diff --git a/lib/app.js b/lib/app.js
index 88d3d17a..fcaf91a9 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -7,7 +7,7 @@ const loop = require('reoccur')
 const routes = require('./routes')
 const plugins = require('./plugins')
 const logger = require('./logger')
-var argv = require('minimist')(process.argv.slice(2))
+const argv = require('minimist')(process.argv.slice(2))
 
 const settingsLoader = require('./settings-loader')
 const options = require('./options')
@@ -32,11 +32,8 @@ function runOnce () {
   const app = express()
   const localApp = express()
 
-  const seedPath = options.seedPath || './seeds/seed.txt'
-  plugins.init(seedPath)
-
   return settingsLoader.load()
-  .then(settings => {
+  .then(() => {
     plugins.startPolling()
     plugins.startCheckingNotification()
 
diff --git a/lib/email.js b/lib/email.js
index 6afbe2c7..3674eaec 100644
--- a/lib/email.js
+++ b/lib/email.js
@@ -4,15 +4,15 @@ const settingsLoader = require('./settings-loader')
 function sendMessage (rec) {
   return Promise.resolve()
   .then(() => {
-    const settings = settingsLoader.settings
+    const settings = settingsLoader.settings()
     const pluginCode = configManager.unscoped(settings.config).extraServices.email
 
     if (!pluginCode) throw new Error('No email plugin defined')
-    const account = settings.accounts.plugin
-    const plugin = require('lamassu-' + plugin)
+    const account = settings.accounts[pluginCode]
+    const plugin = require('lamassu-' + pluginCode)
 
     return plugin.sendMessage(account, rec)
   })
 }
 
-module.exports({sendMessage})
+module.exports = {sendMessage}
diff --git a/lib/exchange.js b/lib/exchange.js
index 410465b8..2c678119 100644
--- a/lib/exchange.js
+++ b/lib/exchange.js
@@ -1,13 +1,20 @@
 const configManager = require('./config-manager')
 const settingsLoader = require('./settings-loader')
 
+function noExchangeError (cryptoCode) {
+  const err = new Error('No exchange plugin defined for: ' + cryptoCode)
+  err.name = 'NoExchangeError'
+
+  return err
+}
+
 function fetchExchange (cryptoCode) {
   return Promise.resolve()
   .then(() => {
-    const settings = settingsLoader.settings
-    const plugin = configManager.cryptoScoped(cryptoCode, settings.config).cryptoServices.wallet
-    if (!plugin) throw new Error('No exchange plugin defined for: ' + cryptoCode)
-    const account = settings.accounts.plugin
+    const settings = settingsLoader.settings()
+    const plugin = configManager.cryptoScoped(cryptoCode, settings.config).cryptoServices.exchange
+    if (!plugin) throw noExchangeError(cryptoCode)
+    const account = settings.accounts[plugin]
     const exchange = require('lamassu-' + plugin)
 
     return {exchange, account}
@@ -24,14 +31,7 @@ function sell (cryptoAtoms, fiatCode, cryptoCode) {
   .then(r => r.exchange.sell(r.account, cryptoAtoms, fiatCode, cryptoCode))
 }
 
-function active (cryptoCode) {
-  return fetchExchange(cryptoCode)
-  .then(() => true)
-  .catch(() => false)
-}
-
 module.exports = {
   buy,
-  sell,
-  active
+  sell
 }
diff --git a/lib/logger.js b/lib/logger.js
index bb2940d4..b90b7634 100644
--- a/lib/logger.js
+++ b/lib/logger.js
@@ -7,7 +7,7 @@ var logLevel = typeof process.env.LAMASSU_ENV === 'string'
 const logger = new winston.Logger({
   level: logLevel,
   transports: [
-    new (winston.transports.Console)({colorize: true})
+    new (winston.transports.Console)({timestamp: true, colorize: true})
   ]
 })
 
diff --git a/lib/notifier.js b/lib/notifier.js
index 8e1f75fe..c23a9c32 100644
--- a/lib/notifier.js
+++ b/lib/notifier.js
@@ -4,7 +4,7 @@ const prettyMs = require('pretty-ms')
 const numeral = require('numeral')
 
 const configManager = require('./config-manager')
-const settingsLoader = require('./settingsLoader')
+const settingsLoader = require('./settings-loader')
 const db = require('./postgresql_interface')
 
 const STALE_STATE = 2 * 60 * 1000
@@ -27,7 +27,7 @@ function sameState (a, b) {
 }
 
 function checkBalance (rec) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.unscoped(settings.config)
   const lowBalanceThreshold = config.notifications.lowBalanceThreshold
   return lowBalanceThreshold && rec.fiatBalance < lowBalanceThreshold
diff --git a/lib/plugins.js b/lib/plugins.js
index ec2e6f05..777aa351 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -1,37 +1,35 @@
 const uuid = require('uuid')
 const R = require('ramda')
 const BigNumber = require('bignumber.js')
-
-// Needed for BigNumber for now
-global.crypto = require('crypto')
-BigNumber.config({CRYPTO: true})
+const argv = require('minimist')(process.argv.slice(2))
+const crypto = require('crypto')
 
 const db = require('./postgresql_interface')
 const logger = require('./logger')
 const notifier = require('./notifier')
 const T = require('./time')
 const configManager = require('./config-manager')
-const settingsLoader = require('./settingsLoader')
+const settingsLoader = require('./settings-loader')
 const ticker = require('./ticker')
 const wallet = require('./wallet')
 const exchange = require('./exchange')
 const sms = require('./sms')
 const email = require('./email')
 
-const CHECK_NOTIFICATION_INTERVAL = T.minute
+const CHECK_NOTIFICATION_INTERVAL = 30 * T.seconds
 const ALERT_SEND_INTERVAL = T.hour
 const INCOMING_TX_INTERVAL = 30 * T.seconds
 const LIVE_INCOMING_TX_INTERVAL = 5 * T.seconds
 const STALE_INCOMING_TX_AGE = T.week
 const STALE_LIVE_INCOMING_TX_AGE = 10 * T.minutes
-const UNNOTIFIED_INTERVAL = T.minute
+const UNNOTIFIED_INTERVAL = 10 * T.seconds
 const MAX_NOTIFY_AGE = 2 * T.days
 const MIN_NOTIFY_AGE = 5 * T.minutes
 const TRANSACTION_EXPIRATION = 2 * T.days
 const SWEEP_LIVE_HD_INTERVAL = T.minute
 const SWEEP_OLD_HD_INTERVAL = 2 * T.minutes
-const TRADE_INTERVAL = T.minute
-const TRADE_TTL = 5 * T.minutes
+const TRADE_INTERVAL = 10 * T.seconds
+const TRADE_TTL = 2 * T.minutes
 const STALE_TICKER = 3 * 60 * 1000
 const STALE_BALANCE = 3 * 60 * 1000
 
@@ -46,7 +44,7 @@ let alertFingerprint = null
 let lastAlertTime = null
 
 function buildRates (deviceId, tickers) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.machineScoped(deviceId, settings.config)
   const cryptoCodes = config.currencies.cryptoCurrencies
 
@@ -69,7 +67,7 @@ function buildRates (deviceId, tickers) {
 }
 
 function buildBalances (deviceId, balanceRecs) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.machineScoped(deviceId, settings.config)
   const cryptoCodes = config.currencies.cryptoCurrencies
 
@@ -103,7 +101,7 @@ function buildCartridges (cartridges, virtualCartridges, rec) {
 }
 
 function pollQueries (deviceTime, deviceId, deviceRec) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.machineScoped(deviceId, settings.config)
   const fiatCode = config.currencies.fiatCurrency
   const cryptoCodes = config.currencies.cryptoCurrencies
@@ -157,13 +155,11 @@ function trade (deviceId, rawTrade) {
   const cryptoAtoms = rawTrade.cryptoAtoms
 
   return db.recordBill(deviceId, rawTrade)
-  .then(() => exchange.active(cryptoCode))
-  .then(active => {
-    if (!active) return
-
+  .then(() => {
     const market = [fiatCode, cryptoCode].join('')
 
     logger.debug('[%s] Pushing trade: %d', market, cryptoAtoms)
+    if (!tradesQueues[market]) tradesQueues[market] = []
     tradesQueues[market].push({
       fiatCode,
       cryptoAtoms,
@@ -173,7 +169,7 @@ function trade (deviceId, rawTrade) {
   })
 }
 
-function stateChange (deviceId, deviceTime, rec, cb) {
+function stateChange (deviceId, deviceTime, rec) {
   const event = {
     id: rec.uuid,
     deviceId: deviceId,
@@ -225,7 +221,7 @@ function cashOut (deviceId, tx) {
 }
 
 function dispenseAck (deviceId, tx) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.machineScoped(deviceId, settings.config)
   const cartridges = [ config.currencies.topCashOutDenomination,
     config.currencies.bottomCashOutDenomination ]
@@ -234,12 +230,12 @@ function dispenseAck (deviceId, tx) {
 }
 
 function fiatBalance (fiatCode, cryptoCode, deviceId) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.scoped(cryptoCode, deviceId, settings.config)
 
-  return Promise.all([ticker.ticker(cryptoCode), wallet.balance(cryptoCode)])
+  return Promise.all([ticker.getRates(fiatCode, cryptoCode), wallet.balance(cryptoCode)])
   .then(([rates, balanceRec]) => {
-    const rawRate = rates[cryptoCode].rates.ask
+    const rawRate = rates.rates.ask
     const commission = (new BigNumber(config.commissions.cashInCommission).div(100)).plus(1)
     const balance = balanceRec.balance
 
@@ -324,37 +320,43 @@ function startPolling () {
 /*
  * Trader functions
  */
-function buy (trade) {
-  return exchange.buy(trade.cryptoAtoms, trade.fiatCode, trade.cryptoCode)
-}
 
 function consolidateTrades (cryptoCode, fiatCode) {
   const market = [fiatCode, cryptoCode].join('')
 
-  if (tradesQueues[market].length === 0) return null
+  const marketTradesQueues = tradesQueues[market]
+  if (!marketTradesQueues || marketTradesQueues.length === 0) return null
 
-  logger.debug('[%s] tradesQueues size: %d', market, tradesQueues[market].length)
-  logger.debug('[%s] tradesQueues head: %j', market, tradesQueues[market][0])
+  logger.debug('[%s] tradesQueues size: %d', market, marketTradesQueues.length)
+  logger.debug('[%s] tradesQueues head: %j', market, marketTradesQueues[0])
 
-  const t0 = Date.now()
+  const t1 = Date.now()
 
-  const filtered = tradesQueues[market]
-  .filter(trade => t0 - trade.timestamp < TRADE_TTL)
+  const filtered = marketTradesQueues
+  .filter(trade => {
+    console.log('DEBUG33: %j, %s, %s, %s', trade, t1, trade.timestamp, TRADE_TTL)
+    return t1 - trade.timestamp < TRADE_TTL
+  })
 
-  const filteredCount = tradesQueues[market].length - filtered.length
+  const filteredCount = marketTradesQueues.length - filtered.length
 
   if (filteredCount > 0) {
     tradesQueues[market] = filtered
     logger.debug('[%s] expired %d trades', market, filteredCount)
   }
 
+  if (filtered.length === 0) return null
+
   const cryptoAtoms = filtered
   .reduce((prev, current) => prev.plus(current.cryptoAtoms), new BigNumber(0))
 
+  const timestamp = filtered.map(r => r.timestamp).reduce((acc, r) => Math.max(acc, r), 0)
+
   const consolidatedTrade = {
     fiatCode,
     cryptoAtoms,
-    cryptoCode
+    cryptoCode,
+    timestamp
   }
 
   tradesQueues[market] = []
@@ -364,8 +366,9 @@ function consolidateTrades (cryptoCode, fiatCode) {
 }
 
 function executeTrades () {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = settings.config
+
   return db.devices()
   .then(devices => {
     const deviceIds = devices.map(device => device.device_id)
@@ -397,18 +400,18 @@ function executeTradesForMarket (settings, fiatCode, cryptoCode) {
   }
 
   logger.debug('[%s] making a trade: %d', market, trade.cryptoAtoms.toString())
-  return buy(trade)
+
+  return exchange.buy(trade.cryptoAtoms, trade.fiatCode, trade.cryptoCode)
+  .then(() => logger.debug('[%s] Successful trade.', market))
   .catch(err => {
     tradesQueues[market].push(trade)
+    if (err.name === 'NoExchangeError') return logger.debug(err.message)
     logger.error(err)
   })
-  .then(() => {
-    logger.debug('[%s] Successful trade.', market)
-  })
 }
 
 function sendMessage (rec) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const notifications = configManager.unscoped(settings.config).notifications
 
   let promises = []
@@ -471,7 +474,7 @@ function checkNotification () {
 }
 
 function checkDeviceBalances (deviceId) {
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.machineScoped(deviceId, settings.config)
   const cryptoCodes = config.currencies.cryptoCurrencies
   const fiatCode = config.currencies.fiatCurrency
@@ -498,7 +501,7 @@ function checkBalances () {
     .then(arr => {
       const toMarket = r => r.fiatBalance + r.cryptoCode
       const min = R.minBy(r => r.fiatBalance)
-      return R.reduceBy(min, Infinity, toMarket, R.flatten(arr))
+      return R.values(R.reduceBy(min, Infinity, toMarket, R.flatten(arr)))
     })
   })
 }
@@ -509,23 +512,24 @@ function startCheckingNotification (config) {
   setInterval(checkNotification, CHECK_NOTIFICATION_INTERVAL)
 }
 
+function randomCode () {
+  return new BigNumber(crypto.randomBytes(3).toString('hex'), 16).shift(-6).toFixed(6).slice(-6)
+}
+
 function getPhoneCode (phone) {
-  return sms.code()
-  .then(pluginCode => {
-    const code = pluginCode === 'mock-sms'
-    ? '123'
-    : BigNumber.random().toFixed(6).slice(2)
+  const code = argv.mockSms
+  ? '123'
+  : randomCode()
 
-    const rec = {
-      sms: {
-        toNumber: phone,
-        body: 'Your cryptomat code: ' + code
-      }
+  const rec = {
+    sms: {
+      toNumber: phone,
+      body: 'Your cryptomat code: ' + code
     }
+  }
 
-    return sms.sendMessage(rec)
-    .then(() => code)
-  })
+  return sms.sendMessage(rec)
+  .then(() => code)
 }
 
 function fetchPhoneTx (phone) {
diff --git a/lib/postgresql_interface.js b/lib/postgresql_interface.js
index 252dac33..e6803a9a 100644
--- a/lib/postgresql_interface.js
+++ b/lib/postgresql_interface.js
@@ -351,7 +351,7 @@ exports.updateTxStatus = function updateTxStatus (tx, status) {
   })
 }
 
-exports.updateRedeem = function updateRedeem (txId) {
+exports.registerRedeem = function registerRedeem (txId) {
   const sql = 'UPDATE cash_out_txs SET redeem=$1 WHERE id=$2'
   const values = [true, txId]
 
diff --git a/lib/routes.js b/lib/routes.js
index 87052f00..be801dad 100644
--- a/lib/routes.js
+++ b/lib/routes.js
@@ -9,7 +9,7 @@ const configManager = require('./config-manager')
 const db = require('./db')
 const dbm = require('./postgresql_interface')
 const pairing = require('./pairing')
-const settingsLoader = require('./settings')
+const settingsLoader = require('./settings-loader')
 
 let plugins
 
@@ -27,12 +27,12 @@ function poll (req, res, next) {
   const deviceId = req.deviceId
   const deviceTime = req.deviceTime
   const pid = req.query.pid
-  const settings = settingsLoader.settings
+  const settings = settingsLoader.settings()
   const config = configManager.machineScoped(deviceId, settings.config)
 
   pids[deviceId] = {pid, ts: Date.now()}
 
-  plugins.pollQueries(settings, deviceTime, deviceId, req.query)
+  plugins.pollQueries(deviceTime, deviceId, req.query)
   .then(results => {
     const cartridges = results.cartridges
 
@@ -40,7 +40,7 @@ function poll (req, res, next) {
     const langs = config.languages.machineLanguages
 
     const locale = {
-      fiatCode: config.currencies.fiatCode,
+      fiatCode: config.currencies.fiatCurrency,
       localeInfo: {
         primaryLocale: langs[0],
         primaryLocales: langs
@@ -248,7 +248,10 @@ function updateCachedAction (req, body, status) {
 }
 
 function errorHandler (err, req, res, next) {
-  const statusCode = err.code || 500
+  const statusCode = err.name === 'HttpError'
+  ? err.code || 500
+  : 500
+
   const json = {error: err.message}
 
   logger.error(err)
@@ -301,9 +304,9 @@ function authorize (req, res, next) {
       return next()
     }
 
-    throw new Error('Unauthorized')
+    throw httpError('Unauthorized', 403)
   })
-  .catch(e => res.status(403).end())
+  .catch(next)
 }
 
 function init (opts) {
diff --git a/lib/settings-loader.js b/lib/settings-loader.js
index 72162e67..a407df18 100644
--- a/lib/settings-loader.js
+++ b/lib/settings-loader.js
@@ -2,7 +2,7 @@ const R = require('ramda')
 
 const db = require('./db')
 
-let settings
+let settingsCache
 
 function load () {
   return Promise.all([
@@ -10,15 +10,15 @@ function load () {
     loadAccounts()
   ])
   .then(function ([data, accounts]) {
-    settings = {
+    settingsCache = {
       config: data.data,
       accounts: accounts
     }
 
-    return settings
+    return settingsCache
   })
   .catch(err => {
-    settings = undefined
+    settingsCache = undefined
     throw err
   })
 }
@@ -34,6 +34,10 @@ function loadAccounts () {
   })
 }
 
+function settings () {
+  return settingsCache
+}
+
 module.exports = {
   settings,
   load
diff --git a/lib/sms.js b/lib/sms.js
index 0c91b822..87de165c 100644
--- a/lib/sms.js
+++ b/lib/sms.js
@@ -4,15 +4,15 @@ const settingsLoader = require('./settings-loader')
 function sendMessage (rec) {
   return Promise.resolve()
   .then(() => {
-    const settings = settingsLoader.settings
+    const settings = settingsLoader.settings()
     const pluginCode = configManager.unscoped(settings.config).extraServices.sms
 
     if (!pluginCode) throw new Error('No sms plugin defined')
-    const account = settings.accounts.plugin
-    const plugin = require('lamassu-' + plugin)
+    const account = settings.accounts[pluginCode]
+    const plugin = require('lamassu-' + pluginCode)
 
     return plugin.sendMessage(account, rec)
   })
 }
 
-module.exports({sendMessage})
+module.exports = {sendMessage}
diff --git a/lib/ticker.js b/lib/ticker.js
index e417a894..993b9cc3 100644
--- a/lib/ticker.js
+++ b/lib/ticker.js
@@ -6,10 +6,10 @@ const FETCH_INTERVAL = 10000
 function getRates (fiatCode, cryptoCode) {
   return Promise.resolve()
   .then(() => {
-    const settings = settingsLoader.settings
+    const settings = settingsLoader.settings()
     const config = settings.config
     const plugin = configManager.cryptoScoped(cryptoCode, config).cryptoServices.ticker
-    const account = settings.accounts.plugin
+    const account = settings.accounts[plugin]
     const ticker = require('lamassu-' + plugin)
 
     return ticker.ticker(account, fiatCode, cryptoCode)
diff --git a/lib/wallet.js b/lib/wallet.js
index 0bfe2d18..ac831b9c 100644
--- a/lib/wallet.js
+++ b/lib/wallet.js
@@ -7,9 +7,9 @@ const FETCH_INTERVAL = 5000
 function fetchWallet (cryptoCode) {
   return Promise.resolve()
   .then(() => {
-    const settings = settingsLoader.settings
+    const settings = settingsLoader.settings()
     const plugin = configManager.cryptoScoped(cryptoCode, settings.config).cryptoServices.wallet
-    const account = settings.accounts.plugin
+    const account = settings.accounts[plugin]
     const wallet = require('lamassu-' + plugin)
 
     return {wallet, account}
@@ -38,9 +38,9 @@ function newAddress (cryptoCode, info) {
   .then(r => r.wallet.newAddress(r.account, cryptoCode, info))
 }
 
-function getStatus (toAdress, cryptoAtoms, cryptoCode) {
+function getStatus (toAddress, cryptoAtoms, cryptoCode) {
   return fetchWallet(cryptoCode)
-  .then(r => r.wallet.getStatus(r.account, toAdress, cryptoAtoms, cryptoCode))
+  .then(r => r.wallet.getStatus(r.account, toAddress, cryptoAtoms, cryptoCode))
 }
 
 module.exports = {
diff --git a/package.json b/package.json
index 14f9e73c..8044d4a7 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "node-hkdf-sync": "^1.0.0",
     "numeral": "^1.5.3",
     "pg": "^6.1.0",
-    "pg-promise": "^5.3.5",
+    "pg-promise": "^5.4.4",
     "pify": "^2.3.0",
     "pretty-ms": "^2.1.0",
     "ramda": "^0.22.1",
diff --git a/yarn.lock b/yarn.lock
index cc4ffe12..23c542b5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -158,6 +158,10 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+big.js@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.1.3.tgz#4cada2193652eb3ca9ec8e55c9015669c9806978"
+
 bigi@^1.1.0, bigi@^1.4.0:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/bigi/-/bigi-1.4.2.tgz#9c665a95f88b8b08fc05cfd731f561859d725825"
@@ -178,7 +182,7 @@ bindings@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.2.1.tgz#14ad6113812d2d37d72e67b4cacb4bb726505f11"
 
-bip66@^1.1.0:
+bip66@^1.1.0, bip66@^1.1.3:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/bip66/-/bip66-1.1.4.tgz#8a59f8ae16eccb94681c3c2a7b224774605aadfb"
 
@@ -202,12 +206,13 @@ bitcoinjs-lib@2.1.4:
     typeforce "^1.5.5"
     wif "^1.1.0"
 
-bitgo@^1.5.4:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/bitgo/-/bitgo-1.8.0.tgz#f7180fe377139dd062b0829e0290250ce22d51fd"
+bitgo@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/bitgo/-/bitgo-2.0.4.tgz#83757c8cbb8481b5011c50b1eea4769d52ebabf6"
   dependencies:
     argparse "^0.1.16"
     assert "0.4.9"
+    big.js "^3.1.3"
     bigi "1.4.0"
     bitcoinjs-lib "2.1.4"
     body-parser "^1.10.2"
@@ -215,9 +220,12 @@ bitgo@^1.5.4:
     bs58check "1.0.4"
     create-hmac "^1.1.4"
     ecurve "^1.0.2"
+    ethereumjs-abi "^0.6.2"
+    ethereumjs-util "^4.4.1"
     express "^4.11.1"
     http-proxy "1.11.1"
-    lodash "3.7.0"
+    keccakjs "^0.2.1"
+    lodash "4.13.1"
     minimist "0.2.0"
     moment "^2.11.2"
     morgan "1.5.3"
@@ -238,7 +246,7 @@ bluebird@*, bluebird@^3.3.5:
   version "3.4.6"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.4.6.tgz#01da8d821d87813d158967e743d5fe6c62cf8c0f"
 
-bn.js@^4.10.0, bn.js@^4.4.0:
+bn.js@^4.10.0, bn.js@^4.11.3, bn.js@^4.4.0, bn.js@^4.8.0:
   version "4.11.6"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
 
@@ -288,6 +296,12 @@ browserify-aes@^1.0.6:
     evp_bytestokey "^1.0.0"
     inherits "^2.0.1"
 
+browserify-sha3@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/browserify-sha3/-/browserify-sha3-0.0.1.tgz#3ff34a3006ef15c0fb3567e541b91a2340123d11"
+  dependencies:
+    js-sha3 "^0.3.1"
+
 bs58@^2.0.1, bs58@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-2.0.1.tgz#55908d58f1982aba2008fa1bed8f91998a29bf8d"
@@ -619,7 +633,7 @@ dont-sniff-mimetype@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/dont-sniff-mimetype/-/dont-sniff-mimetype-1.0.0.tgz#5932890dc9f4e2f19e5eb02a20026e5e5efc8f58"
 
-drbg.js@^1.0.0:
+drbg.js@^1.0.0, drbg.js@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/drbg.js/-/drbg.js-1.0.1.tgz#3e36b6c42b37043823cdbc332d58f31e2445480b"
   dependencies:
@@ -715,6 +729,23 @@ etag@~1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.7.0.tgz#03d30b5f67dd6e632d2945d30d6652731a34d5d8"
 
+ethereumjs-abi@^0.6.2:
+  version "0.6.4"
+  resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.4.tgz#9ba1bb056492d00c27279f6eccd4d58275912c1a"
+  dependencies:
+    bn.js "^4.10.0"
+    ethereumjs-util "^4.3.0"
+
+ethereumjs-util@^4.3.0, ethereumjs-util@^4.4.1:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz#3e9428b317eebda3d7260d854fddda954b1f1bc6"
+  dependencies:
+    bn.js "^4.8.0"
+    create-hash "^1.1.2"
+    keccakjs "^0.2.0"
+    rlp "^2.0.0"
+    secp256k1 "^3.0.1"
+
 eventemitter3@1.x.x:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
@@ -1154,6 +1185,10 @@ jodid25519@^1.0.0:
   dependencies:
     jsbn "~0.1.0"
 
+js-sha3@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.3.1.tgz#86122802142f0828502a0d1dee1d95e253bb0243"
+
 jsbn@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.0.tgz#650987da0dd74f4ebf5a11377a2aa2d273e97dfd"
@@ -1234,6 +1269,13 @@ jws@^3.0.0:
     jwa "^1.1.4"
     safe-buffer "^5.0.1"
 
+keccakjs@^0.2.0, keccakjs@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.1.tgz#1d633af907ef305bbf9f2fa616d56c44561dfa4d"
+  dependencies:
+    browserify-sha3 "^0.0.1"
+    sha3 "^1.1.0"
+
 kind-of@^3.0.2:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.0.4.tgz#7b8ecf18a4e17f8269d73b501c9f232c96887a74"
@@ -1354,9 +1396,9 @@ lodash@^4.14.0, lodash@^4.17.2:
   version "4.17.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.2.tgz#34a3055babe04ce42467b607d700072c7ff6bf42"
 
-lodash@3.7.0:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.7.0.tgz#3678bd8ab995057c07ade836ed2ef087da811d45"
+lodash@4.13.1:
+  version "4.13.1"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.13.1.tgz#83e4b10913f48496d4d16fec4a560af2ee744b68"
 
 longest@^1.0.1:
   version "1.0.1"
@@ -1497,11 +1539,7 @@ ms@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
 
-mute-stream@~0.0.4:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.6.tgz#48962b19e169fd1dfc240b3f1e7317627bbc47db"
-
-nan@^2.2.0:
+nan@^2.0.5, nan@^2.2.0, nan@^2.2.1:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.4.0.tgz#fb3c59d45fe4effe215f0b890f8adf6eb32d2232"
 
@@ -1687,9 +1725,9 @@ pg-pool@1.*:
     generic-pool "2.4.2"
     object-assign "4.1.0"
 
-pg-promise@^5.3.5:
-  version "5.4.3"
-  resolved "https://registry.yarnpkg.com/pg-promise/-/pg-promise-5.4.3.tgz#4b5a91dccdcb8dafd0699a660c2ad80af59e17b9"
+pg-promise:
+  version "5.4.4"
+  resolved "https://registry.yarnpkg.com/pg-promise/-/pg-promise-5.4.4.tgz#9c8ba780734981cb83d11aeda9fc70a3d66449b5"
   dependencies:
     manakin "0.4"
     pg "5.1"
@@ -1824,12 +1862,6 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
-promptly@~0.2.0:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/promptly/-/promptly-0.2.1.tgz#6444e7ca4dbd9899e7eeb5ec3922827ebdc22b3b"
-  dependencies:
-    read "~1.0.4"
-
 proxy-addr@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-1.1.2.tgz#b4cc5f22610d9535824c123aef9d3cf73c40ba37"
@@ -1925,12 +1957,6 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-read@~1.0.4:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/read/-/read-1.0.7.tgz#b3da19bd052431a97671d44a42634adf710b40c4"
-  dependencies:
-    mute-stream "~0.0.4"
-
 readable-stream@^2.0.5, readable-stream@2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.2.tgz#a9e6fec3c7dda85f8bb1b3ba7028604556fc825e"
@@ -2104,6 +2130,10 @@ ripemd160@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-1.0.1.tgz#93a4bbd4942bc574b69a8fa57c71de10ecca7d6e"
 
+rlp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.0.0.tgz#9db384ff4b89a8f61563d92395d8625b18f3afb0"
+
 safe-buffer@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
@@ -2112,6 +2142,18 @@ scmp@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/scmp/-/scmp-0.0.3.tgz#3648df2d7294641e7f78673ffc29681d9bad9073"
 
+secp256k1@^3.0.1:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.2.2.tgz#2103620789ca2c9b79650cdf8cfc9c542be36597"
+  dependencies:
+    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"
+
 secp256k1@3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.0.1.tgz#1e9205135a4ed3503150dd00e7a4eb219f2900b3"
@@ -2175,6 +2217,12 @@ sha.js@^2.3.6:
   dependencies:
     inherits "^2.0.1"
 
+sha3@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/sha3/-/sha3-1.2.0.tgz#6989f1b70a498705876a373e2c62ace96aa9399a"
+  dependencies:
+    nan "^2.0.5"
+
 signal-exit@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.1.tgz#5a4c884992b63a7acd9badb7894c3ee9cfccad81"