coinflip between players or relatives 
sry i forgot to add this sentences (look below)
its requires lightning wallet
https://lnflip.com?refId=KmuEVmCGqbTxSTCnpnVPWDPioebtv5gPvXHZEeZd1vaNtKzy8xZVmCvTaJg7Cma6B5uNTyRViFFNmUnijHciX8XcMb
gl guys