If you can't sync, please follow this instruction
1. Copy billioncoin.conf (included in billioncoin-qt.zip) to folder '
%appdata%/billioncoin'
add these node to billioncoin.conf
addnode=112.113.245.114:22576
addnode=118.252.93.35:22576
addnode=162.243.41.224:22576
addnode=180.141.141.189:22576
addnode=134.249.14.144:22576
addnode=5.249.152.159:22576
2. Restart wallet, wait 5 to 30 mins.