diff --git a/CHANGELOG.md b/CHANGELOG.md
index 479e422f2..f427d1e1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 ## Current Master
 
+## 4.5.3 Wed Apr 04 2018
+
+- Fix bug where checksum address are messing with balance issue [#3843](https://github.com/MetaMask/metamask-extension/issues/3843)
+- new ui: fix the confirm transaction screen
+
+## 4.5.2 Wed Apr 04 2018
+
+- Fix overly strict validation where transactions were rejected with hex encoded "chainId"
+
 ## 4.5.1 Tue Apr 03 2018
 
 - Fix default network (should be mainnet not Rinkeby)
diff --git a/app/manifest.json b/app/manifest.json
index 99305f20e..61d2c5b5e 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "__MSG_appName__",
   "short_name": "__MSG_appName__",
-  "version": "4.5.1",
+  "version": "4.5.3",
   "manifest_version": 2,
   "author": "https://metamask.io",
   "description": "__MSG_appDescription__",
diff --git a/app/scripts/contentscript.js b/app/scripts/contentscript.js
index 2098fae27..fe1766273 100644
--- a/app/scripts/contentscript.js
+++ b/app/scripts/contentscript.js
@@ -131,7 +131,11 @@ function documentElementCheck () {
 }
 
 function blacklistedDomainCheck () {
-  var blacklistedDomains = ['uscourts.gov', 'dropbox.com']
+  var blacklistedDomains = [
+    'uscourts.gov',
+    'dropbox.com',
+    'webbyawards.com',
+  ]
   var currentUrl = window.location.href
   var currentRegex
   for (let i = 0; i < blacklistedDomains.length; i++) {
diff --git a/app/scripts/controllers/transactions.js b/app/scripts/controllers/transactions.js
index 31e53554d..a73a8b36d 100644
--- a/app/scripts/controllers/transactions.js
+++ b/app/scripts/controllers/transactions.js
@@ -185,7 +185,8 @@ module.exports = class TransactionController extends EventEmitter {
 
   async addUnapprovedTransaction (txParams) {
     // validate
-    await this.txGasUtil.validateTxParams(txParams)
+    this._validateTxParams(txParams)
+    this._normalizeTxParams(txParams)
     // construct txMeta
     let txMeta = this.txStateManager.generateTxMeta({txParams})
     this.addTx(txMeta)
@@ -215,7 +216,6 @@ module.exports = class TransactionController extends EventEmitter {
     }
     txParams.gasPrice = ethUtil.addHexPrefix(gasPrice.toString(16))
     txParams.value = txParams.value || '0x0'
-    if (txParams.to === null) delete txParams.to
     // set gasLimit
     return await this.txGasUtil.analyzeGasUsage(txMeta)
   }
@@ -314,6 +314,61 @@ module.exports = class TransactionController extends EventEmitter {
 //           PRIVATE METHODS
 //
 
+  _normalizeTxParams (txParams) {
+    delete txParams.chainId
+
+    if ( !txParams.to ) {
+      delete txParams.to
+    } else {
+      txParams.to = ethUtil.addHexPrefix(txParams.to)
+    }
+    txParams.from = ethUtil.addHexPrefix(txParams.from).toLowerCase()
+
+    if (!txParams.data) {
+      delete txParams.data
+    } else {
+      txParams.data = ethUtil.addHexPrefix(txParams.data)
+    }
+
+    if (txParams.value) txParams.value = ethUtil.addHexPrefix(txParams.value)
+
+    if (txParams.gas) txParams.gas = ethUtil.addHexPrefix(txParams.gas)
+    if (txParams.gasPrice) txParams.gas = ethUtil.addHexPrefix(txParams.gas)
+  }
+
+  _validateTxParams (txParams) {
+    this._validateFrom(txParams)
+    this._validateRecipient(txParams)
+    if ('value' in txParams) {
+      const value = txParams.value.toString()
+      if (value.includes('-')) {
+        throw new Error(`Invalid transaction value of ${txParams.value} not a positive number.`)
+      }
+
+      if (value.includes('.')) {
+        throw new Error(`Invalid transaction value of ${txParams.value} number must be in wei`)
+      }
+    }
+  }
+
+  _validateFrom (txParams) {
+    if ( !(typeof txParams.from === 'string') ) throw new Error(`Invalid from address ${txParams.from} not a string`)
+    if (!ethUtil.isValidAddress(txParams.from)) throw new Error('Invalid from address')
+  }
+
+  _validateRecipient (txParams) {
+    if (txParams.to === '0x' || txParams.to === null ) {
+      if (txParams.data) {
+        delete txParams.to
+      } else {
+        throw new Error('Invalid recipient address')
+      }
+    } else if ( txParams.to !== undefined && !ethUtil.isValidAddress(txParams.to) ) {
+      throw new Error('Invalid recipient address')
+    }
+    return txParams
+  }
+
   _markNonceDuplicatesDropped (txId) {
     this.txStateManager.setTxStatusConfirmed(txId)
     // get the confirmed transactions nonce and from address
diff --git a/app/scripts/lib/tx-gas-utils.js b/app/scripts/lib/tx-gas-utils.js
index 829b4c421..c579e462a 100644
--- a/app/scripts/lib/tx-gas-utils.js
+++ b/app/scripts/lib/tx-gas-utils.js
@@ -4,7 +4,7 @@ const {
   BnMultiplyByFraction,
   bnToHex,
 } = require('./util')
-const { addHexPrefix, isValidAddress } = require('ethereumjs-util')
+const { addHexPrefix } = require('ethereumjs-util')
 const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.
 
 /*
@@ -100,37 +100,4 @@ module.exports = class TxGasUtil {
     // otherwise use blockGasLimit
     return bnToHex(upperGasLimitBn)
   }
-
-  async validateTxParams (txParams) {
-    this.validateFrom(txParams)
-    this.validateRecipient(txParams)
-    if ('value' in txParams) {
-      const value = txParams.value.toString()
-      if (value.includes('-')) {
-        throw new Error(`Invalid transaction value of ${txParams.value} not a positive number.`)
-      }
-
-      if (value.includes('.')) {
-        throw new Error(`Invalid transaction value of ${txParams.value} number must be in wei`)
-      }
-    }
-  }
-
-  validateFrom (txParams) {
-    if ( !(typeof txParams.from === 'string') ) throw new Error(`Invalid from address ${txParams.from} not a string`)
-    if (!isValidAddress(txParams.from)) throw new Error('Invalid from address')
-  }
-
-  validateRecipient (txParams) {
-    if (txParams.to === '0x' || txParams.to === null ) {
-      if (txParams.data) {
-        delete txParams.to
-      } else {
-        throw new Error('Invalid recipient address')
-      }
-    } else if ( txParams.to !== undefined && !isValidAddress(txParams.to) ) {
-      throw new Error('Invalid recipient address')
-    }
-    return txParams
-  }
 }
\ No newline at end of file
diff --git a/app/scripts/lib/tx-state-manager.js b/app/scripts/lib/tx-state-manager.js
index 9e597ef37..2ab24d6a0 100644
--- a/app/scripts/lib/tx-state-manager.js
+++ b/app/scripts/lib/tx-state-manager.js
@@ -143,7 +143,7 @@ module.exports = class TransactionStateManager extends EventEmitter {
       // validate types
       switch (key) {
         case 'chainId':
-          if (typeof value !== 'number') throw new Error(`${key} in txParams is not a Number. got: (${value})`)
+          if (typeof value !== 'number' && typeof value !== 'string') throw new Error(`${key} in txParams is not a Number or hex string. got: (${value})`)
           break
         default:
           if (typeof value !== 'string') throw new Error(`${key} in txParams is not a string. got: (${value})`)
diff --git a/app/scripts/migrations/024.js b/app/scripts/migrations/024.js
new file mode 100644
index 000000000..7a0391805
--- /dev/null
+++ b/app/scripts/migrations/024.js
@@ -0,0 +1,45 @@
+
+const version = 24
+
+/*
+
+This migration ensures that the from address in txParams is to lower case for
+all unapproved transactions
+
+*/
+
+const clone = require('clone')
+
+module.exports = {
+  version,
+
+  migrate: function (originalVersionedData) {
+    const versionedData = clone(originalVersionedData)
+    versionedData.meta.version = version
+    try {
+      const state = versionedData.data
+      const newState = transformState(state)
+      versionedData.data = newState
+    } catch (err) {
+      console.warn(`MetaMask Migration #${version}` + err.stack)
+    }
+    return Promise.resolve(versionedData)
+  },
+}
+
+function transformState (state) {
+  const newState = state
+  const transactions = newState.TransactionController.transactions
+
+  newState.TransactionController.transactions = transactions.map((txMeta, _, txList) => {
+    if (
+      txMeta.status === 'unapproved' &&
+      txMeta.txParams &&
+      txMeta.txParams.from
+      ) {
+      txMeta.txParams.from = txMeta.txParams.from.toLowerCase()
+    }
+    return txMeta
+  })
+  return newState
+}
diff --git a/app/scripts/migrations/index.js b/app/scripts/migrations/index.js
index 811e06b6b..7e4542740 100644
--- a/app/scripts/migrations/index.js
+++ b/app/scripts/migrations/index.js
@@ -34,4 +34,5 @@ module.exports = [
   require('./021'),
   require('./022'),
   require('./023'),
+  require('./024'),
 ]
diff --git a/test/unit/migrations/024-test.js b/test/unit/migrations/024-test.js
new file mode 100644
index 000000000..dab77d4e4
--- /dev/null
+++ b/test/unit/migrations/024-test.js
@@ -0,0 +1,37 @@
+const assert = require('assert')
+const migration24 = require('../../../app/scripts/migrations/024')
+const properTime = (new Date()).getTime()
+const storage = {
+  "meta": {},
+  "data": {
+    "TransactionController": {
+      "transactions": [
+      ]
+    },
+  },
+}
+
+const transactions = []
+
+
+while (transactions.length <= 10) {
+  transactions.push({ txParams: { from: '0x8aCce2391c0d510a6c5E5d8f819a678f79b7e675' }, status: 'unapproved' })
+  transactions.push({ txParams: { from: '0x8aCce2391c0d510a6c5E5d8f819a678f79b7e675' }, status: 'confirmed' })
+}
+
+
+storage.data.TransactionController.transactions = transactions
+
+describe('storage is migrated successfully and the txParams.from are lowercase', () => {
+  it('should lowercase the from for unapproved txs', (done) => {
+    migration24.migrate(storage)
+    .then((migratedData) => {
+      const migratedTransactions = migratedData.data.TransactionController.transactions
+      migratedTransactions.forEach((tx) => {
+        if (tx.status === 'unapproved') assert.equal(tx.txParams.from, '0x8acce2391c0d510a6c5e5d8f819a678f79b7e675')
+        else assert.equal(tx.txParams.from, '0x8aCce2391c0d510a6c5E5d8f819a678f79b7e675')
+      })
+      done()
+    }).catch(done)
+  })
+})
diff --git a/test/unit/tx-controller-test.js b/test/unit/tx-controller-test.js
index 6bd010e7a..3fec9758f 100644
--- a/test/unit/tx-controller-test.js
+++ b/test/unit/tx-controller-test.js
@@ -210,29 +210,96 @@ describe('Transaction Controller', function () {
     })
   })
 
-  describe('#validateTxParams', function () {
-    it('does not throw for positive values', function (done) {
+  describe('#_validateTxParams', function () {
+    it('does not throw for positive values', function () {
       var sample = {
         from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
         value: '0x01',
       }
-      txController.txGasUtil.validateTxParams(sample).then(() => {
-        done()
-      }).catch(done)
+      txController._validateTxParams(sample)
     })
 
-    it('returns error for negative values', function (done) {
+    it('returns error for negative values', function () {
       var sample = {
         from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
         value: '-0x01',
       }
-      txController.txGasUtil.validateTxParams(sample)
-      .then(() => done('expected to thrown on negativity values but didn\'t'))
-      .catch((err) => {
+      try {
+        txController._validateTxParams(sample)
+      } catch (err) {
         assert.ok(err, 'error')
-        done()
-      })
+      }
+    })
+  })
+
+  describe('#_normalizeTxParams', () => {
+    it('should normalize txParams', () => {
+      let txParams = {
+        chainId: '0x1',
+        from: 'a7df1beDBF813f57096dF77FCd515f0B3900e402',
+        to: null,
+        data: '68656c6c6f20776f726c64',
+      }
+
+      txController._normalizeTxParams(txParams)
+
+      assert(!txParams.chainId, 'their should be no chainId')
+      assert(!txParams.to, 'their should be no to address if null')
+      assert.equal(txParams.from.slice(0, 2), '0x', 'from should be hexPrefixd')
+      assert.equal(txParams.data.slice(0, 2), '0x', 'data should be hexPrefixd')
+
+      txParams.to = 'a7df1beDBF813f57096dF77FCd515f0B3900e402'
+
+      txController._normalizeTxParams(txParams)
+      assert.equal(txParams.to.slice(0, 2), '0x', 'to should be hexPrefixd')
+
+    })
+  })
+
+  describe('#_validateRecipient', () => {
+    it('removes recipient for txParams with 0x when contract data is provided', function () {
+      const zeroRecipientandDataTxParams = {
+        from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
+        to: '0x',
+        data: 'bytecode',
+      }
+      const sanitizedTxParams = txController._validateRecipient(zeroRecipientandDataTxParams)
+      assert.deepEqual(sanitizedTxParams, { from: '0x1678a085c290ebd122dc42cba69373b5953b831d', data: 'bytecode' }, 'no recipient with 0x')
     })
+
+    it('should error when recipient is 0x', function () {
+      const zeroRecipientTxParams = {
+        from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
+        to: '0x',
+      }
+      assert.throws(() => { txController._validateRecipient(zeroRecipientTxParams) }, Error, 'Invalid recipient address')
+    })
+  })
+
+
+  describe('#_validateFrom', () => {
+    it('should error when from is not a hex string', function () {
+
+      // where from is undefined
+      const txParams = {}
+      assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)
+
+      // where from is array
+      txParams.from = []
+      assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)
+
+      // where from is a object
+      txParams.from = {}
+      assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)
+
+      // where from is a invalid address
+      txParams.from = 'im going to fail'
+      assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address`)
+
+      // should run
+      txParams.from ='0x1678a085c290ebd122dc42cba69373b5953b831d'
+      txController._validateFrom(txParams)
+      })
   })
 
   describe('#addTx', function () {
diff --git a/test/unit/tx-gas-util-test.js b/test/unit/tx-gas-util-test.js
index 15d412c72..40ea8a7d6 100644
--- a/test/unit/tx-gas-util-test.js
+++ b/test/unit/tx-gas-util-test.js
@@ -11,46 +11,4 @@ describe('Tx Gas Util', function () {
       provider,
     })
   })
-
-  it('removes recipient for txParams with 0x when contract data is provided', function () {
-    const zeroRecipientandDataTxParams = {
-      from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
-      to: '0x',
-      data: 'bytecode',
-    }
-    const sanitizedTxParams = txGasUtil.validateRecipient(zeroRecipientandDataTxParams)
-    assert.deepEqual(sanitizedTxParams, { from: '0x1678a085c290ebd122dc42cba69373b5953b831d', data: 'bytecode' }, 'no recipient with 0x')
-  })
-
-  it('should error when recipient is 0x', function () {
-    const zeroRecipientTxParams = {
-      from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
-      to: '0x',
-    }
-    assert.throws(() => { txGasUtil.validateRecipient(zeroRecipientTxParams) }, Error, 'Invalid recipient address')
-  })
-
-  it('should error when from is not a hex string', function () {
-
-    // where from is undefined
-    const txParams = {}
-    assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)
-
-    // where from is array
-    txParams.from = []
-    assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)
-
-    // where from is a object
-    txParams.from = {}
-    assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)
-
-    // where from is a invalid address
-    txParams.from = 'im going to fail'
-    assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address`)
-
-    // should run
-    txParams.from ='0x1678a085c290ebd122dc42cba69373b5953b831d'
-    txGasUtil.validateFrom(txParams)
-    })
-
 })
diff --git a/ui/app/components/ens-input.js b/ui/app/components/ens-input.js
index 1f3946817..feb0a7037 100644
--- a/ui/app/components/ens-input.js
+++ b/ui/app/components/ens-input.js
@@ -32,10 +32,10 @@ EnsInput.prototype.render = function () {
       const network = this.props.network
       const networkHasEnsSupport = getNetworkEnsSupport(network)
 
-      if (!networkHasEnsSupport) return
-
       props.onChange(recipient)
 
+      if (!networkHasEnsSupport) return
+
       if (recipient.match(ensRE) === null) {
         return this.setState({
           loadingEns: false,
diff --git a/ui/app/components/pending-tx/confirm-send-ether.js b/ui/app/components/pending-tx/confirm-send-ether.js
index 4e2f763fc..afd459415 100644
--- a/ui/app/components/pending-tx/confirm-send-ether.js
+++ b/ui/app/components/pending-tx/confirm-send-ether.js
@@ -242,6 +242,7 @@ ConfirmSendEther.prototype.getData = function () {
   const { identities } = this.props
   const txMeta = this.gatherTxMeta()
   const txParams = txMeta.txParams || {}
+  const account = identities ? identities[txParams.from] || {} : {}
   const { FIAT: gasFeeInFIAT, ETH: gasFeeInETH, gasFeeInHex } = this.getGasFee()
   const { FIAT: amountInFIAT, ETH: amountInETH } = this.getAmount()
 
@@ -257,7 +258,7 @@ ConfirmSendEther.prototype.getData = function () {
   return {
     from: {
       address: txParams.from,
-      name: identities[txParams.from].name,
+      name: account.name,
     },
     to: {
       address: txParams.to,