They pay for beta test contribution!

https://flipboard.com/@nitrogensp0rts/become-a-beta-tester-of-nitrogensports-promotions-addon-and-earn-up-to-5-btc-f8iviglfz/become-a-beta-tester-of-nitrogensports-promotions-addon-and-earn-up-to-5-btc/a-zWKPV9YKRFuL04xsy99-pg%3Aa%3A3491155835-2b0f345f24%2Ftelegra.ph