diff --git a/tipbot.py b/tipbot.py
index de966da..f55946c 100644
--- a/tipbot.py
+++ b/tipbot.py
@@ -108,6 +108,9 @@ for modulename in modulenames:
 
 def GetBalance(link,cmd):
   nick=link.user.nick
+  if link.group and nick.startswith('blackbab'):
+    link.send_private("Stop spamming the public channel")
+    return
   try:
     balance,confirming = RetrieveBalance(link)
     sbalance = AmountToString(balance)
@@ -194,7 +197,8 @@ def LinkingAccounts(link,cmd):
   link.send_private('any account interchangeably. If the accounts are on different networks')
   link.send_private('(eg, IRC and Reddit), the user names need to be prefixed with the network\'s')
   link.send_private('name (freenode: for Freenode IRC, reddit: for Reddit), like this:')
-  like.send_private(' !link_account reddit:myredditname')
+  link.send_private(' !link_account reddit:myredditname    (do that on Freenode)')
+  link.send_private(' !link_account freenode:myircnick     (do that on Reddit)')
   link.send_private('Linking accounts is irreversible, so make sure you only link to accounts')
   link.send_private('under your control')
 
@@ -251,7 +255,7 @@ def Help(link,cmd):
 
 def Info(link,cmd):
   link.send_private("Info for %s:" % config.tipbot_name)
-  link.send_private("Copyright 2014,2015 moneromooo - http://duckpool.mooo.com/tipbot/")
+  link.send_private("Copyright 2014,2015 moneromooo - https://github.com/tippero/tippero")
   link.send_private("Type !help, or !commands for a list of commands")
   link.send_private("NO WARRANTY, YOU MAY LOSE YOUR COINS")
   link.send_private("By sending your %s to %s, you are giving up their control" % (coinspecs.name, config.tipbot_name))
diff --git a/tipbot/coinspecs.py b/tipbot/coinspecs.py
index a6c0b76..e27d01b 100644
--- a/tipbot/coinspecs.py
+++ b/tipbot/coinspecs.py
@@ -16,7 +16,7 @@ coinspecs = {
     "atomic_units": 1e12,
     "denominations": [[1000000, 1, "piconero"], [1000000000, 1e6, "micronero"], [1000000000000, 1e9, "millinero"]],
     "address_length": [[95, 95], [106, 106]], # min/max size of addresses
-    "address_prefix": ['4', '9'], # allowed prefixes of addresses
+    "address_prefix": ['4', '8', '9', 'A'], # allowed prefixes of addresses
     "min_withdrawal_fee": 10000000000,
     "web_wallet_url": "https://mymonero.com/", # None is there's none
   },
diff --git a/tipbot/command_manager.py b/tipbot/command_manager.py
index 0bf555b..41381c3 100644
--- a/tipbot/command_manager.py
+++ b/tipbot/command_manager.py
@@ -9,6 +9,7 @@
 # any later version.
 #
 
+import time
 import tipbot.config as config
 from tipbot.utils import *
 
@@ -23,7 +24,7 @@ def SendToProxy(link,msg):
 def RunRegisteredCommand(link,ifyes,yesdata,ifno,nodata):
   if link.identity() not in calltable:
     calltable[link.identity()] = []
-  calltable[link.identity()].append([link,ifyes,yesdata,ifno,nodata])
+  calltable[link.identity()].append([link,ifyes,yesdata,ifno,nodata,time.time()+20])
   if link.network.is_identified(link):
     RunNextCommand(link,True)
   else:
@@ -58,6 +59,17 @@ def RunNextCommand(link,registered):
   finally:
     Unlock()
 
+def PruneOldWaitingCommands():
+  Lock()
+  now=time.time()
+  for identity in calltable.keys():
+    while len(calltable[identity])>0 and calltable[identity][0][5]<now:
+      link=calltable[identity][0][0]
+      log_info('deleting old command: %s, %s' % (str(calltable[identity][0][1]), str(calltable[identity][0][3])))
+      link.send("Nickserv didn't reply, gonna have to deny access, mate")
+      del calltable[identity][0]
+  Unlock()
+
 def Commands(link,cmd):
   if IsAdmin(link):
     all = True
@@ -169,7 +181,7 @@ def OnCommand(link,cmd,check_admin,check_registered):
     if 'admin' in c and c['admin']:
       check_admin(link,c['function'],cmd,SendToProxy,"You must be admin")
     elif 'registered' in c and c['registered']:
-      check_registered(link,c['function'],cmd,SendToProxy,"You must be registered with Freenode")
+      check_registered(link,c['function'],cmd,SendToProxy,"You must be registered with Freenode, or known for a minute")
     else:
       Lock()
       try:
@@ -213,6 +225,7 @@ def RunIdleFunctions(param=None):
         log_error("Exception running idle function %s from module %s: %s" % (str(f),module,str(e)))
       finally:
         Unlock()
+  PruneOldWaitingCommands()
 
 def RunModuleHelpFunction(module,link):
   if module in modules:
diff --git a/tipbot/config.py.example b/tipbot/config.py.example
index 0d8cf2e..8cab8b6 100644
--- a/tipbot/config.py.example
+++ b/tipbot/config.py.example
@@ -38,7 +38,9 @@ no_rain_to_nicks = []
 # commands used by other bots, to avoid "unknown command" complaints
 silent_invalid_commands = {
   'freenode': [
-    'price','worth','net','pools','calc','convert','val']
+    'price','worth','net','pools','calc','convert','val',
+    'consume', 'getBalance', 'marketbuy', 'marketsell', 'owns',
+    'buy', 'sell', 'quote']
 }
 
 network_config = {
@@ -52,7 +54,7 @@ network_config = {
     'sasl_name': 'monero-tipbot',
     'welcome_line': 'Welcome to the freenode Internet Relay Chat Network',
     'timeout_seconds': 600,
-    'channels': ['#txtptest000'],
+    'channels': ['#txtptest000', '##ck-d20'],
   },
   'reddit': {
     'subreddits': ['test'],
diff --git a/tipbot/modules/freenode.py b/tipbot/modules/freenode.py
index c6cfede..0e11562 100644
--- a/tipbot/modules/freenode.py
+++ b/tipbot/modules/freenode.py
@@ -28,6 +28,12 @@ class FreenodeNetwork(IRCNetwork):
 
   def identify(self,link):
     nick = link.user.nick
+    t = self.is_known(nick)
+    if t < 60:
+      log_info('%s is not known, or only time for %d seconds' % (nick, t))
+      if self.on_identified:
+        self.on_identified(link,False)
+      return
     log_info('Asking nickserv whether %s is identified' % nick)
     self.send_to('nickserv', "ACC " + nick)
 
diff --git a/tipbot/modules/irc.py b/tipbot/modules/irc.py
index 7ce4fe1..99c17c7 100644
--- a/tipbot/modules/irc.py
+++ b/tipbot/modules/irc.py
@@ -45,6 +45,7 @@ class IRCNetwork(Network):
     self.current_send_delay = irc_min_send_delay
     self.quitting = False
     self.buffered_data = ""
+    self.known = {}
 
   def connect(self):
     try:
@@ -166,6 +167,19 @@ class IRCNetwork(Network):
       return True
     return False
 
+  def evict_known(self, nick):
+    del self.known[nick]
+    self.registered_users.discard(Link(self,User(self,nick),None).identity())
+    log_info("now unknown: " + Link(self,User(self,nick),None).identity())
+
+  def add_known(self, nick):
+    self.known[nick] = time.time()
+    self.registered_users.discard(Link(self,User(self,nick),None).identity())
+    log_info("now known: " + Link(self,User(self,nick),None).identity())
+
+  def is_known(self, nick):
+    return time.time() - self.known[nick] if nick in self.known else 0
+
   def update(self):
     try:
       data=self._getline()
@@ -306,6 +320,7 @@ class IRCNetwork(Network):
               if who_chan_user[0] in ["@","+"]:
                 who_chan_user = who_chan_user[1:]
               self.userstable[who_chan][who_chan_user] = None
+            self.add_known(who_chan_user)
           log_log("New list of users in %s: %s" % (who_chan, str(self.userstable[who_chan].keys())))
         except Exception,e:
           log_error('Failed to parse "353" line: %s: %s' % (data, str(e)))
@@ -331,6 +346,7 @@ class IRCNetwork(Network):
 
       elif action == 'JOIN':
         nick = GetNick(who)
+        self.add_known(nick)
         log_info('%s joined the channel' % nick)
         if not chan in self.userstable:
           self.userstable[chan] = dict()
@@ -344,6 +360,7 @@ class IRCNetwork(Network):
 
       elif action == 'PART':
         nick = GetNick(who)
+        self.evict_known(nick)
         log_info('%s left the channel' % nick)
         if not nick in self.userstable[chan]:
           log_warn('%s left, but was not in %s' % (nick, chan))
@@ -355,6 +372,7 @@ class IRCNetwork(Network):
 
       elif action == 'QUIT':
         nick = GetNick(who)
+        self.evict_known(nick)
         log_info('%s quit' % nick)
         removed_list = ""
         for chan in self.userstable:
@@ -383,6 +401,8 @@ class IRCNetwork(Network):
         nick = GetNick(who)
         new_nick = cparts[len(cparts)-1].lower()
         log_info('%s renamed to %s' % (nick, new_nick))
+        self.evict_known(nick)
+        self.add_known(new_nick)
         for c in self.userstable:
           log_log('checking %s' % c)
           if nick in self.userstable[c]:
diff --git a/tipbot/modules/spammer.py b/tipbot/modules/spammer.py
index 237f364..7a8122d 100644
--- a/tipbot/modules/spammer.py
+++ b/tipbot/modules/spammer.py
@@ -71,7 +71,7 @@ def OnMessage(event,*args,**kwargs):
   link=kwargs['link']
   if IsAdmin(link):
     return
-  if link.nick in config.allowed:
+  if config.spammer_allowed and link.user.nick in config.spammer_allowed:
     return
 
   line=re.sub(r'\x03[0-9]?[0-9]?','',line)