In road map I found that in the beginning of this year official main net launch and referral program are planned. Does they started already?
Official Main Net launch is soon to launch on this year 2021 but as of now you can check out the Alpha platform and be an alpha tester.
Bitfresh alpha can be accessed here: Bitfresh AlphaYou can now start earning Bitfresh Tokens by referring someone you know that would be interested on Bitfresh by joining the Ambassador Program.
Bitfresh Ambassador Program can be accessed here: Ambassador Program