diff --git a/basicswap/base.py b/basicswap/base.py
index 5616b16..b2fb699 100644
--- a/basicswap/base.py
+++ b/basicswap/base.py
@@ -35,6 +35,7 @@ class BaseApp:
         self.chain = chain
         self.settings = settings
         self.coin_clients = {}
+        self.coin_interfaces = {}
         self.mxDB = threading.RLock()
         self.debug = self.settings.get('debug', False)
         self._network = None
@@ -91,14 +92,6 @@ class BaseApp:
                 return c
         raise ValueError('Unknown coin: {}'.format(coin_name))
 
-    def getTicker(self, coin_type):
-        ticker = chainparams[coin_type]['ticker']
-        if self.chain == 'testnet':
-            ticker = 't' + ticker
-        if self.chain == 'regtest':
-            ticker = 'rt' + ticker
-        return ticker
-
     def encodeSegwitP2WSH(self, coin_type, p2wsh):
         return segwit_addr.encode(chainparams[coin_type][self.chain]['hrp'], 0, p2wsh[2:])
 
diff --git a/basicswap/basicswap.py b/basicswap/basicswap.py
index 3d076a6..a32cd75 100644
--- a/basicswap/basicswap.py
+++ b/basicswap/basicswap.py
@@ -1430,9 +1430,9 @@ class BasicSwap(BaseApp):
         return est_fee
 
     def withdrawCoin(self, coin_type, value, addr_to, subfee):
-        self.log.info('withdrawCoin %s %s to %s %s', value, self.getTicker(coin_type), addr_to, ' subfee' if subfee else '')
-
         ci = self.ci(coin_type)
+        self.log.info('withdrawCoin %s %s to %s %s', value, ci.ticker(), addr_to, ' subfee' if subfee else '')
+
         txid = ci.withdrawCoin(value, addr_to, subfee)
         self.log.debug('In txn: {}'.format(txid))
         return txid
diff --git a/basicswap/chainparams.py b/basicswap/chainparams.py
index 68f766a..33b03bf 100644
--- a/basicswap/chainparams.py
+++ b/basicswap/chainparams.py
@@ -205,8 +205,9 @@ chainparams = {
 
 
 class CoinInterface:
-    def __init__(self):
+    def __init__(self, network):
         self.setDefaults()
+        self._network = network
 
     def setDefaults(self):
         self._unknown_wallet_seed = True
@@ -223,7 +224,12 @@ class CoinInterface:
         return chainparams[self.coin_type()]['name'].capitalize()
 
     def ticker(self):
-        return chainparams[self.coin_type()]['ticker']
+        ticker = chainparams[self.coin_type()]['ticker']
+        if self._network == 'testnet':
+            ticker = 't' + ticker
+        elif self._network == 'regtest':
+            ticker = 'rt' + ticker
+        return ticker
 
     def min_amount(self):
         return chainparams[self.coin_type()][self._network]['min_amount']
diff --git a/basicswap/explorers.py b/basicswap/explorers.py
index 2b60567..bff1ab0 100644
--- a/basicswap/explorers.py
+++ b/basicswap/explorers.py
@@ -14,7 +14,6 @@ class Explorer():
         self.coin_type = coin_type
         self.base_url = base_url
         self.log = self.swapclient.log
-        self.coin_settings = self.swapclient.coin_clients[self.coin_type]
 
     def readURL(self, url):
         self.log.debug('Explorer url: {}'.format(url))
diff --git a/basicswap/interface_btc.py b/basicswap/interface_btc.py
index d366415..2a35d28 100644
--- a/basicswap/interface_btc.py
+++ b/basicswap/interface_btc.py
@@ -152,10 +152,9 @@ class BTCInterface(CoinInterface):
         return lock_value & SEQUENCE_LOCKTIME_MASK
 
     def __init__(self, coin_settings, network, swap_client=None):
-        super().__init__()
+        super().__init__(network)
         rpc_host = coin_settings.get('rpchost', '127.0.0.1')
         self.rpc_callback = make_rpc_func(coin_settings['rpcport'], coin_settings['rpcauth'], host=rpc_host)
-        self._network = network
         self.blocks_confirmed = coin_settings['blocks_confirmed']
         self.setConfTarget(coin_settings['conf_target'])
         self._sc = swap_client
diff --git a/basicswap/interface_xmr.py b/basicswap/interface_xmr.py
index c47d831..271d212 100644
--- a/basicswap/interface_xmr.py
+++ b/basicswap/interface_xmr.py
@@ -59,12 +59,11 @@ class XMRInterface(CoinInterface):
         return 32
 
     def __init__(self, coin_settings, network, swap_client=None):
-        super().__init__()
+        super().__init__(network)
         self.rpc_cb = make_xmr_rpc_func(coin_settings['rpcport'], host=coin_settings.get('rpchost', '127.0.0.1'))
         self.rpc_cb2 = make_xmr_rpc2_func(coin_settings['rpcport'], host=coin_settings.get('rpchost', '127.0.0.1'))  # non-json endpoint
         self.rpc_wallet_cb = make_xmr_wallet_rpc_func(coin_settings['walletrpcport'], coin_settings['walletrpcauth'])
 
-        self._network = network
         self.blocks_confirmed = coin_settings['blocks_confirmed']
         self._restore_height = coin_settings.get('restore_height', 0)
         self.setFeePriority(coin_settings.get('fee_priority', 0))