From Edward through Telegram. Its a promo hes running for some of his affliates.
Just tell support you want to participate in this program and any future bets will be counted to receive 10% of the 1% house edge.
i.e. bet 1 btc, earn 0.001 in rakeback.
I don't like whyce.
Well Edward said, "They essentially need to use your Stake affiliate account username as a code with our support team to activate it."
So i dont think that will work. I mean im not making these instructions up, but your choice to believe me or not.