diff --git a/onionr/communicator/__init__.py b/onionr/communicator/__init__.py
index ff4d1853..5dfaf053 100755
--- a/onionr/communicator/__init__.py
+++ b/onionr/communicator/__init__.py
@@ -43,7 +43,7 @@ class OnionrCommunicatorDaemon:
         self.config = config
         self.storage_counter = storagecounter.StorageCounter()
         self.isOnline = True # Assume we're connected to the internet
-        self.shared_state = shared_state
+        self.shared_state = shared_state # TooManyObjects module
 
         # list of timer instances
         self.timers = []
@@ -53,6 +53,8 @@ class OnionrCommunicatorDaemon:
 
         # Upload information, list of blocks to upload
         self.blocksToUpload = []
+        self.upload_session_manager = self.shared_state.get(uploadblocks.sessionmanager.BlockUploadSessionManager)
+        self.shared_state.share_object()
 
         # loop time.sleep delay in seconds
         self.delay = 1
diff --git a/onionr/communicator/peeraction.py b/onionr/communicator/peeraction.py
index f3b73cfe..ca715273 100644
--- a/onionr/communicator/peeraction.py
+++ b/onionr/communicator/peeraction.py
@@ -44,7 +44,7 @@ def peer_action(comm_inst, peer, action, returnHeaders=False, max_resp_size=5242
             onlinepeers.remove_online_peer(comm_inst, peer)
             keydb.transportinfo.set_address_info(peer, 'lastConnectAttempt', epoch.get_epoch())
             if action != 'ping' and not comm_inst.shutdown:
-                logger.warn('Lost connection to ' + peer, terminal=True)
+                logger.warn(f'Lost connection to {peer}', terminal=True)
                 onlinepeers.get_online_peers(comm_inst) # Will only add a new peer to pool if needed
         except ValueError:
             pass
diff --git a/onionr/communicatorutils/downloadblocks/__init__.py b/onionr/communicatorutils/downloadblocks/__init__.py
index 7abf4c9e..cf6b5998 100755
--- a/onionr/communicatorutils/downloadblocks/__init__.py
+++ b/onionr/communicatorutils/downloadblocks/__init__.py
@@ -30,7 +30,8 @@ def download_blocks_from_communicator(comm_inst):
     blacklist = onionrblacklist.OnionrBlackList()
     storage_counter = storagecounter.StorageCounter()
     LOG_SKIP_COUNT = 50 # for how many iterations we skip logging the counter
-    count = 0
+    count: int = 0
+    metadata_validation_result: bool = False
     # Iterate the block queue in the communicator
     for blockHash in list(comm_inst.blockQueue):
         count += 1
@@ -80,7 +81,11 @@ def download_blocks_from_communicator(comm_inst):
                 #content = content.decode() # decode here because sha3Hash needs bytes above
                 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
+                try:
+                    metadata_validation_result = validatemetadata.validate_metadata(metadata, metas[2])
+                except onionrexceptions.DataExists:
+                    metadata_validation_result = False
+                if metadata_validation_result: # check if metadata is valid, and verify nonce
                     if onionrcrypto.cryptoutils.verify_POW(content): # check if POW is enough/correct
                         logger.info('Attempting to save block %s...' % blockHash[:12])
                         try:
diff --git a/onionr/communicatorutils/uploadblocks/__init__.py b/onionr/communicatorutils/uploadblocks/__init__.py
index 19b43c9b..fd776573 100755
--- a/onionr/communicatorutils/uploadblocks/__init__.py
+++ b/onionr/communicatorutils/uploadblocks/__init__.py
@@ -3,6 +3,7 @@
 
     Upload blocks in the upload queue to peers from the communicator
 '''
+from __future__ import annotations
 '''
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,6 +18,9 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 '''
+from typing import Union, TYPE_CHECKING
+import threading
+
 import logger
 from communicatorutils import proxypicker
 import onionrexceptions
@@ -24,13 +28,15 @@ import onionrblockapi as block
 from onionrutils import localcommand, stringvalidators, basicrequests
 from communicator import onlinepeers
 import onionrcrypto
+from . import sessionmanager
 
-from . import session
-
-def upload_blocks_from_communicator(comm_inst):
-    # when inserting a block, we try to upload it to a few peers to add some deniability
+def upload_blocks_from_communicator(comm_inst: OnionrCommunicatorDaemon):
+    """Accepts a communicator instance and uploads blocks from its upload queue"""
+    """when inserting a block, we try to upload
+     it to a few peers to add some deniability & increase functionality"""
     TIMER_NAME = "upload_blocks_from_communicator"
 
+    session_manager: sessionmanager.BlockUploadSessionManager = comm_inst.shared_state.get(sessionmanager.BlockUploadSessionManager)
     triedPeers = []
     finishedUploads = []
     comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
@@ -40,29 +46,44 @@ def upload_blocks_from_communicator(comm_inst):
                 logger.warn('Requested to upload invalid block', terminal=True)
                 comm_inst.decrementThreadCount(TIMER_NAME)
                 return
+            session = session_manager.add_session(bl)
             for i in range(min(len(comm_inst.onlinePeers), 6)):
                 peer = onlinepeers.pick_online_peer(comm_inst)
-                if peer in triedPeers:
-                    continue
-                triedPeers.append(peer)
-                url = 'http://%s/upload' % (peer,)
                 try:
-                    #data = {'block': block.Block(bl).getRaw()}
+                    session.peer_exists[peer]
+                    continue
+                except KeyError:
+                    pass
+                try:
+                    if session.peer_fails[peer] > 3: continue
+                except KeyError:
+                    pass
+                if peer in triedPeers: continue
+                triedPeers.append(peer)
+                url = f'http://{peer}/upload'
+                try:
                     data = block.Block(bl).getRaw()
                 except onionrexceptions.NoDataAvailable:
                     finishedUploads.append(bl)
                     break
                 proxyType = proxypicker.pick_proxy(peer)
-                logger.info("Uploading block %s to %s" % (bl[:8], peer), terminal=True)
+                logger.info(f"Uploading block {bl[:8]} to {peer}", terminal=True)
                 resp = basicrequests.do_post_request(url, data=data, proxyType=proxyType, content_type='application/octet-stream')
                 if not resp == False:
                     if resp == 'success':
-                        localcommand.local_command('waitforshare/' + bl, post=True)
-                        finishedUploads.append(bl)
+                        session.success()
+                        session.peer_exists[peer] = True
                     elif resp == 'exists':
-                        finishedUploads.append(bl)
+                        session.success()
+                        session.peer_exists[peer] = True
                     else:
-                        logger.warn('Failed to upload %s, reason: %s' % (bl[:8], resp[:150]), terminal=True)
+                        session.fail()
+                        session.fail_peer(peer)
+                        comm_inst.getPeerProfileInstance(peer).addScore(-5)
+                        logger.warn(f'Failed to upload {bl[:8]}, reason: {resp[:15]}', terminal=True)
+                else:
+                    session.fail()
+        session_manager.clean_session()
     for x in finishedUploads:
         try:
             comm_inst.blocksToUpload.remove(x)
diff --git a/onionr/communicatorutils/uploadblocks/session.py b/onionr/communicatorutils/uploadblocks/session.py
index 24415975..6c0b3472 100644
--- a/onionr/communicatorutils/uploadblocks/session.py
+++ b/onionr/communicatorutils/uploadblocks/session.py
@@ -3,6 +3,7 @@
 
     Virtual upload "sessions" for blocks
 """
+from __future__ import annotations
 """
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -33,10 +34,12 @@ class UploadSession:
         block_hash = reconstructhash.reconstruct_hash(block_hash)
         if not stringvalidators.validate_hash(block_hash): raise ValueError
 
+        self.start_time = epoch.get_epoch()
         self.block_hash = reconstructhash.deconstruct_hash(block_hash)
         self.total_fail_count: int = 0
         self.total_success_count: int = 0
         self.peer_fails = {}
+        self.peer_exists = {}
     
     def fail_peer(self, peer):
         try:
diff --git a/onionr/communicatorutils/uploadblocks/sessionmanager.py b/onionr/communicatorutils/uploadblocks/sessionmanager.py
index e69de29b..36fa5f49 100644
--- a/onionr/communicatorutils/uploadblocks/sessionmanager.py
+++ b/onionr/communicatorutils/uploadblocks/sessionmanager.py
@@ -0,0 +1,85 @@
+"""
+    Onionr - Private P2P Communication
+
+    Manager for upload 'sessions'
+"""
+from __future__ import annotations
+"""
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+from typing import Iterable, Union
+
+from onionrutils import bytesconverter
+from onionrutils import localcommand
+from etc import onionrvalues
+from etc import waitforsetvar
+from utils import reconstructhash
+
+from . import session
+
+class BlockUploadSessionManager:
+    """Holds block UploadSession instances. Optionally accepts iterable of sessions to added on init
+
+    Arguments: old_session: iterable of old UploadSession objects"""
+    def __init__(self, old_sessions:Iterable=None):
+        #self._too_many: TooMany = None
+        if old_sessions is None:
+            self.sessions = []
+        else:
+            self.sessions = old_session
+    
+    def add_session(self, session_or_block: Union(str, bytes, session.UploadSession))->session.UploadSession:
+        """Create (or add existing) block upload session from a str/bytes block hex hash, existing UploadSession"""
+        if isinstance(session_or_block, session.UploadSession): 
+            if not session_or_block in self.sessions:
+                self.sessions.append(session_or_block)
+            return session_or_block
+        try:
+            return self.get_session(session_or_block)
+        except KeyError:
+            pass
+        # convert bytes hash to str
+        if isinstance(session_or_block, bytes): session_or_block = bytesconverter.bytes_to_str(session_or_block)
+        # intentionally not elif
+        if isinstance(session_or_block, str):
+            new_session = session.UploadSession(session_or_block)
+            self.sessions.append(new_session)
+            return new_session
+
+    def get_session(self, block_hash: Union(str, bytes))->session.UploadSession:
+        block_hash = reconstructhash.deconstruct_hash(bytesconverter.bytes_to_str(block_hash))
+        for session in self.sessions:
+            if session.block_hash == block_hash: return session
+        raise KeyError
+
+    def clean_session(self, specific_session: Union[str, UploadSession]=None):
+        comm_inst: OnionrCommunicatorDaemon = self._too_many.get_by_string("OnionrCommunicatorDaemon")
+        sessions_to_delete = []
+        if comm_inst.getUptime() < 120: return
+        for session in self.sessions:
+            if (session.total_success_count / len(comm_inst.onlinePeers)) >= onionrvalues.MIN_BLOCK_UPLOAD_PEER_PERCENT:
+                sessions_to_delete.append(session)
+        for session in sessions_to_delete:
+            self.sessions.remove(session)
+            # TODO cleanup to one round of search
+            # Remove the blocks from the sessions, upload list, and waitforshare list
+            try:
+                comm_inst.blocksToUpload.remove(reconstructhash.reconstruct_hash(session.block_hash))
+            except ValueError:
+                pass
+            try:
+                comm_inst.blocksToUpload.remove(session.block_hash)
+            except ValueError:
+                pass
+            localcommand.local_command('waitforshare/{session.block_hash}')
\ No newline at end of file
diff --git a/onionr/etc/onionrvalues.py b/onionr/etc/onionrvalues.py
index 66075c0a..642fe4c7 100755
--- a/onionr/etc/onionrvalues.py
+++ b/onionr/etc/onionrvalues.py
@@ -31,6 +31,9 @@ MAX_BLOCK_CLOCK_SKEW = 120
 MAIN_PUBLIC_KEY_SIZE = 32
 ORIG_RUN_DIR_ENV_VAR = 'ORIG_ONIONR_RUN_DIR'
 
+# Block creation anonymization requirements
+MIN_BLOCK_UPLOAD_PEER_PERCENT = 0.1
+
 # Begin OnionrValues migrated values
 ANNOUNCE_POW = 5
 DEFAULT_EXPIRE = 2592000
diff --git a/onionr/etc/waitforsetvar.py b/onionr/etc/waitforsetvar.py
index f2c023ac..60921499 100644
--- a/onionr/etc/waitforsetvar.py
+++ b/onionr/etc/waitforsetvar.py
@@ -1,4 +1,8 @@
-def wait_for_set_var(obj, attribute):
-    while True:
-        if hasattr(obj, attribute):
-            break
\ No newline at end of file
+from __future__ import annotations
+from typing import Union, Generic
+from gevent import sleep
+def wait_for_set_var(obj, attribute, sleep_seconds: Union[int, float]=0):
+    """Wait for an object to get an attribute with an optional sleep time"""
+    while not hasattr(obj, attribute):
+        if hasattr(obj, attribute): break
+        if sleep_seconds > 0: sleep(sleep_seconds)
\ No newline at end of file
diff --git a/onionr/httpapi/miscclientapi/endpoints.py b/onionr/httpapi/miscclientapi/endpoints.py
index 12082a1d..d4b903e6 100644
--- a/onionr/httpapi/miscclientapi/endpoints.py
+++ b/onionr/httpapi/miscclientapi/endpoints.py
@@ -26,6 +26,7 @@ from netcontroller import NetController
 from serializeddata import SerializedData
 from onionrutils import mnemonickeys
 from onionrutils import bytesconverter
+from utils import reconstructhash
 
 pub_key = onionrcrypto.pub_key.replace('=', '')
 
@@ -78,6 +79,7 @@ class PrivateEndpoints:
         def waitforshare(name):
             '''Used to prevent the **public** api from sharing blocks we just created'''
             if not name.isalnum(): raise ValueError('block hash needs to be alpha numeric')
+            name = reconstructhash.reconstruct_hash(name)
             if name in client_api.publicAPI.hideBlocks:
                 client_api.publicAPI.hideBlocks.remove(name)
                 return Response("removed")
diff --git a/onionr/onionrcommands/version.py b/onionr/onionrcommands/version.py
index 8162f321..f2141352 100644
--- a/onionr/onionrcommands/version.py
+++ b/onionr/onionrcommands/version.py
@@ -11,5 +11,11 @@ def version(verbosity = 5, function = logger.info):
     if verbosity >= 1:
         function(onionrvalues.ONIONR_TAGLINE, terminal=True)
     if verbosity >= 2:
-        function('Running on %s %s' % (platform.platform(), platform.release()), terminal=True)
-        function('Onionr data dir: %s' % identifyhome.identify_home(), terminal=True)
\ No newline at end of file
+        pf = platform.platform()
+        release = platform.release()
+        python_imp = platform.python_implementation()
+        python_version = platform.python_version()
+        function(f'{python_imp} {python_version} on {pf} {release}', terminal=True)
+        function('Onionr data dir: %s' % identifyhome.identify_home(), terminal=True)
+
+version.onionr_help = 'Shows environment details including Onionr version & data directory, OS and Python version'
diff --git a/onionr/onionrutils/validatemetadata.py b/onionr/onionrutils/validatemetadata.py
index ddb74455..405bf799 100644
--- a/onionr/onionrutils/validatemetadata.py
+++ b/onionr/onionrutils/validatemetadata.py
@@ -93,13 +93,14 @@ def validate_metadata(metadata, block_data) -> bool:
             try:
                 with open(filepaths.data_nonce_file, 'r') as nonceFile:
                     if nonce in nonceFile.read():
-                        ret_data = False # we've seen that nonce before, so we can't pass metadata
+                        # we've seen that nonce before, so we can't pass metadata
                         raise onionrexceptions.DataExists
             except FileNotFoundError:
                 ret_data = True
             except onionrexceptions.DataExists:
-                # do not set ret_data to True, because nonce has been seen before
-                pass
+                # do not set ret_data to True, because data has been seen before
+                logger.warn(f'{nonce} seen before')
+                raise onionrexceptions.DataExists
             else:
                 ret_data = True
     else:
diff --git a/onionr/static-data/www/shared/configeditor.js b/onionr/static-data/www/shared/configeditor.js
index 172b3d5a..7c9068ce 100755
--- a/onionr/static-data/www/shared/configeditor.js
+++ b/onionr/static-data/www/shared/configeditor.js
@@ -49,6 +49,8 @@ saveBtn.onclick = function(){
         }})
     .then((resp) => resp.text()) // Transform the data into text
     .then(function(data) {
-        alert('Config saved')
+        PNotify.success({
+            text: 'Config saved'
+        })
       })
 }
\ No newline at end of file
diff --git a/onionr/static-data/www/shared/sites.js b/onionr/static-data/www/shared/sites.js
index ab5c01a8..b318fffc 100755
--- a/onionr/static-data/www/shared/sites.js
+++ b/onionr/static-data/www/shared/sites.js
@@ -13,6 +13,8 @@ document.getElementById('openSite').onclick = function(){
         window.location.href = '/site/' + hash
     }
     else{
-        alert('Invalid site hash')
+        PNotify.notice({
+            text: 'Invalid site hash'
+        })
     }
 }
\ No newline at end of file
diff --git a/tests/test_waitforsetvars.py b/tests/test_waitforsetvars.py
new file mode 100644
index 00000000..76bbb724
--- /dev/null
+++ b/tests/test_waitforsetvars.py
@@ -0,0 +1,45 @@
+import sys, os
+sys.path.append(".")
+sys.path.append("onionr/")
+import unittest, uuid, time, threading
+
+TEST_DIR = 'testdata/%s-%s' % (uuid.uuid4(), os.path.basename(__file__)) + '/'
+os.environ["ONIONR_HOME"] = TEST_DIR
+from etc import waitforsetvar
+
+def set_test_var_delay(obj, delay=0):
+    if delay > 0: time.sleep(delay)
+    obj.test_var = True
+
+class TestWaitForSetVar(unittest.TestCase):
+    def test_no_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+    def test_negative_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, -1]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+    
+    def test_zero_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, 0]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+    def test_one_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, 1]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+    def test_three_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, 3]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+unittest.main()