walletbuilders Coin 

check screenshot

https://i.imgur.com/2MAnioQ.png

example link from source
https://github.com/radarcoinproject/radarcoin/blob/cae213c6fd9d94cec8b84dc8575fdac7a09426d8/src/.deps/libbitcoin_util_a-utiltime.Po#L140
https://github.com/radarcoinproject/radarcoin/blob/cae213c6fd9d94cec8b84dc8575fdac7a09426d8/src/qt/.deps/qt_libbitcoinqt_a-moc_governancepage.Po#L160
https://github.com/radarcoinproject/radarcoin/blob/cae213c6fd9d94cec8b84dc8575fdac7a09426d8/src/qt/.deps/qt_libbitcoinqt_a-moc_masternodelist.Po#L160