diff --git a/onionr/communicator/__init__.py b/onionr/communicator/__init__.py
index 51e33e9b..a4158ed4 100755
--- a/onionr/communicator/__init__.py
+++ b/onionr/communicator/__init__.py
@@ -214,7 +214,7 @@ class OnionrCommunicatorDaemon:
 
     def peerCleanup(self):
         '''This just calls onionrpeers.cleanupPeers, which removes dead or bad peers (offline too long, too slow)'''
-        onionrpeers.peer_cleanup()
+        onionrpeers.peer_cleanup(self.onionrInst)
         self.decrementThreadCount('peerCleanup')
 
     def getPeerProfileInstance(self, peer):
diff --git a/onionr/communicatorutils/announcenode.py b/onionr/communicatorutils/announcenode.py
index 9703bcea..167fb05d 100755
--- a/onionr/communicatorutils/announcenode.py
+++ b/onionr/communicatorutils/announcenode.py
@@ -50,7 +50,7 @@ def announce_node(daemon):
 
             combinedNodes = ourID + peer
             if ourID != 1:
-                existingRand = bytesconverter.bytes_to_str(keydb.addressinfo.get_address_info(peer, 'powValue'))
+                existingRand = bytesconverter.bytes_to_str(keydb.transportinfo.get_address_info(peer, 'powValue'))
                 # Reset existingRand if it no longer meets the minimum POW
                 if type(existingRand) is type(None) or not existingRand.endswith('0' * ov.announce_pow):
                     existingRand = ''
@@ -76,7 +76,7 @@ def announce_node(daemon):
                 if basicrequests.do_post_request(url, data) == 'Success':
                     logger.info('Successfully introduced node to ' + peer, terminal=True)
                     retData = True
-                    keydb.addressinfo.set_address_info(peer, 'introduced', 1)
-                    keydb.addressinfo.set_address_info(peer, 'powValue', data['random'])
+                    keydb.transportinfo.set_address_info(peer, 'introduced', 1)
+                    keydb.transportinfo.set_address_info(peer, 'powValue', data['random'])
     daemon.decrementThreadCount('announce_node')
     return retData
\ No newline at end of file
diff --git a/onionr/communicatorutils/connectnewpeers.py b/onionr/communicatorutils/connectnewpeers.py
index 348fa06d..fa7fe17c 100755
--- a/onionr/communicatorutils/connectnewpeers.py
+++ b/onionr/communicatorutils/connectnewpeers.py
@@ -64,7 +64,8 @@ def connect_new_peer_to_communicator(comm_inst, peer='', useBootstrap=False):
         if comm_inst.shutdown:
             return
         # Ping a peer,
-        if peeraction.peer_action(comm_inst, address, 'ping') == 'pong!':
+        ret = peeraction.peer_action(comm_inst, address, 'ping')
+        if ret == 'pong!':
             time.sleep(0.1)
             if address not in mainPeerList:
                 # Add a peer to our list if it isn't already since it successfully connected
@@ -85,5 +86,5 @@ def connect_new_peer_to_communicator(comm_inst, peer='', useBootstrap=False):
         else:
             # Mark a peer as tried if they failed to respond to ping
             tried.append(address)
-            logger.debug('Failed to connect to ' + address)
+            logger.debug('Failed to connect to %s: %s ' % (address, ret))
     return retData
\ No newline at end of file
diff --git a/onionr/communicatorutils/downloadblocks/__init__.py b/onionr/communicatorutils/downloadblocks/__init__.py
index 2caeb856..63a73270 100755
--- a/onionr/communicatorutils/downloadblocks/__init__.py
+++ b/onionr/communicatorutils/downloadblocks/__init__.py
@@ -20,13 +20,12 @@
 import communicator, onionrexceptions
 import logger, onionrpeers
 from onionrutils import blockmetadata, stringvalidators, validatemetadata
+from coredb import blockmetadb
 from . import shoulddownload
 from communicator import peeraction, onlinepeers
 import onionrcrypto, onionrstorage, onionrblacklist, storagecounter
-
 def download_blocks_from_communicator(comm_inst):
     assert isinstance(comm_inst, communicator.OnionrCommunicatorDaemon)
-    crypto = onionrcrypto.OnionrCrypto()
     blacklist = onionrblacklist.OnionrBlackList()
     storage_counter = storagecounter.StorageCounter()
     for blockHash in list(comm_inst.blockQueue):
@@ -54,7 +53,7 @@ def download_blocks_from_communicator(comm_inst):
         if len(blockPeers) == 0:
             peerUsed = onlinepeers.pick_online_peer(comm_inst)
         else:
-            blockPeers = crypto.randomShuffle(blockPeers)
+            blockPeers = onionrcrypto.cryptoutils.random_shuffle(blockPeers)
             peerUsed = blockPeers.pop(0)
 
         if not comm_inst.shutdown and peerUsed.strip() != '':
@@ -66,7 +65,7 @@ def download_blocks_from_communicator(comm_inst):
             except AttributeError:
                 pass
 
-            realHash = ccrypto.sha3Hash(content)
+            realHash = onionrcrypto.hashers.sha3_hash(content)
             try:
                 realHash = realHash.decode() # bytes on some versions for some reason
             except AttributeError:
@@ -76,7 +75,7 @@ def download_blocks_from_communicator(comm_inst):
                 metas = blockmetadata.get_block_metadata_from_data(content) # returns tuple(metadata, meta), meta is also in metadata
                 metadata = metas[0]
                 if validatemetadata.validate_metadata(metadata, metas[2]): # check if metadata is valid, and verify nonce
-                    if crypto.verifyPow(content): # check if POW is enough/correct
+                    if onionrcrypto.cryptoutils.verify_POW(content): # check if POW is enough/correct
                         logger.info('Attempting to save block %s...' % blockHash[:12])
                         try:
                             onionrstorage.setdata.set_data(content)
diff --git a/onionr/communicatorutils/downloadblocks/shoulddownload.py b/onionr/communicatorutils/downloadblocks/shoulddownload.py
index afff6c65..5d07c21c 100644
--- a/onionr/communicatorutils/downloadblocks/shoulddownload.py
+++ b/onionr/communicatorutils/downloadblocks/shoulddownload.py
@@ -18,12 +18,14 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 '''
 from coredb import blockmetadb
+import onionrblacklist
 def should_download(comm_inst, block_hash):
+    blacklist = onionrblacklist.OnionrBlackList()
     ret_data = True
     if block_hash in blockmetadb.get_block_list(): # Dont download block we have
         ret_data = False
     else:
-        if comm_inst.blacklist.inBlacklist(block_hash): # Dont download blacklisted block
+        if blacklist.inBlacklist(block_hash): # Dont download blacklisted block
             ret_data = False
     if ret_data is False:
         # Remove block from communicator queue if it shouldnt be downloaded
diff --git a/onionr/communicatorutils/lookupadders.py b/onionr/communicatorutils/lookupadders.py
index c4252b05..d9a7a345 100755
--- a/onionr/communicatorutils/lookupadders.py
+++ b/onionr/communicatorutils/lookupadders.py
@@ -21,6 +21,7 @@ import logger
 from onionrutils import stringvalidators
 from communicator import peeraction, onlinepeers
 from utils import gettransports
+transports = gettransports.get()
 def lookup_new_peer_transports_with_communicator(comm_inst):
     logger.info('Looking up new addresses...')
     tryAmount = 1
@@ -41,7 +42,7 @@ def lookup_new_peer_transports_with_communicator(comm_inst):
         invalid = []
         for x in newPeers:
             x = x.strip()
-            if not stringvalidators.validate_transport(x) or x in comm_inst.newPeers or x == gettransports.transports[0]:
+            if not stringvalidators.validate_transport(x) or x in comm_inst.newPeers or x in transports:
                 # avoid adding if its our address
                 invalid.append(x)
         for x in invalid:
diff --git a/onionr/communicatorutils/lookupblocks.py b/onionr/communicatorutils/lookupblocks.py
index 28d1a8d1..8e67e688 100755
--- a/onionr/communicatorutils/lookupblocks.py
+++ b/onionr/communicatorutils/lookupblocks.py
@@ -21,6 +21,8 @@ import logger, onionrproofs
 from onionrutils import stringvalidators, epoch
 from communicator import peeraction, onlinepeers
 from coredb import blockmetadb
+import onionrblacklist
+blacklist = onionrblacklist.OnionrBlackList()
 def lookup_blocks_from_communicator(comm_inst):
     logger.info('Looking up new blocks...')
     tryAmount = 2
@@ -72,7 +74,7 @@ def lookup_blocks_from_communicator(comm_inst):
                     if not i in existingBlocks:
                         # if block does not exist on disk and is not already in block queue
                         if i not in comm_inst.blockQueue:
-                            if onionrproofs.hashMeetsDifficulty(i) and not comm_inst.blacklist.inBlacklist(i):
+                            if onionrproofs.hashMeetsDifficulty(i) and not blacklist.inBlacklist(i):
                                 if len(comm_inst.blockQueue) <= 1000000:
                                     comm_inst.blockQueue[i] = [peer] # add blocks to download queue
                                     new_block_count += 1
diff --git a/onionr/communicatorutils/uploadblocks.py b/onionr/communicatorutils/uploadblocks.py
index e58c02cd..9e8d48d1 100755
--- a/onionr/communicatorutils/uploadblocks.py
+++ b/onionr/communicatorutils/uploadblocks.py
@@ -22,14 +22,14 @@ from communicatorutils import proxypicker
 import onionrblockapi as block
 from onionrutils import localcommand, stringvalidators, basicrequests
 from communicator import onlinepeers
-
+import onionrcrypto
 def upload_blocks_from_communicator(comm_inst):
     # when inserting a block, we try to upload it to a few peers to add some deniability
     TIMER_NAME = "upload_blocks_from_communicator"
 
     triedPeers = []
     finishedUploads = []
-    comm_inst.blocksToUpload = comm_inst.crypto.randomShuffle(comm_inst.blocksToUpload)
+    comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
     if len(comm_inst.blocksToUpload) != 0:
         for bl in comm_inst.blocksToUpload:
             if not stringvalidators.validate_hash(bl):
diff --git a/onionr/coredb/daemonqueue/__init__.py b/onionr/coredb/daemonqueue/__init__.py
index f7ce458f..c0480c01 100644
--- a/onionr/coredb/daemonqueue/__init__.py
+++ b/onionr/coredb/daemonqueue/__init__.py
@@ -75,7 +75,7 @@ def daemon_queue_get_response(responseID=''):
     '''
         Get a response sent by communicator to the API, by requesting to the API
     '''
-    if len(responseID) > 0: raise ValueError('ResponseID should not be empty')
+    if len(responseID) == 0: raise ValueError('ResponseID should not be empty')
     resp = localcommand.local_command(dbfiles.daemon_queue_db, 'queueResponse/' + responseID)
     return resp
 
diff --git a/onionr/coredb/keydb/listkeys.py b/onionr/coredb/keydb/listkeys.py
index fcf9c793..65da2c5d 100644
--- a/onionr/coredb/keydb/listkeys.py
+++ b/onionr/coredb/keydb/listkeys.py
@@ -21,7 +21,7 @@ import sqlite3
 import logger
 from onionrutils import epoch
 from .. import dbfiles
-from . import userinfo
+from . import userinfo, transportinfo
 def list_peers(randomOrder=True, getPow=False, trust=0):
     '''
         Return a list of public keys (misleading function name)
@@ -78,7 +78,7 @@ def list_adders(randomOrder=True, i2p=True, recent=0):
     testList = list(addressList) # create new list to iterate
     for address in testList:
         try:
-            if recent > 0 and (epoch.get_epoch() - userinfo.get_user_info(address, 'lastConnect')) > recent:
+            if recent > 0 and (epoch.get_epoch() - transportinfo.get_address_info(address, 'lastConnect')) > recent:
                 raise TypeError # If there is no last-connected date or it was too long ago, don't add peer to list if recent is not 0
         except TypeError:
             addressList.remove(address)
diff --git a/onionr/httpapi/security/public.py b/onionr/httpapi/security/public.py
index 5e580792..6a883854 100644
--- a/onionr/httpapi/security/public.py
+++ b/onionr/httpapi/security/public.py
@@ -20,11 +20,12 @@
 from flask import Blueprint, request, abort
 from onionrservices import httpheaders
 from onionrutils import epoch
-
+from utils import gettransports
 class PublicAPISecurity:
     def __init__(self, public_api):
         public_api_security_bp = Blueprint('publicapisecurity', __name__)
         self.public_api_security_bp = public_api_security_bp
+        transports = gettransports.get()
 
         @public_api_security_bp.before_app_request
         def validate_request():
@@ -32,10 +33,7 @@ class PublicAPISecurity:
             # If high security level, deny requests to public (HS should be disabled anyway for Tor, but might not be for I2P)
             if public_api.config.get('general.security_level', default=1) > 0:
                 abort(403)
-            if type(public_api.torAdder) is None and type(public_api.i2pAdder) is None:
-                # abort if our hs addresses are not known
-                abort(403)
-            if request.host not in (public_api.i2pAdder, public_api.torAdder):
+            if request.host not in transports:
                 # Disallow connection if wrong HTTP hostname, in order to prevent DNS rebinding attacks
                 abort(403)
             public_api.hitCount += 1 # raise hit count for valid requests
diff --git a/onionr/onionrcrypto/cryptoutils/__init__.py b/onionr/onionrcrypto/cryptoutils/__init__.py
index 4e1c5c30..87bcd2d3 100644
--- a/onionr/onionrcrypto/cryptoutils/__init__.py
+++ b/onionr/onionrcrypto/cryptoutils/__init__.py
@@ -1,5 +1,6 @@
-from . import safecompare, replayvalidation, randomshuffle
+from . import safecompare, replayvalidation, randomshuffle, verifypow
 
 replay_validator = replayvalidation.replay_timestamp_validation
 random_shuffle = randomshuffle.random_shuffle
-safe_compare = safecompare.safe_compare
\ No newline at end of file
+safe_compare = safecompare.safe_compare
+verify_POW = verifypow.verify_POW
\ No newline at end of file
diff --git a/onionr/onionrcrypto/cryptoutils/verifypow.py b/onionr/onionrcrypto/cryptoutils/verifypow.py
new file mode 100644
index 00000000..cce69713
--- /dev/null
+++ b/onionr/onionrcrypto/cryptoutils/verifypow.py
@@ -0,0 +1,36 @@
+from .. import hashers
+import config, onionrproofs, logger
+def verify_POW(blockContent):
+    '''
+        Verifies the proof of work associated with a block
+    '''
+    retData = False
+
+    dataLen = len(blockContent)
+
+    try:
+        blockContent = blockContent.encode()
+    except AttributeError:
+        pass
+
+    blockHash = hashers.sha3_hash(blockContent)
+    try:
+        blockHash = blockHash.decode() # bytes on some versions for some reason
+    except AttributeError:
+        pass
+    
+    difficulty = onionrproofs.getDifficultyForNewBlock(blockContent, ourBlock=False)
+    
+    if difficulty < int(config.get('general.minimum_block_pow')):
+        difficulty = int(config.get('general.minimum_block_pow'))
+    mainHash = '0000000000000000000000000000000000000000000000000000000000000000'#nacl.hash.blake2b(nacl.utils.random()).decode()
+    puzzle = mainHash[:difficulty]
+
+    if blockHash[:difficulty] == puzzle:
+        # logger.debug('Validated block pow')
+        retData = True
+    else:
+        logger.debug("Invalid token, bad proof")
+
+    return retData
+
diff --git a/onionr/onionrpeers/peercleanup.py b/onionr/onionrpeers/peercleanup.py
index ca3ba002..ed406edf 100644
--- a/onionr/onionrpeers/peercleanup.py
+++ b/onionr/onionrpeers/peercleanup.py
@@ -21,7 +21,7 @@ import sqlite3
 import logger
 from onionrutils import epoch
 from . import scoresortedpeerlist, peerprofiles
-import onionrblacklist
+import onionrblacklist, config
 from coredb import keydb
 def peer_cleanup(onionr_inst):
     '''Removes peers who have been offline too long or score too low'''
@@ -40,7 +40,7 @@ def peer_cleanup(onionr_inst):
             if peerprofiles.PeerProfiles(address).score < min_score:
                 keydb.removekeys.remove_address(address)
                 try:
-                    if (int(epoch.get_epoch()) - int(keydb.transportinfo.get_address_info(address, 'dateSeen'))) >= 600:
+                    if (int(epoch.get_epoch()) - int(keydb.transportinfo.get_address_info(address, 'lastConnect'))) >= 600:
                         expireTime = 600
                     else:
                         expireTime = 86400
diff --git a/onionr/onionrproofs.py b/onionr/onionrproofs.py
index 1388dcd0..3b31b7c4 100755
--- a/onionr/onionrproofs.py
+++ b/onionr/onionrproofs.py
@@ -94,6 +94,7 @@ class DataPOW:
         self.data = data
         self.threadCount = threadCount
         self.rounds = 0
+        self.hashing = False
 
         if forceDifficulty == 0:
             dataLen = sys.getsizeof(data)
@@ -189,6 +190,7 @@ class POW:
         self.data = data
         self.metadata = metadata
         self.threadCount = threadCount
+        self.hashing = False
 
         json_metadata = json.dumps(metadata).encode()
 
diff --git a/onionr/onionrutils/validatemetadata.py b/onionr/onionrutils/validatemetadata.py
index 6515753a..f1c58f81 100644
--- a/onionr/onionrutils/validatemetadata.py
+++ b/onionr/onionrutils/validatemetadata.py
@@ -25,7 +25,6 @@ import config, filepaths, onionrcrypto
 def validate_metadata(metadata, blockData):
     '''Validate metadata meets onionr spec (does not validate proof value computation), take in either dictionary or json string'''
     # TODO, make this check sane sizes
-    crypto = onionrcrypto.OnionrCrypto()
     requirements = onionrvalues.OnionrValues()
     retData = False
     maxClockDifference = 120
@@ -81,7 +80,7 @@ def validate_metadata(metadata, blockData):
         else:
             # if metadata loop gets no errors, it does not break, therefore metadata is valid
             # make sure we do not have another block with the same data content (prevent data duplication and replay attacks)
-            nonce = bytesconverter.bytes_to_str(crypto.sha3Hash(blockData))
+            nonce = bytesconverter.bytes_to_str(onionrcrypto.hashers.sha3_hash(blockData))
             try:
                 with open(filepaths.data_nonce_file, 'r') as nonceFile:
                     if nonce in nonceFile.read():
diff --git a/onionr/utils/__init__.py b/onionr/utils/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/onionr/utils/gettransports.py b/onionr/utils/gettransports.py
index b241c44a..f0ca2493 100644
--- a/onionr/utils/gettransports.py
+++ b/onionr/utils/gettransports.py
@@ -1,14 +1,18 @@
-import filepaths
+import filepaths, time
 
 files = [filepaths.tor_hs_address_file]
 
 def get():
         transports = []
-        for file in files:
-                try:
-                        with open(file, 'r') as transport_file:
-                                transports.append(transport_file.read())
-                except FileNotFoundError:
-                        transports.append('')
-                        pass
+        while len(transports) == 0:
+                for file in files:
+                        try:
+                                with open(file, 'r') as transport_file:
+                                        transports.append(transport_file.read().strip())
+                        except FileNotFoundError:
+                                transports.append('')
+                        else:
+                                break
+                else:
+                        time.sleep(1)
         return list(transports)
\ No newline at end of file