diff --git a/bin/lamassu-update b/bin/lamassu-update
index fda7b99b..2dabc953 100755
--- a/bin/lamassu-update
+++ b/bin/lamassu-update
@@ -49,7 +49,7 @@ fi
 
 decho "updating node"
 npm install n -g >> ${LOG_FILE} 2>&1
-n lts >> ${LOG_FILE} 2>&1
+n 8 >> ${LOG_FILE} 2>&1
 decho "version installed $(node -v)"
 export NPM_BIN=$(npm -g bin)
 
diff --git a/dev/recreate-seeds.js b/dev/recreate-seeds.js
new file mode 100644
index 00000000..7ed801c6
--- /dev/null
+++ b/dev/recreate-seeds.js
@@ -0,0 +1,26 @@
+#!/usr/bin/env node
+
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const os = require('os')
+const bip39 = require('bip39')
+const options = require('../lib/options-loader')()
+
+if (options.opts.mnemonicPath && !options.opts.seedPath) {
+  const mnemonic = fs.readFileSync(options.opts.mnemonicPath, 'utf8')
+  const seed = bip39.mnemonicToEntropy(mnemonic.split('\n').join(' ').trim()).toString('hex')
+
+  options.opts.seedPath = path.resolve(os.homedir(), '.lamassu', 'seeds', 'seed.txt')
+
+  if (!fs.existsSync(path.dirname(options.opts.seedPath))) {
+    fs.mkdirSync(path.dirname(options.opts.seedPath))
+  }
+
+  if (!fs.existsSync(options.opts.seedPath)) {
+    fs.writeFileSync(options.opts.seedPath, seed, 'utf8')
+  }
+
+  fs.writeFileSync(options.path, JSON.stringify(options.opts, null, '\t'), 'utf8')
+}
diff --git a/lib/admin/config.js b/lib/admin/config.js
index 825f08a0..ad4f2531 100644
--- a/lib/admin/config.js
+++ b/lib/admin/config.js
@@ -181,7 +181,7 @@ function fetchData () {
         {code: 'coinbase', display: 'Coinbase', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'BCH']},
         {code: 'itbit', display: 'itBit', class: 'ticker', cryptos: ['BTC']},
         {code: 'quadrigacx', display: 'QuadrigaCX', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'BCH']},
-        {code: 'mock-ticker', display: 'Mock ticker', class: 'ticker', cryptos: ALL_CRYPTOS},
+        {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},
         {code: 'infura', display: 'Infura', class: 'wallet', cryptos: ['ETH']},
diff --git a/lib/blockchain/common.js b/lib/blockchain/common.js
index bde996f6..fce05ef7 100644
--- a/lib/blockchain/common.js
+++ b/lib/blockchain/common.js
@@ -25,12 +25,12 @@ const BINARIES = {
     dir: 'bitcoin-0.16.3/bin'
   },
   ETH: {
-    url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.8.15-89451f7c.tar.gz',
-    dir: 'geth-linux-amd64-1.8.15-89451f7c'
+    url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.8.19-dae82f09.tar.gz',
+    dir: 'geth-linux-amd64-1.8.19-dae82f09'
   },
   ZEC: {
-    url: 'https://z.cash/downloads/zcash-2.0.0-linux64.tar.gz',
-    dir: 'zcash-2.0.0/bin'
+    url: 'https://z.cash/downloads/zcash-2.0.2-linux64.tar.gz',
+    dir: 'zcash-2.0.2/bin'
   },
   DASH: {
     url: 'https://github.com/dashpay/dash/releases/download/v0.12.3.3/dashcore-0.12.3.3-x86_64-linux-gnu.tar.gz',
@@ -41,8 +41,8 @@ const BINARIES = {
     dir: 'litecoin-0.16.3/bin'
   },
   BCH: {
-    url: 'https://download.bitcoinabc.org/0.18.2/linux/bitcoin-abc-0.18.2-x86_64-linux-gnu.tar.gz',
-    dir: 'bitcoin-abc-0.18.2/bin',
+    url: 'https://download.bitcoinabc.org/0.18.5/linux/bitcoin-abc-0.18.5-x86_64-linux-gnu.tar.gz',
+    dir: 'bitcoin-abc-0.18.5/bin',
     files: [['bitcoind', 'bitcoincashd'], ['bitcoin-cli', 'bitcoincash-cli']]
   }
 }
diff --git a/lib/coinatmradar/coinatmradar.js b/lib/coinatmradar/coinatmradar.js
index 4330e86d..d7d713fb 100644
--- a/lib/coinatmradar/coinatmradar.js
+++ b/lib/coinatmradar/coinatmradar.js
@@ -156,5 +156,5 @@ function update (info) {
 }
 
 function computeOperatorId (masterSeed) {
-  return hkdf(masterSeed, 32, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex')
+  return hkdf(masterSeed, 16, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex')
 }
diff --git a/lib/migrate-options.js b/lib/migrate-options.js
index 82374cea..994be05b 100644
--- a/lib/migrate-options.js
+++ b/lib/migrate-options.js
@@ -1,10 +1,19 @@
 const _ = require('lodash/fp')
 const fs = require('fs')
 const makeDir = require('make-dir')
+const path = require('path')
 
 const load = require('./options-loader')
 
-module.exports = {run, mapKeyValuesDeep}
+// current path of lamassu-server project
+const currentBasePath = path.dirname(__dirname)
+// get path as array of path components
+const paths = _.wrap(_.split, path.sep)
+// find the index of the lamassu-server directory
+// /usr/lib/node_modules/lamassu-server/certs/Lamassu_OP.pem => 3
+const indexOfLs = _.flow(paths, _.wrap(_.indexOf, 'lamassu-server'))
+
+module.exports = {run, mapKeyValuesDeep, updateOptionBasepath}
 
 function mapKeyValuesDeep (cb, obj, key) {
   if (_.isArray(obj)) {
@@ -16,6 +25,32 @@ function mapKeyValuesDeep (cb, obj, key) {
   }
 }
 
+function updateOptionBasepath (result, optionName) {
+  const currentPath = _.get(optionName, result)
+
+  // process only keys that contains
+  // lamassu-server dir in its path
+  const i = indexOfLs(currentPath)
+  if (i === -1) {
+    return
+  }
+
+  // workout the relative path
+  // /usr/lib/node_modules/lamassu-server/certs/Lamassu_OP.pem => certs/Lamassu_OP.pem
+  const rPath = _.drop(i + 1, paths(currentPath))
+
+  // prepend the current lamassu-server path
+  // certs/Lamassu_OP.pem => /usr/local/lib/node_modules/lamassu-server/certs/Lamassu_OP.pem
+  const newPath = _.join(path.sep, _.concat([currentBasePath], rPath))
+
+  // update this option
+  // if the value has changed
+  if (!_.isEqual(currentPath, newPath)) {
+    console.log(`Migrating option ${optionName} to new path ${newPath}`)
+    result[optionName] = newPath
+  }
+}
+
 async function run () {
   // load defaults
   const defaultOpts = require('../lamassu-default')
@@ -26,6 +61,19 @@ async function run () {
 
   // check if there are new options to add
   let result = _.mergeAll([defaultOpts, currentOpts])
+
+  // get all the options
+  // that ends with "Path" suffix
+  console.log(`Detected lamassu-server basepath: ${currentBasePath}`)
+  _.each(_.wrap(updateOptionBasepath, result),
+    [
+      'seedPath',
+      'caPath',
+      'certPath',
+      'keyPath',
+      'lamassuCaPath'
+    ])
+
   const shouldMigrate = !_.isEqual(result, currentOpts) || _.has('lamassuServerPath', result)
 
   // write the resulting lamassu.json
@@ -33,8 +81,18 @@ async function run () {
     // remove old lamassuServerPath config
     result = _.omit('lamassuServerPath', result)
 
-    const newOpts = _.pick(_.difference(_.keys(result), _.keys(currentOpts)), result)
-    console.log('Adding options', newOpts)
+    // find keys for which values
+    // have been changed
+    const differentValue = _.wrap(_.filter, key => !_.isEqual(result[key], currentOpts[key]))
+
+    // output affected options
+    const newOpts = _.pick(_.union(
+      // find change keys
+      differentValue(_.keys(result)),
+      // find new opts
+      _.difference(_.keys(result), _.keys(currentOpts))
+    ), result)
+    console.log('Updating options', newOpts)
 
     // store new lamassu.json file
     fs.writeFileSync(options.path, JSON.stringify(result, null, '  '))
diff --git a/lib/pairing.js b/lib/pairing.js
index bc2d4ccc..6fc8599d 100644
--- a/lib/pairing.js
+++ b/lib/pairing.js
@@ -74,14 +74,7 @@ function isPaired (deviceId) {
   const sql = 'select device_id, name from devices where device_id=$1 and paired=TRUE'
 
   return db.oneOrNone(sql, [deviceId])
-    .then(row => {
-      const deviceName = row.name
-      const isDevicePaired = row && row.device_id === deviceId
-      return {
-        deviceName: deviceName,
-        isDevicePaired: isDevicePaired
-      }
-    })
+    .then(row => row && row.device_id === deviceId ? row.name : false)
 }
 
 module.exports = {pair, unpair, authorizeCaDownload, isPaired}
diff --git a/lib/routes.js b/lib/routes.js
index 3f8e81dd..4bbd9dd2 100644
--- a/lib/routes.js
+++ b/lib/routes.js
@@ -311,10 +311,10 @@ function authorize (req, res, next) {
   const deviceId = req.deviceId
 
   return pairing.isPaired(deviceId)
-    .then(r => {
-      if (r.isDevicePaired) {
+    .then(deviceName => {
+      if (deviceName) {
         req.deviceId = deviceId
-        req.deviceName = r.deviceName
+        req.deviceName = deviceName
         return next()
       }
 
diff --git a/lib/wallet.js b/lib/wallet.js
index 24982462..0e069f8c 100644
--- a/lib/wallet.js
+++ b/lib/wallet.js
@@ -25,7 +25,7 @@ function httpError (msg, code) {
 }
 
 function computeSeed (masterSeed) {
-  return hkdf(masterSeed, 32, { salt: 'lamassu-server-salt', info: 'wallet-seed' }).toString('hex')
+  return hkdf(masterSeed, 32, {salt: 'lamassu-server-salt', info: 'wallet-seed'})
 }
 
 function fetchWallet (settings, cryptoCode) {
diff --git a/public/styles.css b/public/styles.css
index 290cc50e..376ae9d2 100644
--- a/public/styles.css
+++ b/public/styles.css
@@ -21,6 +21,7 @@ p {
 
 .lamassuAdminMain {
     display: flex;
+    height: 100%;
     margin-bottom: 40px;
 }
 
diff --git a/test/unit/migrate-options.js b/test/unit/migrate-options.js
index 396da464..10ae126e 100644
--- a/test/unit/migrate-options.js
+++ b/test/unit/migrate-options.js
@@ -1,7 +1,10 @@
 import test from 'ava'
 import _ from 'lodash/fp'
+import path from 'path'
 
-import {mapKeyValuesDeep} from '../../lib/migrate-options'
+import {mapKeyValuesDeep, updateOptionBasepath} from '../../lib/migrate-options'
+
+const currentBasePath = path.dirname(path.dirname(__dirname))
 
 test('mapKeyValuesDeep', t => {
   const test = {
@@ -33,3 +36,29 @@ test('mapKeyValuesDeep', t => {
 
   t.deepEqual(result, expected)
 })
+
+test('updateOptionBasepath', t => {
+  const test = {
+    someBooleanOption: true,
+    someStringOption: 'my-custom-option',
+    customExternalPath: '/usr/lib/node_modules/ava',
+    seedPath: '/etc/lamassu/seeds/seed.txt',
+    caPath: '/usr/lib/node_modules/lamassu-server/certs/Lamassu_OP_Root_CA.pem'
+  }
+  const expected = {
+    someBooleanOption: true,
+    someStringOption: 'my-custom-option',
+    customExternalPath: '/usr/lib/node_modules/ava',
+    seedPath: '/etc/lamassu/seeds/seed.txt',
+    caPath: path.join(currentBasePath, 'certs/Lamassu_OP_Root_CA.pem')
+  }
+
+  let result = _.clone(test)
+
+  _.each(
+    _.wrap(updateOptionBasepath, result),
+    _.keys(test)
+  )
+
+  t.deepEqual(result, expected)
+})