Bean Cash (BITB) is the most profitable for staking Or its called Sprouting. With 100,000 bean (cost about $930 during this writing).
You get 1000 bean in about 1 week. That's like 1% interest per week or 4% a month or 48%+ a year (more interest since you will compound your bean everytime, the more bean you have, the more bean interest you get) . Check it out at www.bitbean.org or a calculator at www.sproutingcalculator.com.