diff --git a/bin/cert-gen.sh b/bin/cert-gen.sh
index 2be643ae..b64c042f 100755
--- a/bin/cert-gen.sh
+++ b/bin/cert-gen.sh
@@ -13,6 +13,8 @@ LAMASSU_CA_PATH=$PWD/Lamassu_CA.pem
 MIGRATE_STATE_PATH=$CONFIG_DIR/.migrate
 POSTGRES_PASS=postgres123
 OFAC_DATA_DIR=$CONFIG_DIR/ofac
+IDPHOTOCARD_DIR=$CONFIG_DIR/idphotocard
+FRONTCAMERA_DIR=$CONFIG_DIR/frontcamera
 
 mkdir -p $CERT_DIR
 mkdir -p $CONFIG_DIR >> $LOG_FILE 2>&1
@@ -109,7 +111,9 @@ cat <<EOF > $CONFIG_DIR/lamassu.json
       "name": "cons_advanced",
       "url": "https://www.treasury.gov/ofac/downloads/sanctions/1.0/cons_advanced.xml"
     }
-  ]
+  ],
+  "idPhotoCardDir": "$IDPHOTOCARD_DIR",
+  "frontCameraDir": "$FRONTCAMERA_DIR"
 }
 EOF
 
diff --git a/bin/hkdf b/bin/hkdf
index eb700684..2e3cdb14 100755
--- a/bin/hkdf
+++ b/bin/hkdf
@@ -13,5 +13,5 @@ if (process.argv.length !== 4) {
   process.exit(3)
 }
 
-const masterSeed = new Buffer(masterSeedHex, 'hex')
-console.log(hkdf(masterSeed, 32, {salt: 'lamassu-server-salt', info: label}).toString('hex'))
+const masterSeed = Buffer.from(masterSeedHex, 'hex')
+console.log(hkdf(masterSeed, 32, { salt: 'lamassu-server-salt', info: label }).toString('hex'))
diff --git a/bin/lamassu-coinatmradar b/bin/lamassu-coinatmradar
index 1f2836fe..5912b71a 100644
--- a/bin/lamassu-coinatmradar
+++ b/bin/lamassu-coinatmradar
@@ -1,7 +1,5 @@
 #!/usr/bin/env bash
 
-SEED="$(cat ~/seeds/seed.txt)"
-
 echo
 echo "Here is the 'External ID' of your paired machine(s), for use under the 'ATM / Teller details' of your CoinATMRadar listing:"
 echo
@@ -9,5 +7,5 @@ su - postgres -c "psql \"lamassu\" -Atc \"select regexp_replace(device_id, '$',
 echo
 echo "If speaking with CoinATMRadar directly, it may be helpful to let them know your 'Operator ID':"
 echo
-$(npm root -g)/lamassu-server/bin/hkdf operator-id "$SEED" | cut -c -32
+$(npm root -g)/lamassu-server/bin/lamassu-operator
 echo
diff --git a/bin/lamassu-operator b/bin/lamassu-operator
index b2792cdd..104a1c5e 100644
--- a/bin/lamassu-operator
+++ b/bin/lamassu-operator
@@ -1,9 +1,12 @@
-#!/usr/bin/env bash
+#!/usr/bin/env node
 
-SEED="$(cat ~/seeds/seed.txt)"
+const fs = require('fs')
+const hkdf = require('futoin-hkdf')
 
-echo
-echo "Your Operator ID for use with CoinATMRadar is:" 
-echo
-/usr/bin/hkdf operator-id "$SEED" | cut -c -32
-echo
+const options = require('../lib/options')
+const mnemonicHelpers = require('../lib/mnemonic-helpers')
+
+const mnemonic = fs.readFileSync(options.mnemonicPath, 'utf8').trim()
+const masterSeed = mnemonicHelpers.toEntropyBuffer(mnemonic)
+
+console.log(hkdf(masterSeed, 16, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex'))
diff --git a/lamassu-admin-elm/src/NavBar.elm b/lamassu-admin-elm/src/NavBar.elm
index 29e7b6d9..a0233995 100644
--- a/lamassu-admin-elm/src/NavBar.elm
+++ b/lamassu-admin-elm/src/NavBar.elm
@@ -262,7 +262,6 @@ view route invalidGroups =
                 , ( "itBit", AccountRoute "itbit", True )
                 , ( "Kraken", AccountRoute "kraken", True )
                 , ( "Mailgun", AccountRoute "mailgun", True )
-                , ( "QuadrigaCX", AccountRoute "quadrigacx", True )
                 , ( "Strike", AccountRoute "strike", True )
                 , ( "Twilio", AccountRoute "twilio", True )
                 ]
diff --git a/lib/admin/config.js b/lib/admin/config.js
index 45127b8a..9aa47292 100644
--- a/lib/admin/config.js
+++ b/lib/admin/config.js
@@ -178,8 +178,8 @@ function fetchData () {
         {code: 'bitpay', display: 'Bitpay', class: 'ticker', cryptos: ['BTC', 'BCH']},
         {code: 'kraken', display: 'Kraken', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC', 'BCH']},
         {code: 'bitstamp', display: 'Bitstamp', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'BCH']},
-        {code: 'coinbase', display: 'Coinbase', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'BCH']},
-        {code: 'itbit', display: 'itBit', class: 'ticker', cryptos: ['BTC']},
+        {code: 'coinbase', display: 'Coinbase', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'BCH', 'ZEC', 'DASH']},
+        {code: 'itbit', display: 'itBit', class: 'ticker', cryptos: ['BTC', 'ETH']},
         {code: 'mock-ticker', display: 'Mock (Caution!)', class: 'ticker', cryptos: ALL_CRYPTOS},
         {code: 'bitcoind', display: 'bitcoind', class: 'wallet', cryptos: ['BTC']},
         {code: 'no-layer2', display: 'No Layer 2', class: 'layer2', cryptos: ALL_CRYPTOS},
@@ -191,7 +191,7 @@ function fetchData () {
         {code: 'bitcoincashd', display: 'bitcoincashd', class: 'wallet', cryptos: ['BCH']},
         {code: 'bitgo', display: 'BitGo', class: 'wallet', cryptos: ['BTC', 'ZEC', 'LTC', 'BCH', 'DASH']},
         {code: 'bitstamp', display: 'Bitstamp', class: 'exchange', cryptos: ['BTC', 'ETH', 'LTC', 'BCH']},
-        {code: 'itbit', display: 'itBit', class: 'exchange', cryptos: ['BTC']},
+        {code: 'itbit', display: 'itBit', class: 'exchange', cryptos: ['BTC', 'ETH']},
         {code: 'kraken', display: 'Kraken', class: 'exchange', cryptos: ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC', 'BCH']},
         {code: 'mock-wallet', display: 'Mock (Caution!)', class: 'wallet', cryptos: ALL_CRYPTOS},
         {code: 'no-exchange', display: 'No exchange', class: 'exchange', cryptos: ALL_CRYPTOS},
diff --git a/lib/blacklist.js b/lib/blacklist.js
index 08d2705e..e66ac3ff 100644
--- a/lib/blacklist.js
+++ b/lib/blacklist.js
@@ -2,7 +2,7 @@ const db = require('./db')
 
 function blocked (address, cryptoCode) {
   const sql = `select * from blacklist where address = $1 and crypto_code = $2`
-  return db.oneOrNone(sql, [
+  return db.any(sql, [
     address,
     cryptoCode
   ])
diff --git a/lib/blockchain/bitcoincash.js b/lib/blockchain/bitcoincash.js
index 24772e82..49c1547a 100644
--- a/lib/blockchain/bitcoincash.js
+++ b/lib/blockchain/bitcoincash.js
@@ -21,7 +21,7 @@ function buildConfig () {
 rpcpassword=${common.randomPass()}
 dbcache=500
 server=1
-connections=40
+maxconnections=40
 keypool=10000
 prune=4000
 daemon=0
diff --git a/lib/blockchain/common.js b/lib/blockchain/common.js
index 23deedf9..6162ec90 100644
--- a/lib/blockchain/common.js
+++ b/lib/blockchain/common.js
@@ -21,19 +21,19 @@ module.exports = {
 
 const BINARIES = {
   BTC: {
-    url: 'https://bitcoin.org/bin/bitcoin-core-0.18.0/bitcoin-0.18.0-x86_64-linux-gnu.tar.gz',
-    dir: 'bitcoin-0.18.0/bin'
+    url: 'https://bitcoin.org/bin/bitcoin-core-0.18.1/bitcoin-0.18.1-x86_64-linux-gnu.tar.gz',
+    dir: 'bitcoin-0.18.1/bin'
   },
   ETH: {
-    url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.9.1-b7b2f60f.tar.gz',
-    dir: 'geth-linux-amd64-1.9.1-b7b2f60f'
+    url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.9.7-a718daa6.tar.gz',
+    dir: 'geth-linux-amd64-1.9.7-a718daa6'
   },
   ZEC: {
-    url: 'https://z.cash/downloads/zcash-2.0.6-linux64.tar.gz',
-    dir: 'zcash-2.0.6/bin'
+    url: 'https://z.cash/downloads/zcash-2.1.0-1-linux64-debian-jessie.tar.gz',
+    dir: 'zcash-2.1.0-1/bin'
   },
   DASH: {
-    url: 'https://github.com/dashpay/dash/releases/download/v0.14.0.2/dashcore-0.14.0.2-x86_64-linux-gnu.tar',
+    url: 'https://github.com/dashpay/dash/releases/download/v0.14.0.3/dashcore-0.14.0.3-x86_64-linux-gnu.tar.gz',
     dir: 'dashcore-0.14.0/bin'
   },
   LTC: {
@@ -41,8 +41,8 @@ const BINARIES = {
     dir: 'litecoin-0.17.1/bin'
   },
   BCH: {
-    url: 'https://download.bitcoinabc.org/0.19.10/linux/bitcoin-abc-0.19.10-x86_64-linux-gnu.tar.gz',
-    dir: 'bitcoin-abc-0.19.10/bin',
+    url: 'https://download.bitcoinabc.org/0.20.5/linux/bitcoin-abc-0.20.5-x86_64-linux-gnu.tar.gz',
+    dir: 'bitcoin-abc-0.20.5/bin',
     files: [['bitcoind', 'bitcoincashd'], ['bitcoin-cli', 'bitcoincash-cli']]
   }
 }
diff --git a/lib/cash-in/cash-in-tx.js b/lib/cash-in/cash-in-tx.js
index 5147bba6..0ef93717 100644
--- a/lib/cash-in/cash-in-tx.js
+++ b/lib/cash-in/cash-in-tx.js
@@ -24,13 +24,13 @@ function post (machineTx, pi) {
       let blacklisted = false
       let addressReuse = false
 
-      return checkForBlacklisted(updatedTx)
-        .then(blacklistItem => {
-          if (blacklistItem && blacklistItem.created_by_operator) {
-            blacklisted = true
-          }
+      return Promise.all([settingsLoader.loadLatest(), checkForBlacklisted(updatedTx)])
+        .then(([{ config }, blacklistItems]) => {
+          const rejectAddressReuseActive = configManager.unscoped(config).rejectAddressReuseActive
 
-          if (blacklistItem && !blacklistItem.created_by_operator) {
+          if (_.some(it => it.created_by_operator === true)(blacklistItems)) {
+            blacklisted = true
+          } else if (_.some(it => it.created_by_operator === false)(blacklistItems) && rejectAddressReuseActive) {
             addressReuse = true
           }
 
diff --git a/lib/config-validate.js b/lib/config-validate.js
index 547e2f6f..f4f7a471 100644
--- a/lib/config-validate.js
+++ b/lib/config-validate.js
@@ -5,6 +5,8 @@ const configManager = require('./config-manager')
 const logger = require('./logger')
 const schema = require('../lamassu-schema.json')
 
+const REMOVED_FIELDS = ['crossRefVerificationActive', 'crossRefVerificationThreshold']
+
 function allScopes (cryptoScopes, machineScopes) {
   const scopes = []
   cryptoScopes.forEach(c => {
@@ -128,6 +130,8 @@ function ensureConstraints (config) {
     .then(() => {
       config.every(fieldInstance => {
         const fieldCode = fieldInstance.fieldLocator.code
+        if (_.includes(fieldCode, REMOVED_FIELDS)) return
+
         const field = pickField(fieldCode)
         if (!field) {
           logger.warn('No such field: %s, %j', fieldCode, fieldInstance.fieldLocator.fieldScope)
diff --git a/lib/plugins.js b/lib/plugins.js
index 16c19da3..7f0cb6ae 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -347,7 +347,7 @@ function plugins (settings, deviceId) {
     if (!transactionNotificationsEnabled()) return Promise.resolve()
 
     const isCashOut = tx.direction === 'cashOut'
-    const zeroConf = isZeroConf(tx)
+    const zeroConf = isCashOut && isZeroConf(tx)
 
     // 0-conf cash-out should only send notification on redemption
     if (zeroConf && isCashOut && !rec.isRedemption && !rec.error) return Promise.resolve()
diff --git a/lib/plugins/common/quadrigacx.js b/lib/plugins/common/quadrigacx.js
deleted file mode 100644
index 81c5527a..00000000
--- a/lib/plugins/common/quadrigacx.js
+++ /dev/null
@@ -1,91 +0,0 @@
-const axios = require('axios')
-const crypto = require('crypto')
-const _ = require('lodash/fp')
-
-const API_ENDPOINT = 'https://api.quadrigacx.com/v2'
-
-let counter = -1
-let lastTimestamp = Date.now()
-
-function pad (num) {
-  const asString = num.toString(10)
-  if (num < 10) return '00' + asString
-  if (num < 100) return '0' + asString
-  return asString
-}
-
-function generateNonce () {
-  const timestamp = Date.now()
-  if (timestamp !== lastTimestamp) counter = -1
-  lastTimestamp = timestamp
-  counter = (counter + 1) % 1000
-  return timestamp.toString(10) + pad(counter)
-}
-
-function authRequest (config, path, data) {
-  if (!config.key || !config.secret || !config.clientId) {
-    const err = new Error('Must provide key, secret and client ID')
-    return Promise.reject(err)
-  }
-
-  data = data || {}
-
-  const nonce = generateNonce()
-  const msg = [nonce, config.clientId, config.key].join('')
-
-  const signature = crypto
-    .createHmac('sha256', Buffer.from(config.secret))
-    .update(msg)
-    .digest('hex')
-    .toLowerCase()
-
-  const signedData = _.merge(data, {
-    key: config.key,
-    signature,
-    nonce
-  })
-
-  return request(path, 'POST', signedData)
-}
-
-function buildMarket (fiatCode, cryptoCode) {
-  if (!_.includes(cryptoCode, ['BTC', 'ETH', 'LTC', 'BCH'])) {
-    throw new Error(`Unsupported crypto: ${cryptoCode}`)
-  }
-
-  if (!_.includes(fiatCode, ['USD', 'CAD'])) {
-    throw new Error(`Unsupported fiat: ${fiatCode}`)
-  }
-
-  let market = `${cryptoCode.toLowerCase()}_${fiatCode.toLowerCase()}`
-
-  if (fiatCode === 'USD' && cryptoCode !== 'BTC') {
-    throw new Error(`Unsupported market: ${market}`)
-  }
-
-  return market
-}
-
-function request (path, method, data) {
-  const options = {
-    method,
-    data,
-    url: API_ENDPOINT + path,
-    headers: {
-      'User-Agent': 'Mozilla/4.0 (compatible; Lamassu client)',
-      'Content-Type': 'application/json; charset=utf-8'
-    }
-  }
-
-  return axios(options)
-    .then(r => {
-      if (r.data.error) throw new Error(r.data.error.message)
-      return r.data
-    })
-}
-
-module.exports = {
-  buildMarket,
-  authRequest,
-  request
-}
diff --git a/lib/plugins/exchange/quadrigacx/quadrigacx.js b/lib/plugins/exchange/quadrigacx/quadrigacx.js
deleted file mode 100644
index 8ee62b3b..00000000
--- a/lib/plugins/exchange/quadrigacx/quadrigacx.js
+++ /dev/null
@@ -1,28 +0,0 @@
-const common = require('../../common/quadrigacx')
-const coinUtils = require('../../../coin-utils')
-
-function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade('buy', account, cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade('sell', account, cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function trade (type, account, cryptoAtoms, fiatCode, cryptoCode) {
-  return Promise.resolve()
-  .then(() => {
-    const market = common.buildMarket(fiatCode, cryptoCode)
-    const options = {
-      book: market,
-      amount: coinUtils.toUnit(cryptoAtoms, cryptoCode).toFixed(8)
-    }
-    
-    return common.authRequest(account, '/' + type, options)
-  })
-}
-
-module.exports = {
-  buy,
-  sell
-}
diff --git a/lib/plugins/ticker/bitpay/bitpay.js b/lib/plugins/ticker/bitpay/bitpay.js
index 80d2c67b..099ed3be 100644
--- a/lib/plugins/ticker/bitpay/bitpay.js
+++ b/lib/plugins/ticker/bitpay/bitpay.js
@@ -2,9 +2,9 @@ const axios = require('axios')
 const BN = require('../../../bn')
 
 function ticker (account, fiatCode, cryptoCode) {
-  return axios.get('https://bitpay.com/api/rates/' + cryptoCode + '/' + fiatCode)
+  return axios.get('https://bitpay.com/rates/' + cryptoCode + '/' + fiatCode)
     .then(r => {
-      const data = r.data
+      const data = r.data.data
       const price = BN(data.rate.toString())
       return {
         rates: {
diff --git a/lib/plugins/ticker/bitstamp/bitstamp.js b/lib/plugins/ticker/bitstamp/bitstamp.js
index dbb81e5e..1d5ac416 100644
--- a/lib/plugins/ticker/bitstamp/bitstamp.js
+++ b/lib/plugins/ticker/bitstamp/bitstamp.js
@@ -18,9 +18,9 @@ exports.ticker = function ticker (account, fiatCode, cryptoCode) {
     return getCurrencyRates(fiatCode, cryptoCode)
   }
 
-  return axios.get('https://bitpay.com/api/rates')
+  return axios.get('https://bitpay.com/rates')
     .then(response => {
-      const fxRates = response.data
+      const fxRates = response.data.data
       const usdRate = findCurrency(fxRates, 'USD')
       const fxRate = findCurrency(fxRates, fiatCode).div(usdRate)
 
diff --git a/lib/plugins/ticker/coinbase/coinbase.js b/lib/plugins/ticker/coinbase/coinbase.js
index afd4e107..772dfcf9 100644
--- a/lib/plugins/ticker/coinbase/coinbase.js
+++ b/lib/plugins/ticker/coinbase/coinbase.js
@@ -28,7 +28,7 @@ function getSellPrice (obj) {
 function ticker (account, fiatCode, cryptoCode) {
   return Promise.resolve()
     .then(() => {
-      if (!_.includes(cryptoCode, ['BTC', 'ETH', 'LTC', 'BCH'])) {
+      if (!_.includes(cryptoCode, ['BTC', 'ETH', 'LTC', 'BCH', 'ZEC', 'DASH'])) {
         throw new Error('Unsupported crypto: ' + cryptoCode)
       }
     })
diff --git a/lib/plugins/ticker/quadrigacx/quadrigacx.js b/lib/plugins/ticker/quadrigacx/quadrigacx.js
deleted file mode 100644
index 375e635e..00000000
--- a/lib/plugins/ticker/quadrigacx/quadrigacx.js
+++ /dev/null
@@ -1,49 +0,0 @@
-const axios = require('axios')
-const _ = require('lodash/fp')
-
-const BN = require('../../../bn')
-const common = require('../../common/quadrigacx')
-
-exports.NAME = 'QuadrigaCX'
-exports.SUPPORTED_MODULES = ['ticker']
-
-function findCurrency (fxRates, fiatCode) {
-  const rates = _.find(_.matchesProperty('code', fiatCode), fxRates)
-  if (!rates || !rates.rate) throw new Error(`Unsupported currency: ${fiatCode}`)
-  return BN(rates.rate.toString())
-}
-
-exports.ticker = function ticker (account, fiatCode, cryptoCode) {
-  if (fiatCode === 'USD' && cryptoCode === 'BTC' || fiatCode === 'CAD') {
-    return getCurrencyRates(fiatCode, cryptoCode)
-  }
-
-  return axios.get('https://bitpay.com/api/rates')
-    .then(response => {
-      const fxRates = response.data
-      const cadRate = findCurrency(fxRates, 'CAD')
-      const fxRate = findCurrency(fxRates, fiatCode).div(cadRate)
-
-      return getCurrencyRates('CAD', cryptoCode)
-        .then(res => ({
-          rates: {
-            ask: res.rates.ask.times(fxRate),
-            bid: res.rates.bid.times(fxRate)
-          }
-        }))
-    })
-}
-
-function getCurrencyRates (fiatCode, cryptoCode) {
-  return Promise.resolve()
-    .then(() => {
-      const market = common.buildMarket(fiatCode, cryptoCode)
-      return common.request(`/ticker?book=${market}`, 'GET')
-    })
-    .then(r => ({
-      rates: {
-        ask: BN(r.ask),
-        bid: BN(r.bid)
-      }
-    }))
-}
diff --git a/lib/plugins/wallet/geth/base.js b/lib/plugins/wallet/geth/base.js
index b219ea9e..381bf90d 100644
--- a/lib/plugins/wallet/geth/base.js
+++ b/lib/plugins/wallet/geth/base.js
@@ -54,7 +54,7 @@ function sendCoins (account, toAddress, cryptoAtoms, cryptoCode) {
         .then(tx => {
           if (!tx) return { txid }
 
-          const fee = BN(tx.gas).multipliedBy(BN(tx.gasPrice)).round()
+          const fee = BN(tx.gas).mul(BN(tx.gasPrice)).round()
 
           return { txid, fee }
         })
diff --git a/lib/poller.js b/lib/poller.js
index 1e13f28c..22b15b27 100644
--- a/lib/poller.js
+++ b/lib/poller.js
@@ -62,7 +62,7 @@ function updateCoinAtmRadar () {
   const config = settings().config
 
   return pi().getRawRates()
-    .then(rates => coinAtmRadar.update({ rates, config }))
+    .then(rates => coinAtmRadar.update({ rates, config }, settings()))
 }
 
 function start (__settings) {
diff --git a/lib/routes.js b/lib/routes.js
index 9f0b4a74..9564eb15 100644
--- a/lib/routes.js
+++ b/lib/routes.js
@@ -26,10 +26,16 @@ const argv = require('minimist')(process.argv.slice(2))
 
 const CLOCK_SKEW = 60 * 1000
 const REQUEST_TTL = 3 * 60 * 1000
+const THROTTLE_LOGS_QUERY = 30 * 1000
+const THROTTLE_CLOCK_SKEW = 60 * 1000
+const SETTINGS_CACHE_REFRESH = 60 * 60 * 1000
 
 const pids = {}
 const reboots = {}
 const restartServicesMap = {}
+const canGetLastSeenMap = {}
+const canLogClockSkewMap = {}
+const settingsCache = {}
 
 const devMode = argv.dev || options.http
 
@@ -167,13 +173,6 @@ function stateChange (req, res, next) {
     .catch(next)
 }
 
-function deviceEvent (req, res, next) {
-  const pi = plugins(req.settings, req.deviceId)
-  pi.logEvent(req.body)
-    .then(() => respond(req, res))
-    .catch(next)
-}
-
 function verifyUser (req, res, next) {
   const pi = plugins(req.settings, req.deviceId)
   pi.verifyUser(req.body)
@@ -245,9 +244,19 @@ function updateCustomer (req, res, next) {
 }
 
 function getLastSeen (req, res, next) {
-  return logs.getLastSeen(req.deviceId)
-    .then(r => res.json(r))
-    .catch(next)
+  const deviceId = req.deviceId
+  const timestamp = Date.now()
+  const shouldTrigger = !canGetLastSeenMap[deviceId] ||
+    timestamp - canGetLastSeenMap[deviceId] >= THROTTLE_LOGS_QUERY
+
+  if (shouldTrigger) {
+    canGetLastSeenMap[deviceId] = timestamp
+    return logs.getLastSeen(deviceId)
+      .then(r => res.json(r))
+      .catch(next)
+  }
+
+  return res.status(408).json({})
 }
 
 function updateLogs (req, res, next) {
@@ -310,9 +319,15 @@ function httpError (msg, code) {
 
 function filterOldRequests (req, res, next) {
   const deviceTime = req.deviceTime
-  const delta = Date.now() - Date.parse(deviceTime)
+  const deviceId = req.deviceId
+  const timestamp = Date.now()
+  const delta = timestamp - Date.parse(deviceTime)
 
-  if (delta > CLOCK_SKEW) {
+  const shouldTrigger = !canLogClockSkewMap[deviceId] ||
+    timestamp - canLogClockSkewMap[deviceId] >= THROTTLE_CLOCK_SKEW
+
+  if (delta > CLOCK_SKEW && shouldTrigger) {
+    canLogClockSkewMap[deviceId] = timestamp
     logger.error('Clock skew with lamassu-machine[%s] too high [%ss], adjust lamassu-machine clock',
       req.deviceName, (delta / 1000).toFixed(2))
   }
@@ -337,8 +352,7 @@ function authorize (req, res, next) {
     .catch(next)
 }
 
-const skip = (req, res) => _.includes(req.path, ['/poll', '/state', '/logs']) &&
-  res.statusCode === 200
+const skip = (req, res) => _.includes(req.path, ['/poll', '/state', '/logs']) && _.includes(res.statusCode, [200, 408])
 
 const configRequiredRoutes = [
   '/poll',
@@ -367,7 +381,6 @@ app.use(filterOldRequests)
 app.get('/poll', poll)
 app.post('/state', stateChange)
 
-app.post('/event', deviceEvent)
 app.post('/verify_user', verifyUser)
 app.post('/verify_transaction', verifyTx)
 
@@ -416,6 +429,7 @@ localApp.post('/restartServices', (req, res) => {
 })
 
 localApp.post('/dbChange', (req, res, next) => {
+  settingsCache.cache = null
   return settingsLoader.loadLatest()
     .then(poller.reload)
     .then(() => logger.info('Config reloaded'))
@@ -452,9 +466,23 @@ function populateSettings (req, res, next) {
     oldVersionId = versionId
   }
 
-  if (!versionId) {
+  // Clear cache every hour
+  if (Date.now() - settingsCache.timestamp > SETTINGS_CACHE_REFRESH) {
+    settingsCache.cache = null
+  }
+
+  if (!versionId && settingsCache.cache) {
+    req.settings = settingsCache.cache
+    return next()
+  }
+
+  if (!versionId && !settingsCache.cache) {
     return settingsLoader.loadLatest()
-      .then(settings => { req.settings = settings })
+      .then(settings => {
+        settingsCache.cache = settings
+        settingsCache.timestamp = Date.now()
+        req.settings = settings
+      })
       .then(() => next())
       .catch(next)
   }
diff --git a/package-lock.json b/package-lock.json
index 2a502dab..d219dfee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "lamassu-server",
-  "version": "7.3.2",
+  "version": "7.5.0-beta.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -76,14 +76,14 @@
       "integrity": "sha1-lksiHLlV4csPBEdnqWaCgCOjhLs="
     },
     "@types/lodash": {
-      "version": "4.14.118",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.118.tgz",
-      "integrity": "sha512-iiJbKLZbhSa6FYRip/9ZDX6HXhayXLDGY2Fqws9cOkEQ6XeKfaxB0sC541mowZJueYyMnVUmmG+al5/4fCDrgw=="
+      "version": "4.14.149",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.149.tgz",
+      "integrity": "sha512-ijGqzZt/b7BfzcK9vTrS6MFljQRPn5BFWOx8oE0GYxribu6uV+aA9zZuXI1zc/etK9E8nrgdoF2+LgUw7+9tJQ=="
     },
     "@types/node": {
-      "version": "10.12.9",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.9.tgz",
-      "integrity": "sha512-eajkMXG812/w3w4a1OcBlaTwsFPO5F7fJ/amy+tieQxEMWBlbV1JGSjkFM+zkHNf81Cad+dfIRA+IBkvmvdAeA=="
+      "version": "12.12.14",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.14.tgz",
+      "integrity": "sha512-u/SJDyXwuihpwjXy7hOOghagLEV1KdAST6syfnOk6QZAMzZuWZqXy5aYYZbh8Jdpd4escVFP0MvftHNDb9pruA=="
     },
     "@types/ws": {
       "version": "3.2.1",
@@ -132,9 +132,9 @@
       "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
     },
     "agent-base": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.2.1.tgz",
-      "integrity": "sha512-JVwXMr9nHYTUXsBFKUqhJwvlcYU/blreOEUkhNR2eXZIvwd+c+o5V4MgDPKWnMS/56awN3TRzIP+KoPn+roQtg==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
+      "integrity": "sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==",
       "requires": {
         "es6-promisify": "^5.0.0"
       }
@@ -388,9 +388,9 @@
       "dev": true
     },
     "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
+      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -1252,9 +1252,9 @@
           }
         },
         "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
         }
       }
     },
@@ -1289,9 +1289,9 @@
           }
         },
         "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
         }
       }
     },
@@ -1372,58 +1372,63 @@
       }
     },
     "bitgo": {
-      "version": "4.40.2",
-      "resolved": "https://registry.npmjs.org/bitgo/-/bitgo-4.40.2.tgz",
-      "integrity": "sha512-rQY92xdUaI1yKGyBmlAk6/uoLUj4H13Jla0g+q8Hmw30rniX1QUF7Kfwe7KsmIb/JnVse3Kt5omqg6PYQQIl2A==",
+      "version": "4.47.0",
+      "resolved": "https://registry.npmjs.org/bitgo/-/bitgo-4.47.0.tgz",
+      "integrity": "sha512-reh8M5UMMRLnUzWo0qY+SyDQmM+LNXnVjwb4S78r2lukdszmSHX+JWl2T7t5hyelJyFXF/5ySAxj6SYpHTiChQ==",
       "requires": {
-        "argparse": "~1.0.10",
+        "argparse": "1.0.10",
         "assert": "0.4.9",
-        "big.js": "~3.1.3",
+        "big.js": "3.1.3",
         "bigi": "1.4.0",
-        "bignumber.js": "~4.0.2",
-        "bitcoinjs-message": "~2.0.0",
-        "bitgo-utxo-lib": "^1.2.1",
-        "bluebird": "~3.5.0",
-        "body-parser": "~1.18.2",
+        "bignumber.js": "8.0.1",
+        "bitcoinjs-message": "2.0.0",
+        "bitgo-utxo-lib": "1.3.0",
+        "bluebird": "3.5.3",
+        "body-parser": "1.18.3",
         "bs58": "2.0.1",
         "bs58check": "1.0.4",
         "cashaddress": "1.1.0",
-        "create-hmac": "~1.1.4",
-        "debug": "~3.1.0",
-        "ecurve": "~1.0.2",
+        "create-hmac": "1.1.7",
+        "debug": "3.1.0",
+        "ecurve": "1.0.6",
         "eol": "0.5.0",
-        "ethereumjs-abi": "~0.6.2",
-        "ethereumjs-tx": "^1.3.4",
-        "ethereumjs-util": "~4.4.1",
-        "express": "~4.16.2",
+        "ethereumjs-abi": "0.6.5",
+        "ethereumjs-tx": "1.3.7",
+        "ethereumjs-util": "4.4.1",
+        "express": "4.16.4",
         "http-proxy": "1.11.1",
-        "lodash": "~4.17.10",
+        "lodash": "4.17.11",
         "minimist": "0.2.0",
-        "moment": "~2.20.1",
-        "morgan": "1.9.0",
-        "prova-lib": "0.2.9",
-        "ripple-lib": "~0.22.0",
+        "moment": "2.20.1",
+        "morgan": "1.9.1",
+        "prova-lib": "0.2.10",
+        "ripple-lib": "0.22.0",
         "sanitize-html": "1.13.0",
-        "secp256k1": "3.2.5",
+        "secp256k1": "3.6.1",
         "secrets.js-grempe": "1.1.0",
-        "stellar-sdk": "~0.11.0",
-        "superagent": "~3.8.3",
-        "superagent-proxy": "~1.0.0"
+        "stellar-sdk": "0.11.0",
+        "superagent": "3.8.3",
+        "superagent-proxy": "1.0.3"
       },
       "dependencies": {
         "accepts": {
-          "version": "1.3.5",
-          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
-          "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+          "version": "1.3.7",
+          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+          "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
           "requires": {
-            "mime-types": "~2.1.18",
-            "negotiator": "0.6.1"
+            "mime-types": "~2.1.24",
+            "negotiator": "0.6.2"
           }
         },
         "bignumber.js": {
-          "version": "4.0.4",
-          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-4.0.4.tgz",
-          "integrity": "sha512-LDXpJKVzEx2/OqNbG9mXBNvHuiRL4PzHCGfnANHMJ+fv68Ads3exDVJeGDJws+AoNEuca93bU3q+S0woeUaCdg=="
+          "version": "8.0.1",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-8.0.1.tgz",
+          "integrity": "sha512-zAySveTJXkgLYCBi0b14xzfnOs+f3G6x36I8w2a1+PFQpWk/dp0mI0F+ZZK2bu+3ELewDcSyP+Cfq++NcHX7sg=="
+        },
+        "bluebird": {
+          "version": "3.5.3",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
+          "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw=="
         },
         "body-parser": {
           "version": "1.18.3",
@@ -1462,6 +1467,19 @@
           "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
           "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
         },
+        "create-hmac": {
+          "version": "1.1.7",
+          "resolved": "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
+          "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
+          "requires": {
+            "cipher-base": "^1.0.3",
+            "create-hash": "^1.1.0",
+            "inherits": "^2.0.1",
+            "ripemd160": "^2.0.0",
+            "safe-buffer": "^5.0.1",
+            "sha.js": "^2.4.8"
+          }
+        },
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -1584,7 +1602,7 @@
         },
         "finalhandler": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
           "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
           "requires": {
             "debug": "2.6.9",
@@ -1618,7 +1636,7 @@
         },
         "http-errors": {
           "version": "1.6.3",
-          "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "requires": {
             "depd": "~1.1.2",
@@ -1635,17 +1653,22 @@
             "safer-buffer": ">= 2.1.2 < 3"
           }
         },
+        "lodash": {
+          "version": "4.17.11",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+        },
         "mime-db": {
-          "version": "1.37.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.37.0.tgz",
-          "integrity": "sha512-R3C4db6bgQhlIhPU48fUtdVmKnflq+hRdad7IyKhtFj06VPNVdk2RhiYL3UjQIlso8L+YxAtFkobT0VK+S/ybg=="
+          "version": "1.42.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.42.0.tgz",
+          "integrity": "sha512-UbfJCR4UAVRNgMpfImz05smAXK7+c+ZntjaA26ANtkXLlOe947Aag5zdIcKQULAiF9Cq4WxBi9jUs5zkA84bYQ=="
         },
         "mime-types": {
-          "version": "2.1.21",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.21.tgz",
-          "integrity": "sha512-3iL6DbwpyLzjR3xHSFNFeb9Nz/M8WDkX33t1GFQnFOllWk8pOrh/LSrB5OXlnlW5P9LH73X6loW/eogc+F5lJg==",
+          "version": "2.1.25",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.25.tgz",
+          "integrity": "sha512-5KhStqB5xpTAeGqKBAMgwaYMnQik7teQN4IAzC7npDv6kzeU6prfkR67bc87J1kWMPGkoaZSq1npmexMgkmEVg==",
           "requires": {
-            "mime-db": "~1.37.0"
+            "mime-db": "1.42.0"
           }
         },
         "minimist": {
@@ -1659,13 +1682,13 @@
           "integrity": "sha512-Yh9y73JRljxW5QxN08Fner68eFLxM5ynNOAw2LbIB1YAGeQzZT8QFSUvkAz609Zf+IHhhaUxqZK8dG3W/+HEvg=="
         },
         "morgan": {
-          "version": "1.9.0",
-          "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.0.tgz",
-          "integrity": "sha1-0B+mxlhZt2/PMbPLU6OCGjEdgFE=",
+          "version": "1.9.1",
+          "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.1.tgz",
+          "integrity": "sha512-HQStPIV4y3afTiCYVxirakhlCfGkI161c76kKFca7Fk1JusM//Qeo1ej2XaMniiNeaZklMVrh3vTtIzpzwbpmA==",
           "requires": {
             "basic-auth": "~2.0.0",
             "debug": "2.6.9",
-            "depd": "~1.1.1",
+            "depd": "~1.1.2",
             "on-finished": "~2.3.0",
             "on-headers": "~1.0.1"
           },
@@ -1680,10 +1703,15 @@
             }
           }
         },
+        "negotiator": {
+          "version": "0.6.2",
+          "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
+          "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
+        },
         "parseurl": {
-          "version": "1.3.2",
-          "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
-          "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M="
+          "version": "1.3.3",
+          "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+          "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
         },
         "qs": {
           "version": "6.5.2",
@@ -1701,6 +1729,22 @@
             "unpipe": "1.0.0"
           }
         },
+        "secp256k1": {
+          "version": "3.6.1",
+          "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.6.1.tgz",
+          "integrity": "sha512-utLpWv4P4agEw7hakR73wlWX0NBmC5t/vkJ0TAfTyvETAUzo0tm6aFKPYetVYRaVubxMeWm5Ekv9ETwOgcDCqw==",
+          "optional": true,
+          "requires": {
+            "bindings": "^1.2.1",
+            "bip66": "^1.1.3",
+            "bn.js": "^4.11.3",
+            "create-hash": "^1.1.2",
+            "drbg.js": "^1.0.1",
+            "elliptic": "^6.2.3",
+            "nan": "^2.2.1",
+            "safe-buffer": "^5.1.0"
+          }
+        },
         "serve-static": {
           "version": "1.13.2",
           "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
@@ -1723,12 +1767,12 @@
           "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
         },
         "type-is": {
-          "version": "1.6.16",
-          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
-          "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+          "version": "1.6.18",
+          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+          "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
           "requires": {
             "media-typer": "0.3.0",
-            "mime-types": "~2.1.18"
+            "mime-types": "~2.1.24"
           }
         },
         "utils-merge": {
@@ -1744,9 +1788,9 @@
       }
     },
     "bitgo-utxo-lib": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/bitgo-utxo-lib/-/bitgo-utxo-lib-1.2.1.tgz",
-      "integrity": "sha512-8qwcU4HZEGAInXYntkCiZwfeFFQ6cwWOVb8+VwEMnoQb+TCNIRh1BFxfJ79ZHrzSGZ+L951HqdzKW5XhFb9E6Q==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/bitgo-utxo-lib/-/bitgo-utxo-lib-1.3.0.tgz",
+      "integrity": "sha512-jry6Y97g2jr1XlY1Ou5WkWUg1rQbyioLYp9AgyK4OwZ7t2ETRyTB1rcJV9kYOlTnTjC6k+Sef+IKcZLM/u9zjA==",
       "requires": {
         "bech32": "0.0.3",
         "bigi": "^1.4.0",
@@ -1762,11 +1806,26 @@
         "pushdata-bitcoin": "^1.0.1",
         "randombytes": "^2.0.1",
         "safe-buffer": "^5.0.1",
+        "secp256k1": "^3.5.2",
         "typeforce": "^1.11.3",
         "varuint-bitcoin": "^1.0.4",
         "wif": "^2.0.1"
       },
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-      "resolved": "https://registry.npmjs.org/typeforce/-/typeforce-1.16.0.tgz",
-      "integrity": "sha512-V60F7OHPH7vPlgIU73vYyeebKxWjQqCTlge+MvKlVn09PIhCOi/ZotowYdgREHB5S1dyHOr906ui6NheYXjlVQ=="
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/typeforce/-/typeforce-1.18.0.tgz",
+      "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
     },
     "uid-number": {
       "version": "0.0.6",
@@ -10960,11 +11180,11 @@
       "integrity": "sha512-xVrGVi94ueCJNrBSTjWqjvtgvl3cyOTThp2zaMaFNGp3F542TR6sM3f2o8RqZl+AwteClSVmoCyt0ka4RjQOQg=="
     },
     "url-parse": {
-      "version": "1.4.4",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.4.tgz",
-      "integrity": "sha512-/92DTTorg4JjktLNLe6GPS2/RvAd/RGr6LuktmWSMLEOa6rjnlrFXNgSbSmkNvCoL2T028A0a1JaJLzRMlFoHg==",
+      "version": "1.4.7",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.7.tgz",
+      "integrity": "sha512-d3uaVyzDB9tQoSXFvuSUNFibTd9zxd2bkVrDRvF5TmvWWQwqE4lgYJ5m+x1DbecWkw+LK4RNl2CU1hHuOKPVlg==",
       "requires": {
-        "querystringify": "^2.0.0",
+        "querystringify": "^2.1.1",
         "requires-port": "^1.0.0"
       },
       "dependencies": {
@@ -10994,11 +11214,22 @@
       "integrity": "sha1-H6DZJw6b6FDZsFAn9jUZv0ZFfZY="
     },
     "util": {
-      "version": "0.11.1",
-      "resolved": "https://registry.npmjs.org/util/-/util-0.11.1.tgz",
-      "integrity": "sha512-HShAsny+zS2TZfaXxD9tYj4HQGlBezXZMZuM/S5PKLLoZkShZiGk9o5CzukI1LVHZvjdvZ2Sj1aW/Ndn2NB/HQ==",
+      "version": "0.12.1",
+      "resolved": "https://registry.npmjs.org/util/-/util-0.12.1.tgz",
+      "integrity": "sha512-MREAtYOp+GTt9/+kwf00IYoHZyjM8VU4aVrkzUlejyqaIjd2GztVl5V9hGXKlvBKE3gENn/FMfHE5v6hElXGcQ==",
       "requires": {
-        "inherits": "2.0.3"
+        "inherits": "^2.0.3",
+        "is-arguments": "^1.0.4",
+        "is-generator-function": "^1.0.7",
+        "object.entries": "^1.1.0",
+        "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
+        }
       }
     },
     "util-deprecate": {
@@ -11033,9 +11264,9 @@
       }
     },
     "varuint-bitcoin": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/varuint-bitcoin/-/varuint-bitcoin-1.1.0.tgz",
-      "integrity": "sha512-jCEPG+COU/1Rp84neKTyDJQr478/hAfVp5xxYn09QEH0yBjbmPeMfuuQIrp+BUD83hybtYZKhr5elV3bvdV1bA==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/varuint-bitcoin/-/varuint-bitcoin-1.1.2.tgz",
+      "integrity": "sha512-4EVb+w4rx+YfVM32HQX42AbbT7/1f5zwAYhIujKXKk8NQK+JfRVl3pqT3hjNn/L+RstigmGGKVwHA/P0wgITZw==",
       "requires": {
         "safe-buffer": "^5.1.1"
       }
diff --git a/package.json b/package.json
index c69d00ef..3be42ea4 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "lamassu-server",
   "description": "bitcoin atm client server protocol module",
   "keywords": [],
-  "version": "7.3.2",
+  "version": "7.5.0-beta.0",
   "license": "Unlicense",
   "author": "Lamassu (https://lamassu.is)",
   "dependencies": {
diff --git a/schemas/quadrigacx.json b/schemas/quadrigacx.json
deleted file mode 100644
index f6cb4481..00000000
--- a/schemas/quadrigacx.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "code": "quadrigacx",
-  "display": "QuadrigaCX",
-  "fields": [
-    {
-      "code": "clientId",
-      "display": "Client ID",
-      "fieldType": "string",
-      "required": true,
-      "value": ""
-    },
-    {
-      "code": "key",
-      "display": "API key",
-      "fieldType": "string",
-      "required": true,
-      "value": ""
-    },
-    {
-      "code": "secret",
-      "display": "API secret",
-      "fieldType": "password",
-      "required": true,
-      "value": ""
-    }
-  ]
-}
diff --git a/test/unit/filter-config-accounts.js b/test/unit/filter-config-accounts.js
index 9c8fb731..d2d46ed4 100644
--- a/test/unit/filter-config-accounts.js
+++ b/test/unit/filter-config-accounts.js
@@ -8,7 +8,7 @@ const data = {
   accounts: [
     {code: 'mock-ticker', display: 'Mock ticker', class: 'ticker', cryptos: ALL_CRYPTOS},
     {code: 'bitcoind', display: 'bitcoind', class: 'wallet', cryptos: ['BTC']},
-    {code: 'quadrigacx', display: 'QuadrigaCX', class: 'exchange', cryptos: ['BTC', 'ETH', 'LTC', 'BCH']},
+    {code: 'kraken', display: 'Kraken', class: 'exchange', cryptos: ['BTC', 'ZEC', 'ETH', 'LTC', 'BCH', 'DASH']},
     {code: 'mock-wallet', display: 'Mock (Caution!)', class: 'wallet', cryptos: ALL_CRYPTOS}
   ]
 }