There’s an equal chance we go up and go down. Maybe that’s why altcoins and shitcoins that are heavily manipulated are more popular because at least that only entails believing in the chart drawn by jockeys rather than the erratic behaviour of bitcoin
So if your friend stakes for a year, should you also get a bonus? Then if your friend refers other people too, should you get a bonus? See, there’s no end condition. Better not make it a recursive problem.