605F32374816A4 -e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=5a5c3645d0f04e9eb4f27f94ed4c244a225587405b8838e7456f7781ce3a9513"
-    startValidator "-p validator2" "$oracle2Values" redis2 rabbit2
+    oracleAddr="-e ORACLE_VALIDATOR_ADDRESS=0xdCC784657C78054aa61FbcFFd2605F32374816A4"
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=5a5c3645d0f04e9eb4f27f94ed4c244a225587405b8838e7456f7781ce3a9513"
+    startValidator "-p validator2" redis2 rabbit2
 
-    oracle3Values="-e ORACLE_VALIDATOR_ADDRESS=0xDcef88209a20D52165230104B245803C3269454d -e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=f877f62a1c19f852cff1d29f0fb1ecac18821c0080d4cc0520c60c098293dca1"
-    startValidator "-p validator3" "$oracle3Values" redis3 rabbit3
+    oracleAddr="-e ORACLE_VALIDATOR_ADDRESS=0xDcef88209a20D52165230104B245803C3269454d"
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=f877f62a1c19f852cff1d29f0fb1ecac18821c0080d4cc0520c60c098293dca1"
+    startValidator "-p validator3" redis3 rabbit3
   fi
 
   if [ "$1" == "generate-amb-tx" ]; then
@@ -98,19 +106,20 @@ while [ "$1" != "" ]; do
   fi
 
   if [ "$1" == "manual-amb-relay" ]; then
+    oraclePK="-e ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY=8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9"
     env="-e COMMON_HOME_BRIDGE_ADDRESS=0x5A42E119990c3F3A80Fea20aAF4c3Ff4DB240Cc9 -e COMMON_FOREIGN_BRIDGE_ADDRESS=0x897527391ad3837604973d78D3514f44c36AB9FC"
     # these tx hash are hardcoded and need to be updated manually
     # once e2e environment setup process is changed
     echo '0xea625a823bc5018dc3a4efe349f623e5ebb8c987b55f44d50d6556f42af9a400' > txHashes.txt
-    docker-compose -p validator1 run -v $(pwd)/txHashes.txt:/tmp/txHashes.txt $env oracle-amb yarn confirm:affirmation-request \
+    docker-compose -p validator1 run -v $(pwd)/txHashes.txt:/tmp/txHashes.txt $oraclePK $env oracle-amb yarn confirm:affirmation-request \
       /tmp/txHashes.txt \
       0x031c42e44485002c9215a5b1b75e9516131485ce29884a58765bf7a0038538f9
-    docker-compose -p validator1 run $env oracle-amb yarn confirm:signature-request \
+    docker-compose -p validator1 run $oraclePK $env oracle-amb yarn confirm:signature-request \
       0x1506a18af91afe732167ccbc178b55fc2547da4a814d13c015b6f496cf171754 | tee .tmp.log
     tx_hash=$(cat .tmp.log | grep generatedTransactionHash | jq -r .generatedTransactionHash)
     rm .tmp.log
     rm txHashes.txt
-    docker-compose -p validator1 run $env oracle-amb yarn confirm:collected-signatures $tx_hash
+    docker-compose -p validator1 run $oraclePK $env oracle-amb yarn confirm:collected-signatures $tx_hash
   fi
 
   shift # Shift all the parameters down by one
diff --git a/oracle-e2e/test/ercToNative.js b/oracle-e2e/test/ercToNative.js
index 7f8a3ccb..7a0352c4 100644
--- a/oracle-e2e/test/ercToNative.js
+++ b/oracle-e2e/test/ercToNative.js
@@ -100,6 +100,8 @@ describe('erc to native', () => {
 
     const transferValue = homeWeb3.utils.toWei('0.05')
 
+    // transfer that should not be processed by the filter
+    await erc20Token.methods.transfer(secondUser.address, transferValue).send({ from: user.address, gas: 100000 })
     // send tokens to foreign bridge
     await erc20Token.methods
       .transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, transferValue)
diff --git a/oracle/config/base.config.js b/oracle/config/base.config.js
index 54748622..6dc94902 100644
--- a/oracle/config/base.config.js
+++ b/oracle/config/base.config.js
@@ -8,7 +8,8 @@ const {
   FOREIGN_AMB_ABI
 } = require('../../commons')
 const { web3Home, web3Foreign } = require('../src/services/web3')
-const { privateKeyToAddress } = require('../src/utils/utils')
+const { add0xPrefix, privateKeyToAddress } = require('../src/utils/utils')
+const { EXIT_CODES } = require('../src/utils/constants')
 
 const {
   ORACLE_BRIDGE_MODE,
@@ -79,9 +80,22 @@ const foreignConfig = {
 const maxProcessingTime =
   parseInt(ORACLE_MAX_PROCESSING_TIME, 10) || 4 * Math.max(homeConfig.pollingInterval, foreignConfig.pollingInterval)
 
+let validatorPrivateKey
+if (ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY) {
+  validatorPrivateKey = add0xPrefix(ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY)
+  const derived = privateKeyToAddress(validatorPrivateKey)
+  if (ORACLE_VALIDATOR_ADDRESS && derived.toLowerCase() !== ORACLE_VALIDATOR_ADDRESS.toLowerCase()) {
+    console.error(
+      `Derived address from private key - ${derived} is different from ORACLE_VALIDATOR_ADDRESS=${ORACLE_VALIDATOR_ADDRESS}`
+    )
+    process.exit(EXIT_CODES.INCOMPATIBILITY)
+  }
+}
+
 module.exports = {
   eventFilter: {},
-  validatorAddress: ORACLE_VALIDATOR_ADDRESS || privateKeyToAddress(ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY),
+  validatorPrivateKey,
+  validatorAddress: ORACLE_VALIDATOR_ADDRESS || privateKeyToAddress(validatorPrivateKey),
   maxProcessingTime,
   shutdownKey: 'oracle-shutdown',
   home: homeConfig,
diff --git a/oracle/config/transfer-watcher.config.js b/oracle/config/transfer-watcher.config.js
index d25a63e2..1729ffae 100644
--- a/oracle/config/transfer-watcher.config.js
+++ b/oracle/config/transfer-watcher.config.js
@@ -1,20 +1,7 @@
 const baseConfig = require('./base.config')
-const { ERC20_ABI } = require('../../commons')
+const { ERC20_ABI, ZERO_ADDRESS } = require('../../commons')
 const { EXIT_CODES } = require('../src/utils/constants')
 
-const initialChecksJson = process.argv[3]
-
-if (!initialChecksJson) {
-  throw new Error('initial check parameter was not provided.')
-}
-
-let initialChecks
-try {
-  initialChecks = JSON.parse(initialChecksJson)
-} catch (e) {
-  throw new Error('Error on decoding values from initial checks.')
-}
-
 const id = `${baseConfig.id}-transfer`
 
 if (baseConfig.id !== 'erc-native') {
@@ -22,14 +9,14 @@ if (baseConfig.id !== 'erc-native') {
   process.exit(EXIT_CODES.WATCHER_NOT_REQUIRED)
 }
 
+// exact address of the token contract is set in the watcher.js checkConditions() function
+baseConfig.foreign.eventContract = new baseConfig.foreign.web3.eth.Contract(ERC20_ABI, ZERO_ADDRESS)
+
 module.exports = {
   ...baseConfig,
-  main: {
-    ...baseConfig.foreign,
-    eventContract: new baseConfig.foreign.web3.eth.Contract(ERC20_ABI, initialChecks.bridgeableTokenAddress)
-  },
+  main: baseConfig.foreign,
   event: 'Transfer',
-  eventFilter: { to: process.env.COMMON_FOREIGN_BRIDGE_ADDRESS },
+  eventFilter: { to: baseConfig.foreign.bridgeAddress },
   sender: 'home',
   queue: 'home-prioritized',
   name: `watcher-${id}`,
diff --git a/oracle/scripts/initialChecks.js b/oracle/scripts/initialChecks.js
deleted file mode 100644
index 1cd9630c..00000000
--- a/oracle/scripts/initialChecks.js
+++ /dev/null
@@ -1,26 +0,0 @@
-require('../env')
-const { getTokensState } = require('../src/utils/tokenState')
-const { FOREIGN_ERC_TO_NATIVE_ABI } = require('../../commons')
-const { web3Foreign } = require('../src/services/web3')
-
-const emptyLogger = {
-  debug: () => {},
-  info: () => {}
-}
-
-async function initialChecks() {
-  const { ORACLE_BRIDGE_MODE, COMMON_FOREIGN_BRIDGE_ADDRESS } = process.env
-  let result = {}
-
-  if (ORACLE_BRIDGE_MODE === 'ERC_TO_NATIVE') {
-    const bridge = new web3Foreign.eth.Contract(FOREIGN_ERC_TO_NATIVE_ABI, COMMON_FOREIGN_BRIDGE_ADDRESS)
-    result = await getTokensState(bridge, emptyLogger)
-  }
-
-  console.log(JSON.stringify(result))
-  return result
-}
-
-const result = initialChecks()
-
-module.exports = result
diff --git a/oracle/scripts/start-worker.sh b/oracle/scripts/start-worker.sh
index 6e21fbfc..9cb0a12f 100755
--- a/oracle/scripts/start-worker.sh
+++ b/oracle/scripts/start-worker.sh
@@ -10,10 +10,8 @@ CONFIG="${2}.config.js"
 LOG="${LOGS_DIR}${2}.txt"
 TX_HASH=${@:3}
 
-CHECKS=$(node scripts/initialChecks.js)
-
 if [ "${NODE_ENV}" = "production" ]; then
-  exec node "${WORKER}" "${CONFIG}" "$CHECKS" $TX_HASH
+  exec node "${WORKER}" "${CONFIG}" $TX_HASH
 else
-  node "${WORKER}" "${CONFIG}" "$CHECKS" $TX_HASH | tee -a "${LOG}" | pino-pretty
+  node "${WORKER}" "${CONFIG}" $TX_HASH | tee -a "${LOG}" | pino-pretty
 fi
diff --git a/oracle/src/confirmRelay.js b/oracle/src/confirmRelay.js
index 570ab412..9a71f62e 100644
--- a/oracle/src/confirmRelay.js
+++ b/oracle/src/confirmRelay.js
@@ -9,9 +9,9 @@ const { sendTx } = require('./tx/sendTx')
 const { checkHTTPS, watchdog, syncForEach, addExtraGas } = require('./utils/utils')
 const { EXIT_CODES, EXTRA_GAS_PERCENTAGE, MAX_GAS_LIMIT } = require('./utils/constants')
 
-const { ORACLE_VALIDATOR_ADDRESS, ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY, ORACLE_ALLOW_HTTP_FOR_RPC } = process.env
+const { ORACLE_ALLOW_HTTP_FOR_RPC } = process.env
 
-if (process.argv.length < 5) {
+if (process.argv.length < 4) {
   logger.error('Please check the number of arguments, transaction hash is not present')
   process.exit(EXIT_CODES.GENERAL_ERROR)
 }
@@ -29,7 +29,7 @@ function readTxHashes(filePath) {
     .filter(isTxHash)
 }
 
-const txHashesArgs = process.argv.slice(4)
+const txHashesArgs = process.argv.slice(3)
 const rawTxHashes = txHashesArgs.filter(isTxHash)
 const txHashesFiles = txHashesArgs.filter(path => fs.existsSync(path)).flatMap(readTxHashes)
 const txHashes = [...rawTxHashes, ...txHashesFiles]
@@ -152,7 +152,7 @@ async function sendJobTx(jobs) {
   const { web3 } = config.sender === 'foreign' ? config.foreign : config.home
 
   const chainId = await getChainId(web3)
-  let nonce = await getNonce(web3, ORACLE_VALIDATOR_ADDRESS)
+  let nonce = await getNonce(web3, config.validatorAddress)
 
   await syncForEach(jobs, async job => {
     let gasLimit
@@ -170,7 +170,7 @@ async function sendJobTx(jobs) {
         gasPrice,
         amount: '0',
         gasLimit,
-        privateKey: ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY,
+        privateKey: config.validatorPrivateKey,
         to: job.to,
         chainId,
         web3
@@ -189,7 +189,7 @@ async function sendJobTx(jobs) {
       )
 
       if (e.message.toLowerCase().includes('insufficient funds')) {
-        const currentBalance = await web3.eth.getBalance(ORACLE_VALIDATOR_ADDRESS)
+        const currentBalance = await web3.eth.getBalance(config.validatorAddress)
         const minimumBalance = gasLimit.multipliedBy(gasPrice)
         logger.error(
           `Insufficient funds: ${currentBalance}. Stop processing messages until the balance is at least ${minimumBalance}.`
diff --git a/oracle/src/events/processAMBSignatureRequests/index.js b/oracle/src/events/processAMBSignatureRequests/index.js
index 3cf87907..921af6c9 100644
--- a/oracle/src/events/processAMBSignatureRequests/index.js
+++ b/oracle/src/events/processAMBSignatureRequests/index.js
@@ -8,8 +8,6 @@ const estimateGas = require('../processSignatureRequests/estimateGas')
 const { AlreadyProcessedError, AlreadySignedError, InvalidValidatorError } = require('../../utils/errors')
 const { EXIT_CODES, MAX_CONCURRENT_EVENTS } = require('../../utils/constants')
 
-const { ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY } = process.env
-
 const limit = promiseLimit(MAX_CONCURRENT_EVENTS)
 
 function processSignatureRequestsBuilder(config) {
@@ -37,7 +35,7 @@ function processSignatureRequestsBuilder(config) {
         const { sender, executor } = parseAMBMessage(message)
         logger.info({ sender, executor }, `Processing signatureRequest ${messageId}`)
 
-        const signature = web3.eth.accounts.sign(message, `0x${ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY}`)
+        const signature = web3.eth.accounts.sign(message, config.validatorPrivateKey)
 
         let gasEstimate
         try {
diff --git a/oracle/src/events/processSignatureRequests/index.js b/oracle/src/events/processSignatureRequests/index.js
index 00a6e908..ccb14eea 100644
--- a/oracle/src/events/processSignatureRequests/index.js
+++ b/oracle/src/events/processSignatureRequests/index.js
@@ -8,8 +8,6 @@ const estimateGas = require('./estimateGas')
 const { AlreadyProcessedError, AlreadySignedError, InvalidValidatorError } = require('../../utils/errors')
 const { EXIT_CODES, MAX_CONCURRENT_EVENTS } = require('../../utils/constants')
 
-const { ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY } = process.env
-
 const limit = promiseLimit(MAX_CONCURRENT_EVENTS)
 
 function processSignatureRequestsBuilder(config) {
@@ -48,7 +46,7 @@ function processSignatureRequestsBuilder(config) {
           expectedMessageLength
         })
 
-        const signature = web3.eth.accounts.sign(message, `0x${ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY}`)
+        const signature = web3.eth.accounts.sign(message, config.validatorPrivateKey)
 
         let gasEstimate
         try {
diff --git a/oracle/src/sender.js b/oracle/src/sender.js
index 7c4fb534..7898e2a3 100644
--- a/oracle/src/sender.js
+++ b/oracle/src/sender.js
@@ -10,7 +10,6 @@ const { getNonce, getChainId } = require('./tx/web3')
 const {
   addExtraGas,
   checkHTTPS,
-  privateKeyToAddress,
   syncForEach,
   waitForFunds,
   waitForUnsuspend,
@@ -19,9 +18,7 @@ const {
 } = require('./utils/utils')
 const { EXIT_CODES, EXTRA_GAS_PERCENTAGE, MAX_GAS_LIMIT } = require('./utils/constants')
 
-const { ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY, ORACLE_TX_REDUNDANCY } = process.env
-
-const ORACLE_VALIDATOR_ADDRESS = privateKeyToAddress(ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY)
+const { ORACLE_TX_REDUNDANCY } = process.env
 
 if (process.argv.length < 3) {
   logger.error('Please check the number of arguments, config file was not provided')
@@ -84,7 +81,7 @@ async function readNonce(forceUpdate) {
   logger.debug('Reading nonce')
   if (forceUpdate) {
     logger.debug('Forcing update of nonce')
-    return getNonce(web3, ORACLE_VALIDATOR_ADDRESS)
+    return getNonce(web3, config.validatorAddress)
   }
 
   const nonce = await redis.get(nonceKey)
@@ -93,7 +90,7 @@ async function readNonce(forceUpdate) {
     return Number(nonce)
   } else {
     logger.warn("Nonce wasn't found in the DB")
-    return getNonce(web3, ORACLE_VALIDATOR_ADDRESS)
+    return getNonce(web3, config.validatorAddress)
   }
 }
 
@@ -168,7 +165,7 @@ async function main({ msg, ackMsg, nackMsg, channel, scheduleForRetry, scheduleT
           gasPrice,
           amount: '0',
           gasLimit,
-          privateKey: ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY,
+          privateKey: config.validatorPrivateKey,
           to: job.to,
           chainId,
           web3: web3Redundant
@@ -208,7 +205,7 @@ async function main({ msg, ackMsg, nackMsg, channel, scheduleForRetry, scheduleT
 
         if (message.includes('insufficient funds')) {
           insufficientFunds = true
-          const currentBalance = await web3.eth.getBalance(ORACLE_VALIDATOR_ADDRESS)
+          const currentBalance = await web3.eth.getBalance(config.validatorAddress)
           minimumBalance = gasLimit.multipliedBy(gasPrice)
           logger.error(
             `Insufficient funds: ${currentBalance}. Stop processing messages until the balance is at least ${minimumBalance}.`
@@ -238,7 +235,7 @@ async function main({ msg, ackMsg, nackMsg, channel, scheduleForRetry, scheduleT
     if (insufficientFunds) {
       logger.warn('Insufficient funds. Stop sending transactions until the account has the minimum balance')
       channel.close()
-      waitForFunds(web3, ORACLE_VALIDATOR_ADDRESS, minimumBalance, resume, logger)
+      waitForFunds(web3, config.validatorAddress, minimumBalance, resume, logger)
     }
   } catch (e) {
     logger.error(e)
diff --git a/oracle/src/services/logger.js b/oracle/src/services/logger.js
index dd002af2..46dc7d05 100644
--- a/oracle/src/services/logger.js
+++ b/oracle/src/services/logger.js
@@ -9,12 +9,9 @@ const logger = pino({
   enabled: process.env.NODE_ENV !== 'test',
   name: config.name,
   level: process.env.ORACLE_LOG_LEVEL || 'debug',
-  base:
-    process.env.NODE_ENV === 'production'
-      ? {
-          validator: process.env.ORACLE_VALIDATOR_ADDRESS
-        }
-      : {}
+  base: {
+    validator: config.validatorAddress
+  }
 })
 
 setLogger(logger)
diff --git a/oracle/src/tx/sendTx.js b/oracle/src/tx/sendTx.js
index ac2e4407..e9782212 100644
--- a/oracle/src/tx/sendTx.js
+++ b/oracle/src/tx/sendTx.js
@@ -11,7 +11,7 @@ async function sendTx({ privateKey, data, nonce, gasPrice, amount, gasLimit, to,
       gasPrice,
       gas: gasLimit
     },
-    `0x${privateKey}`
+    privateKey
   )
 
   return new Promise((res, rej) =>
diff --git a/oracle/src/utils/utils.js b/oracle/src/utils/utils.js
index f907f7b7..caeb6a0a 100644
--- a/oracle/src/utils/utils.js
+++ b/oracle/src/utils/utils.js
@@ -153,6 +153,7 @@ module.exports = {
   addExtraGas,
   setIntervalAndRun,
   watchdog,
+  add0xPrefix,
   privateKeyToAddress,
   nonceError,
   getRetrySequence,