Same here about syncing problems, maybe another wallet version needed?
https://signatum.org/download/original-qt-wallet/This one works fine for me. Have tested on 4-s pcs.
I have created signatum.conf
addnode=104.154.193.236
addnode=104.154.76.142
addnode=104.154.94.55
addnode=104.154.95.6
addnode=104.197.145.21
addnode=104.197.159.83
addnode=104.197.80.61
addnode=104.198.232.113
addnode=104.199.11.56
addnode=104.211.186.5
addnode=114.23.150.140:33333
addnode=122.129.64.13
addnode=122.129.64.14
addnode=122.129.64.15
addnode=122.129.64.16
addnode=129.242.71.138:33333
addnode=130.211.127.202
addnode=136.243.50.159:33333
addnode=146.148.55.27
addnode=147.135.220.159:33333
addnode=162.222.176.74
addnode=195.122.243.226:33333
addnode=203.128.6.219
addnode=212.113.231.178:33333
addnode=31.193.131.89:33333
addnode=35.184.121.184
addnode=35.184.49.142
addnode=35.185.18.85
addnode=35.189.14.132
addnode=45.32.102.240
addnode=45.76.92.227
addnode=45.77.235.89:33333
addnode=45.77.51.253
addnode=45.77.51.253:33333
addnode=47.184.192.237:33333
addnode=52.172.209.58
addnode=52.174.102.46
addnode=52.187.13.149
addnode=54.175.225.242
addnode=80.6.164.72:33333
addnode=coinsmarkets.com:33333
addnode=node.611.to:33333
addnode=novaexchange.com:33333
addnode=sigt.suprnova.cc
and have disabled windows firewall.
The swap procedure has ended already?
U still have about 15 hours.