diff --git a/src/net.cpp b/src/net.cpp
index 6642ef6515..8ae31e715e 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -56,7 +56,6 @@
 #endif
 #endif
 
-using namespace std;
 
 namespace {
     const int MAX_OUTBOUND_CONNECTIONS = 8;
@@ -78,7 +77,7 @@ bool fDiscover = true;
 bool fListen = true;
 uint64_t nLocalServices = NODE_NETWORK;
 CCriticalSection cs_mapLocalHost;
-map<CNetAddr, LocalServiceInfo> mapLocalHost;
+std::map<CNetAddr, LocalServiceInfo> mapLocalHost;
 static bool vfLimited[NET_MAX] = {};
 static CNode* pnodeLocalHost = NULL;
 uint64_t nLocalHostNonce = 0;
@@ -88,20 +87,20 @@ int nMaxConnections = DEFAULT_MAX_PEER_CONNECTIONS;
 bool fAddressesInitialized = false;
 std::string strSubVersion;
 
-vector<CNode*> vNodes;
+std::vector<CNode*> vNodes;
 CCriticalSection cs_vNodes;
-map<uint256, CTransaction> mapRelay;
-deque<pair<int64_t, uint256> > vRelayExpiration;
+std::map<uint256, CTransaction> mapRelay;
+std::deque<std::pair<int64_t, uint256> > vRelayExpiration;
 CCriticalSection cs_mapRelay;
 limitedmap<uint256, int64_t> mapAlreadyAskedFor(MAX_INV_SZ);
 
-static deque<string> vOneShots;
+static std::deque<std::string> vOneShots;
 CCriticalSection cs_vOneShots;
 
-set<CNetAddr> setservAddNodeAddresses;
+std::set<CNetAddr> setservAddNodeAddresses;
 CCriticalSection cs_setservAddNodeAddresses;
 
-vector<std::string> vAddedNodes;
+std::vector<std::string> vAddedNodes;
 CCriticalSection cs_vAddedNodes;
 
 NodeId nLastNodeId = 0;
@@ -135,7 +134,7 @@ bool GetLocal(CService& addr, const CNetAddr *paddrPeer)
     int nBestReachability = -1;
     {
         LOCK(cs_mapLocalHost);
-        for (map<CNetAddr, LocalServiceInfo>::iterator it = mapLocalHost.begin(); it != mapLocalHost.end(); it++)
+        for (std::map<CNetAddr, LocalServiceInfo>::iterator it = mapLocalHost.begin(); it != mapLocalHost.end(); it++)
         {
             int nScore = (*it).second.nScore;
             int nReachability = (*it).first.GetReachabilityFrom(paddrPeer);
@@ -796,7 +795,7 @@ void SocketSendData(CNode *pnode)
     pnode->vSendMsg.erase(pnode->vSendMsg.begin(), it);
 }
 
-static list<CNode*> vNodesDisconnected;
+static std::list<CNode*> vNodesDisconnected;
 
 class CNodeRef {
 public:
@@ -1045,7 +1044,7 @@ void ThreadSocketHandler()
         {
             LOCK(cs_vNodes);
             // Disconnect unused nodes
-            vector<CNode*> vNodesCopy = vNodes;
+            std::vector<CNode*> vNodesCopy = vNodes;
             BOOST_FOREACH(CNode* pnode, vNodesCopy)
             {
                 if (pnode->fDisconnect ||
@@ -1069,7 +1068,7 @@ void ThreadSocketHandler()
         }
         {
             // Delete disconnected nodes
-            list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
+            std::list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
             BOOST_FOREACH(CNode* pnode, vNodesDisconnectedCopy)
             {
                 // wait until threads are done using it
@@ -1120,7 +1119,7 @@ void ThreadSocketHandler()
 
         BOOST_FOREACH(const ListenSocket& hListenSocket, vhListenSocket) {
             FD_SET(hListenSocket.socket, &fdsetRecv);
-            hSocketMax = max(hSocketMax, hListenSocket.socket);
+            hSocketMax = std::max(hSocketMax, hListenSocket.socket);
             have_fds = true;
         }
 
@@ -1131,7 +1130,7 @@ void ThreadSocketHandler()
                 if (pnode->hSocket == INVALID_SOCKET)
                     continue;
                 FD_SET(pnode->hSocket, &fdsetError);
-                hSocketMax = max(hSocketMax, pnode->hSocket);
+                hSocketMax = std::max(hSocketMax, pnode->hSocket);
                 have_fds = true;
 
                 // Implement the following logic:
@@ -1198,7 +1197,7 @@ void ThreadSocketHandler()
         //
         // Service each socket
         //
-        vector<CNode*> vNodesCopy;
+        std::vector<CNode*> vNodesCopy;
         {
             LOCK(cs_vNodes);
             vNodesCopy = vNodes;
@@ -1355,7 +1354,7 @@ void ThreadMapPort()
             }
         }
 
-        string strDesc = "Bitcoin " + FormatFullVersion();
+        std::string strDesc = "Bitcoin " + FormatFullVersion();
 
         try {
             while (true) {
@@ -1441,7 +1440,7 @@ void ThreadDNSAddressSeed()
         }
     }
 
-    const vector<CDNSSeedData> &vSeeds = Params().DNSSeeds();
+    const std::vector<CDNSSeedData> &vSeeds = Params().DNSSeeds();
     int found = 0;
 
     LogPrintf("Loading addresses from DNS seeds (could take a while)\n");
@@ -1450,8 +1449,8 @@ void ThreadDNSAddressSeed()
         if (HaveNameProxy()) {
             AddOneShot(seed.host);
         } else {
-            vector<CNetAddr> vIPs;
-            vector<CAddress> vAdd;
+            std::vector<CNetAddr> vIPs;
+            std::vector<CAddress> vAdd;
             if (LookupHost(seed.host.c_str(), vIPs, 0, true))
             {
                 BOOST_FOREACH(const CNetAddr& ip, vIPs)
@@ -1508,7 +1507,7 @@ void DumpData()
 
 void static ProcessOneShot()
 {
-    string strDest;
+    std::string strDest;
     {
         LOCK(cs_vOneShots);
         if (vOneShots.empty())
@@ -1574,7 +1573,7 @@ void ThreadOpenConnections()
         // Only connect out to one peer per network group (/16 for IPv4).
         // Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
         int nOutbound = 0;
-        set<vector<unsigned char> > setConnected;
+        std::set<std::vector<unsigned char> > setConnected;
         {
             LOCK(cs_vNodes);
             BOOST_FOREACH(CNode* pnode, vNodes) {
@@ -1632,7 +1631,7 @@ void ThreadOpenAddedConnections()
 
     if (HaveNameProxy()) {
         while(true) {
-            list<string> lAddresses(0);
+            std::list<std::string> lAddresses(0);
             {
                 LOCK(cs_vAddedNodes);
                 BOOST_FOREACH(const std::string& strAddNode, vAddedNodes)
@@ -1650,16 +1649,16 @@ void ThreadOpenAddedConnections()
 
     for (unsigned int i = 0; true; i++)
     {
-        list<string> lAddresses(0);
+        std::list<std::string> lAddresses(0);
         {
             LOCK(cs_vAddedNodes);
             BOOST_FOREACH(const std::string& strAddNode, vAddedNodes)
                 lAddresses.push_back(strAddNode);
         }
 
-        list<vector<CService> > lservAddressesToAdd(0);
+        std::list<std::vector<CService> > lservAddressesToAdd(0);
         BOOST_FOREACH(const std::string& strAddNode, lAddresses) {
-            vector<CService> vservNode(0);
+            std::vector<CService> vservNode(0);
             if(Lookup(strAddNode.c_str(), vservNode, Params().GetDefaultPort(), fNameLookup, 0))
             {
                 lservAddressesToAdd.push_back(vservNode);
@@ -1675,7 +1674,7 @@ void ThreadOpenAddedConnections()
         {
             LOCK(cs_vNodes);
             BOOST_FOREACH(CNode* pnode, vNodes)
-                for (list<vector<CService> >::iterator it = lservAddressesToAdd.begin(); it != lservAddressesToAdd.end(); it++)
+                for (std::list<std::vector<CService> >::iterator it = lservAddressesToAdd.begin(); it != lservAddressesToAdd.end(); it++)
                     BOOST_FOREACH(const CService& addrNode, *(it))
                         if (pnode->addr == addrNode)
                         {
@@ -1684,7 +1683,7 @@ void ThreadOpenAddedConnections()
                             break;
                         }
         }
-        BOOST_FOREACH(vector<CService>& vserv, lservAddressesToAdd)
+        BOOST_FOREACH(std::vector<CService>& vserv, lservAddressesToAdd)
         {
             CSemaphoreGrant grant(*semOutbound);
             OpenNetworkConnection(CAddress(vserv[i % vserv.size()]), &grant);
@@ -1732,7 +1731,7 @@ void ThreadMessageHandler()
     SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL);
     while (true)
     {
-        vector<CNode*> vNodesCopy;
+        std::vector<CNode*> vNodesCopy;
         {
             LOCK(cs_vNodes);
             vNodesCopy = vNodes;
@@ -1792,7 +1791,7 @@ void ThreadMessageHandler()
 
 
 
-bool BindListenPort(const CService &addrBind, string& strError, bool fWhitelisted)
+bool BindListenPort(const CService &addrBind, std::string& strError, bool fWhitelisted)
 {
     strError = "";
     int nOne = 1;
@@ -1900,7 +1899,7 @@ void static Discover(boost::thread_group& threadGroup)
     char pszHostName[256] = "";
     if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR)
     {
-        vector<CNetAddr> vaddr;
+        std::vector<CNetAddr> vaddr;
         if (LookupHost(pszHostName, vaddr, 0, true))
         {
             BOOST_FOREACH (const CNetAddr &addr, vaddr)
@@ -2300,7 +2299,7 @@ bool CAddrDB::Read(CAddrMan& addr)
     // Don't try to resize to a negative number if file is small
     if (fileSize >= sizeof(uint256))
         dataSize = fileSize - sizeof(uint256);
-    vector<unsigned char> vchData;
+    std::vector<unsigned char> vchData;
     vchData.resize(dataSize);
     uint256 hashIn;
 
@@ -2580,7 +2579,7 @@ bool CBanDB::Read(banmap_t& banSet)
     // Don't try to resize to a negative number if file is small
     if (fileSize >= sizeof(uint256))
         dataSize = fileSize - sizeof(uint256);
-    vector<unsigned char> vchData;
+    std::vector<unsigned char> vchData;
     vchData.resize(dataSize);
     uint256 hashIn;