It does not take much to do a little research
however 60 grin per minute, 86.400 per day, 31.536.000 per year, forever
here everything you want to know
https://github.com/mimblewimble/grinOh... this look like overvalued price right now. With 30 mln coins per year and 10 usd price - this is 300 mln marketcap per year... Seems better to wait a little and buy later