diff --git a/bin/start.sh b/bin/start.sh
index 20d78c70103a528c78c7b3897252fc2fd9727cd5..70a6daa4bd0e77adc0a59d51a37b056b3d7d04b9 100755
--- a/bin/start.sh
+++ b/bin/start.sh
@@ -15,15 +15,10 @@ enodeDGSI="59ae768ecdee632e0daceccb6f71b215392eba89230d626573f2fb4e9c0786c9a6610
 bootDGSIv4="enode://${enodeDGSI}@[200.108.146.100]:30301"
 bootnodes="${bootARIUv6},${bootARIUv4},${bootUNCv4},${bootDGSIv4}"
 
-# touch the "miner" file if you are authorized to mine
-# If you don't want to restart after touching the file,
-# you can use attach.sh and issue the command:
-#   miner.start()
-
 function getsyncmode
 {
     local syncmode=$( cat "${BFANODEDIR}/syncmode" 2>/dev/null || true )
-    syncmode=${syncmode:-fast}
+    syncmode=${syncmode:-full}
     echo "--syncmode ${syncmode}"
 }