diff --git a/bin/basicswap_prepare.py b/bin/basicswap_prepare.py
index dfdf3fa..85df536 100755
--- a/bin/basicswap_prepare.py
+++ b/bin/basicswap_prepare.py
@@ -166,8 +166,8 @@ TOR_DNS_PORT = int(os.getenv('TOR_DNS_PORT', 5353))
 TEST_TOR_PROXY = toBool(os.getenv('TEST_TOR_PROXY', 'true'))  # Expects a known exit node
 TEST_ONION_LINK = toBool(os.getenv('TEST_ONION_LINK', 'false'))
 
-BITCOIN_FASTSYNC_URL = os.getenv('BITCOIN_FASTSYNC_URL', 'http://utxosets.blob.core.windows.net/public/')
-BITCOIN_FASTSYNC_FILE = os.getenv('BITCOIN_FASTSYNC_FILE', 'utxo-snapshot-bitcoin-mainnet-720179.tar')
+BITCOIN_FASTSYNC_URL = os.getenv('BITCOIN_FASTSYNC_URL', 'https://eu2.contabostorage.com/1f50a74c9dc14888a8664415dad3d020:utxosets/')
+BITCOIN_FASTSYNC_FILE = os.getenv('BITCOIN_FASTSYNC_FILE', 'utxo-snapshot-bitcoin-mainnet-769818.tar')
 
 # Encrypt new wallets with this password, must match the Particl wallet password when adding coins
 WALLET_ENCRYPTION_PWD = os.getenv('WALLET_ENCRYPTION_PWD', '')
@@ -872,7 +872,8 @@ def prepareDataDir(coin, settings, chain, particl_mnemonic, extra_opts={}):
             raise ValueError(f'BTC fastsync file not found: {sync_file_path}')
 
         # Double check
-        check_btc_fastsync_data(base_dir, sync_file_path)
+        if extra_opts.get('check_btc_fastsync', True):
+            check_btc_fastsync_data(base_dir, sync_file_path)
 
         with tarfile.open(sync_file_path) as ft:
             ft.extractall(path=data_dir)
@@ -1028,6 +1029,7 @@ def printHelp():
     print('--disabletor             Setup Basicswap instance to not use TOR.')
     print('--usebtcfastsync         Initialise the BTC chain with a snapshot from btcpayserver FastSync.\n'
           + '                         See https://github.com/btcpayserver/btcpayserver-docker/blob/master/contrib/FastSync/README.md')
+    print('--skipbtcfastsyncchecks  Use the provided btcfastsync file without checking it\'s size or signature .')
     print('--initwalletsonly        Setup coin wallets only.')
     print('--keysdirpath            Speed up tests by preloading all PGP keys in directory.')
 
@@ -1289,6 +1291,9 @@ def main():
         if name == 'usebtcfastsync':
             extra_opts['use_btc_fastsync'] = True
             continue
+        if name == 'skipbtcfastsyncchecks':
+            extra_opts['check_btc_fastsync'] = False
+            continue
         if name == 'initwalletsonly':
             initwalletsonly = True
             continue
@@ -1376,13 +1381,14 @@ def main():
         sync_file_path = os.path.join(data_dir, BITCOIN_FASTSYNC_FILE)
         sync_file_url = os.path.join(BITCOIN_FASTSYNC_URL, BITCOIN_FASTSYNC_FILE)
         try:
+            check_btc_fastsync = extra_opts.get('check_btc_fastsync', True)
             check_sig = False
-            remote_file = urlopen(sync_file_url)
             if not os.path.exists(sync_file_path):
                 downloadFile(sync_file_url, sync_file_path, timeout=50)
-                check_sig = True
-            else:
+                check_sig = check_btc_fastsync
+            elif check_btc_fastsync:
                 file_size = os.stat(sync_file_path).st_size
+                remote_file = urlopen(sync_file_url)
                 if file_size < remote_file.length:
                     logger.warning(f'{BITCOIN_FASTSYNC_FILE} is an unexpected size, {file_size} < {remote_file.length}')
                     downloadFile(sync_file_url, sync_file_path, timeout=50, resume_from=file_size)
diff --git a/doc/release-notes.md b/doc/release-notes.md
index 27a7ad8..d2acab5 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -9,6 +9,9 @@
 - Ensure messages are always sent from and to the expected addresses.
 - ui: Add pagination and filters to smsgaddresses page.
 - Removed dependency on particl-tx.
+- Updated btcfastsync urls and signatures, added --skipbtcfastsyncchecks option to basicswap-prepare
+  - If --skipbtcfastsyncchecks is set the script will use any file with a name matching the
+    BITCOIN_FASTSYNC_FILE env var in the datadir without checking it's size or signature.
 
 
 0.0.59
diff --git a/pgp/sigs/utxo-snapshot-bitcoin-mainnet-769818.tar.asc b/pgp/sigs/utxo-snapshot-bitcoin-mainnet-769818.tar.asc
new file mode 100644
index 0000000..13e1fa0
--- /dev/null
+++ b/pgp/sigs/utxo-snapshot-bitcoin-mainnet-769818.tar.asc
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+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+=DKWQ
+-----END PGP SIGNATURE-----