diff --git a/electrum/blockchain.py b/electrum/blockchain.py
index 742c10db..3de11801 100644
--- a/electrum/blockchain.py
+++ b/electrum/blockchain.py
@@ -182,7 +182,7 @@ class Blockchain(util.PrintError):
             raise Exception("prev hash mismatch: %s vs %s" % (prev_hash, header.get('prev_block_hash')))
         if constants.net.TESTNET:
             return
-        print("I'm inside verify_header")
+        #print("I'm inside verify_header")
         #bits = self.target_to_bits(target)
         bits = target
         if bits != header.get('bits'):
@@ -191,18 +191,19 @@ class Blockchain(util.PrintError):
         target_val = self.bits_to_target(bits)
         if int('0x' + _powhash, 16) > target_val:
             raise Exception("insufficient proof of work: %s vs target %s" % (int('0x' + _hash, 16), target_val))
-        print("I passed verify_header(). Calc target values have been matched")
+        #print("I passed verify_header(). Calc target values have been matched")
 
     def verify_chunk(self, index, data):
         num = len(data) // 80
         current_header = (index * 2016)
         # last = (index * 2016 + 2015)
+        print(index*2016)
         prev_hash = self.get_hash(current_header - 1)
         for i in range(num):
             target = self.get_target(current_header - 1)
             raw_header = data[i*80:(i+1) * 80]
             header = deserialize_header(raw_header, current_header)
-            print(i)
+            #print(i)
             self.verify_header(header, prev_hash, target)
             self.save_chunk_part(header)
             prev_hash = hash_header(header)
diff --git a/electrum/currencies.json b/electrum/currencies.json
index 63ae5e1b..993dba64 100644
--- a/electrum/currencies.json
+++ b/electrum/currencies.json
@@ -357,7 +357,7 @@
     "Bitvalor": [
         "BRL"
     ],
-    "BlockchainInfo": [
+    "Bittrex": [
         "AUD",
         "BRL",
         "CAD",
diff --git a/electrum/exchange_rate.py b/electrum/exchange_rate.py
index 1d543a95..b20b4ea6 100644
--- a/electrum/exchange_rate.py
+++ b/electrum/exchange_rate.py
@@ -208,11 +208,13 @@ class Bitvalor(ExchangeBase):
         return {'BRL': Decimal(json['ticker_1h']['total']['last'])}
 
 
-class BlockchainInfo(ExchangeBase):
+class Bittrex(ExchangeBase):
 
     def get_rates(self, ccy):
+        json = self.get_json('bittrex.com','/api/v1.1/public/getticker?market=BTC-FLO')
+        floPrice_inBTC = json['result']['Last']
         json = self.get_json('blockchain.info', '/ticker')
-        return dict([(r, Decimal(json[r]['15m'])) for r in json])
+        return dict([(r, Decimal(json[r]['15m'] * floPrice_inBTC)) for r in json])
 
 
 class BTCChina(ExchangeBase):
diff --git a/electrum/util.py b/electrum/util.py
index 9cfbfee1..b37ef62e 100644
--- a/electrum/util.py
+++ b/electrum/util.py
@@ -584,43 +584,17 @@ def time_difference(distance_in_time, include_seconds):
         return "over %d years" % (round(distance_in_minutes / 525600))
 
 mainnet_block_explorers = {
-    'Biteasy.com': ('https://www.biteasy.com/blockchain/',
-                        {'tx': 'transactions/', 'addr': 'addresses/'}),
-    'Bitflyer.jp': ('https://chainflyer.bitflyer.jp/',
-                        {'tx': 'Transaction/', 'addr': 'Address/'}),
-    'Blockchain.info': ('https://blockchain.info/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'blockchainbdgpzk.onion': ('https://blockchainbdgpzk.onion/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'Blockr.io': ('https://btc.blockr.io/',
-                        {'tx': 'tx/info/', 'addr': 'address/info/'}),
-    'Blocktrail.com': ('https://www.blocktrail.com/BTC/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'BTC.com': ('https://chain.btc.com/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'Chain.so': ('https://www.chain.so/',
-                        {'tx': 'tx/BTC/', 'addr': 'address/BTC/'}),
-    'Insight.is': ('https://insight.bitpay.com/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'TradeBlock.com': ('https://tradeblock.com/blockchain/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'BlockCypher.com': ('https://live.blockcypher.com/btc/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
-    'Blockchair.com': ('https://blockchair.com/bitcoin/',
-                        {'tx': 'transaction/', 'addr': 'address/'}),
-    'blockonomics.co': ('https://www.blockonomics.co/',
-                        {'tx': 'api/tx?txid=', 'addr': '#/search?q='}),
-    'OXT.me': ('https://oxt.me/',
-                        {'tx': 'transaction/', 'addr': 'address/'}),
+    'Florincoin.info': ('https://florincoin.info/',
+                        {'tx': 'transactions/', 'addr': 'address/'}),
     'system default': ('blockchain:/',
-                        {'tx': 'tx/', 'addr': 'address/'}),
+                        {'tx': 'tx/', 'addr': 'address/'})
 }
 
 testnet_block_explorers = {
-    'Blocktrail.com': ('https://www.blocktrail.com/tBTC/',
-                       {'tx': 'tx/', 'addr': 'address/'}),
+    'testnet.Florincoin.info': ('https://testnet.florincoin.info/',
+                        {'tx': 'transactions/', 'addr': 'address/'}),
     'system default': ('blockchain://000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943/',
-                       {'tx': 'tx/', 'addr': 'address/'}),
+                       {'tx': 'tx/', 'addr': 'address/'})
 }
 
 def block_explorer_info():
@@ -628,7 +602,7 @@ def block_explorer_info():
     return testnet_block_explorers if constants.net.TESTNET else mainnet_block_explorers
 
 def block_explorer(config):
-    return config.get('block_explorer', 'Blocktrail.com')
+    return config.get('block_explorer', 'Florincoin.info')
 
 def block_explorer_tuple(config):
     return block_explorer_info().get(block_explorer(config))