diff --git a/lib/coin-utils.js b/lib/coin-utils.js
index 2fdbd45b..c19384d1 100644
--- a/lib/coin-utils.js
+++ b/lib/coin-utils.js
@@ -92,7 +92,7 @@ function buildUrl (cryptoCode, address) {
 }
 
 function blockchainDir () {
-  return options.blockchainDir
+  return '/mnt/blockchains'
 }
 
 function cryptoDir (cryptoRec) {
diff --git a/lib/plugins.js b/lib/plugins.js
index b86f76b5..b79f2cd5 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -31,7 +31,7 @@ const mapValuesWithKey = _.mapValues.convert({
 
 const TRADE_TTL = 2 * T.minutes
 const STALE_TICKER = 3 * T.minutes
-const STALE_BALANCE = 3 * T.minutes
+const STALE_BALANCE = 15 * T.seconds
 const PONG_TTL = '1 week'
 const tradesQueues = {}
 
diff --git a/lib/plugins/common/json-rpc.js b/lib/plugins/common/json-rpc.js
index 7d29cd66..03cad38f 100644
--- a/lib/plugins/common/json-rpc.js
+++ b/lib/plugins/common/json-rpc.js
@@ -48,21 +48,18 @@ function split (str) {
 }
 
 function parseConf (confPath) {
-  try {
-    const conf = fs.readFileSync(confPath)
-    const lines = conf.toString().split('\n')
+  const conf = fs.readFileSync(confPath)
+  const lines = conf.toString().split('\n')
 
-    const res = {}
-    for (let i = 0; i < lines.length; i++) {
-      const keyVal = split(lines[i])
+  const res = {}
+  for (let i = 0; i < lines.length; i++) {
+    const keyVal = split(lines[i])
 
-      // skip when value is empty
-      if (!keyVal[1]) continue
+    // skip when value is empty
+    if (!keyVal[1]) continue
 
-      res[keyVal[0]] = keyVal[1]
-    }
-    return res
-  } catch (e) {
-    throw new Error('wallet is currently not installed')
+    res[keyVal[0]] = keyVal[1]
   }
+
+  return res
 }
diff --git a/lib/plugins/wallet/bitcoincashd/bitcoincashd.js b/lib/plugins/wallet/bitcoincashd/bitcoincashd.js
index fd141ede..418af0a2 100644
--- a/lib/plugins/wallet/bitcoincashd/bitcoincashd.js
+++ b/lib/plugins/wallet/bitcoincashd/bitcoincashd.js
@@ -8,16 +8,22 @@ const coinUtils = require('../../../coin-utils')
 const cryptoRec = coinUtils.getCryptoCurrency('BCH')
 const configPath = coinUtils.configPath(cryptoRec)
 const unitScale = cryptoRec.unitScale
-const config = jsonRpc.parseConf(configPath)
 
-const rpcConfig = {
-  username: config.rpcuser,
-  password: config.rpcpassword,
-  port: config.rpcport || cryptoRec.defaultPort
+function rpcConfig () {
+  try {
+    const config = jsonRpc.parseConf(configPath)
+    return {
+      username: config.rpcuser,
+      password: config.rpcpassword,
+      port: config.rpcport || cryptoRec.defaultPort
+    }
+  } catch (err) {
+    throw new Error('wallet is currently not installed')
+  }
 }
 
 function fetch (method, params) {
-  return jsonRpc.fetch(rpcConfig, method, params)
+  return jsonRpc.fetch(rpcConfig(), method, params)
 }
 
 function checkCryptoCode (cryptoCode) {
diff --git a/lib/plugins/wallet/bitcoind/bitcoind.js b/lib/plugins/wallet/bitcoind/bitcoind.js
index e424eeef..238fcca1 100644
--- a/lib/plugins/wallet/bitcoind/bitcoind.js
+++ b/lib/plugins/wallet/bitcoind/bitcoind.js
@@ -8,16 +8,22 @@ const coinUtils = require('../../../coin-utils')
 const cryptoRec = coinUtils.getCryptoCurrency('BTC')
 const configPath = coinUtils.configPath(cryptoRec)
 const unitScale = cryptoRec.unitScale
-const config = jsonRpc.parseConf(configPath)
 
-const rpcConfig = {
-  username: config.rpcuser,
-  password: config.rpcpassword,
-  port: config.rpcport || cryptoRec.defaultPort
+function rpcConfig () {
+  try {
+    const config = jsonRpc.parseConf(configPath)
+    return {
+      username: config.rpcuser,
+      password: config.rpcpassword,
+      port: config.rpcport || cryptoRec.defaultPort
+    }
+  } catch (err) {
+    throw new Error('wallet is currently not installed')
+  }
 }
 
 function fetch (method, params) {
-  return jsonRpc.fetch(rpcConfig, method, params)
+  return jsonRpc.fetch(rpcConfig(), method, params)
 }
 
 function checkCryptoCode (cryptoCode) {
diff --git a/lib/plugins/wallet/dashd/dashd.js b/lib/plugins/wallet/dashd/dashd.js
index 33c86c13..1ef6ee66 100644
--- a/lib/plugins/wallet/dashd/dashd.js
+++ b/lib/plugins/wallet/dashd/dashd.js
@@ -9,16 +9,22 @@ const E = require('../../../error')
 const cryptoRec = coinUtils.getCryptoCurrency('DASH')
 const configPath = coinUtils.configPath(cryptoRec)
 const unitScale = cryptoRec.unitScale
-const config = jsonRpc.parseConf(configPath)
 
-const rpcConfig = {
-  username: config.rpcuser,
-  password: config.rpcpassword,
-  port: config.rpcport || cryptoRec.defaultPort
+function rpcConfig () {
+  try {
+    const config = jsonRpc.parseConf(configPath)
+    return {
+      username: config.rpcuser,
+      password: config.rpcpassword,
+      port: config.rpcport || cryptoRec.defaultPort
+    }
+  } catch (err) {
+    throw new Error('wallet is currently not installed')
+  }
 }
 
 function fetch (method, params) {
-  return jsonRpc.fetch(rpcConfig, method, params)
+  return jsonRpc.fetch(rpcConfig(), method, params)
 }
 
 function checkCryptoCode (cryptoCode) {
diff --git a/lib/plugins/wallet/litecoind/litecoind.js b/lib/plugins/wallet/litecoind/litecoind.js
index 234b816e..5601c6e4 100644
--- a/lib/plugins/wallet/litecoind/litecoind.js
+++ b/lib/plugins/wallet/litecoind/litecoind.js
@@ -9,16 +9,21 @@ const E = require('../../../error')
 const cryptoRec = coinUtils.getCryptoCurrency('LTC')
 const configPath = coinUtils.configPath(cryptoRec)
 const unitScale = cryptoRec.unitScale
-const config = jsonRpc.parseConf(configPath)
 
-const rpcConfig = {
-  username: config.rpcuser,
-  password: config.rpcpassword,
-  port: config.rpcport || cryptoRec.defaultPort
+function rpcConfig () {
+  try {
+    const config = jsonRpc.parseConf(configPath)
+    return {
+      username: config.rpcuser,
+      password: config.rpcpassword,
+      port: config.rpcport || cryptoRec.defaultPort
+    }
+  } catch (err) {
+    throw new Error('wallet is currently not installed')
+  }
 }
-
 function fetch (method, params) {
-  return jsonRpc.fetch(rpcConfig, method, params)
+  return jsonRpc.fetch(rpcConfig(), method, params)
 }
 
 function checkCryptoCode (cryptoCode) {
diff --git a/lib/plugins/wallet/zcashd/zcashd.js b/lib/plugins/wallet/zcashd/zcashd.js
index a594612b..c2749e3e 100644
--- a/lib/plugins/wallet/zcashd/zcashd.js
+++ b/lib/plugins/wallet/zcashd/zcashd.js
@@ -19,7 +19,7 @@ function rpcConfig () {
       port: config.rpcport || cryptoRec.defaultPort
     }
   } catch (err) {
-    throw err
+    throw new Error('wallet is currently not installed')
   }
 }